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    • Martin - QD® Bushing (Heavy Duty — E through W)
  • Martin - QD® Bushing (Heavy Duty — E through W)
  • Martin - QD® Bushing (Heavy Duty — E through W)

    Martin - QD® Bushing (Heavy Duty — E through W)

    Martin

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    SKU:
    QD-HD-P-4-1/4

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    Product Description

    Martin - QD® Bushing (Heavy Duty — E through W)

    Martin Sprocket & Gear — 600 Configurations

    Overview
    Specifications
    Applications

    Martin bushings are precision-machined components that provide a secure, concentric connection between shafts and power transmission components like sheaves, sprockets, and couplings. The taper-lock or QD (Quick Detachable) design allows easy installation and removal without disturbing the position of the driven component on the shaft — a massive time saver during maintenance.

    Martin has been manufacturing bushings and power transmission components in the United States since 1928. Every bushing is machined from high-strength steel or cast iron, with bore tolerances held tight enough to ensure zero wobble at operating speed. The split-taper design creates a uniform clamping force around the shaft, eliminating the stress concentrations that cause setscrew-mounted components to slip or damage shafts.

    Available in 600 bore sizes (QD-HD-E-1, QD-HD-E-1-1/8, QD-HD-E-1-3/16, QD-HD-E-1-1/4, QD-HD-E-1-5/16 and 595 more) to match your shaft and component requirements.

    • Precision Machined — bore tolerances ensure zero wobble at operating speed
    • Split-Taper Design — uniform clamping force without shaft damage
    • Quick Detachable — easy installation and removal for fast maintenance
    • High-Strength Steel — rated for full-load power transmission applications
    • USA Heritage — Martin Sprocket & Gear, manufacturing since 1928
    Martin Sprocket & Gear Warranty — Martin products are warranted against defects in material and workmanship. Contact us for warranty claims and replacement.
    SKUTypeTorque (in-lb)ODBores Available
    QD® Bushing (Heavy Duty — E through W) (600)
    QD-HD-E-1E - 44,000 in-lb / 1" - 1.00in - 25.40mm———
    QD-HD-E-1-1/8E - 44,000 in-lb / 1-1/8" - 1.12in - 28.57mm———
    QD-HD-E-1-3/16E - 44,000 in-lb / 1-3/16" - 1.19in - 30.16mm———
    QD-HD-E-1-1/4E - 44,000 in-lb / 1-1/4" - 1.25in - 31.75mm———
    QD-HD-E-1-5/16E - 44,000 in-lb / 1-5/16" - 1.31in - 33.34mm———
    QD-HD-E-1-3/8E - 44,000 in-lb / 1-3/8" - 1.38in - 34.92mm———
    QD-HD-E-1-7/16E - 44,000 in-lb / 1-7/16" - 1.44in - 36.51mm———
    QD-HD-E-1-1/2E - 44,000 in-lb / 1-1/2" - 1.50in - 38.10mm———
    QD-HD-E-1-9/16E - 44,000 in-lb / 1-9/16" - 1.56in - 39.69mm———
    QD-HD-E-1-5/8E - 44,000 in-lb / 1-5/8" - 1.62in - 41.27mm———
    QD-HD-E-1-11/16E - 44,000 in-lb / 1-11/16" - 1.69in - 42.86mm———
    QD-HD-E-1-3/8-3/8E - 44,000 in-lb / 1-3/8-3/8"———
    QD-HD-E-1-3/4E - 44,000 in-lb / 1-3/4" - 1.75in - 44.45mm———
    QD-HD-E-1-13/16E - 44,000 in-lb / 1-13/16" - 1.81in - 46.04mm———
    QD-HD-E-1-7/8E - 44,000 in-lb / 1-7/8" - 1.88in - 47.62mm———
    QD-HD-E-48MME - 44,000 in-lb / 48mm - 1.89in———
    QD-HD-E-1-15/16E - 44,000 in-lb / 1-15/16" - 1.94in - 49.21mm———
    QD-HD-E-50MME - 44,000 in-lb / 50mm - 1.97in———
    QD-HD-E-2E - 44,000 in-lb / 2" - 2.00in - 50.80mm———
    QD-HD-E-2-1/16E - 44,000 in-lb / 2-1/16" - 2.06in - 52.39mm———
    QD-HD-E-2-1/8E - 44,000 in-lb / 2-1/8" - 2.12in - 53.97mm———
    QD-HD-E-55MME - 44,000 in-lb / 55mm - 2.17in———
    QD-HD-E-2-3/16E - 44,000 in-lb / 2-3/16" - 2.19in - 55.56mm———
    QD-HD-E-2-1/4E - 44,000 in-lb / 2-1/4" - 2.25in - 57.15mm———
    QD-HD-E-1-3/4-1/2E - 44,000 in-lb / 1-3/4-1/2"———
    QD-HD-E-2-5/16E - 44,000 in-lb / 2-5/16" - 2.31in - 58.74mm———
    QD-HD-E-60MME - 44,000 in-lb / 60mm - 2.36in———
    QD-HD-E-2-3/8E - 44,000 in-lb / 2-3/8" - 2.38in - 60.32mm———
    QD-HD-E-2-7/16E - 44,000 in-lb / 2-7/16" - 2.44in - 61.91mm———
    QD-HD-E-2-1/2E - 44,000 in-lb / 2-1/2" - 2.50in - 63.50mm———
    QD-HD-E-65MME - 44,000 in-lb / 65mm - 2.56in———
    QD-HD-NA1E - 44,000 in-lb / 2-9/16" - 2.56in - 65.09mm———
    QD-HD-E-2-5/8E - 44,000 in-lb / 2-5/8" - 2.62in - 66.67mm———
    QD-HD-E-2-11/16E - 44,000 in-lb / 2-11/16" - 2.69in - 68.26mm———
    QD-HD-E-2-3/4E - 44,000 in-lb / 2-3/4" - 2.75in - 69.85mm———
    QD-HD-E-70MME - 44,000 in-lb / 70mm - 2.76in———
    QD-HD-E-2-13/16E - 44,000 in-lb / 2-13/16" - 2.81in - 71.44mm———
    QD-HD-E-2-7/8E - 44,000 in-lb / 2-7/8" - 2.88in - 73.02mm———
    QD-HD-E-2-1/4-5/8E - 44,000 in-lb / 2-1/4-5/8"———
    QD-HD-E-2-15/16E - 44,000 in-lb / 2-15/16" - 2.94in - 74.61mm———
    QD-HD-E-75MME - 44,000 in-lb / 75mm - 2.95in———
    QD-HD-E-3E - 44,000 in-lb / 3" - 3.00in - 76.20mm———
    QD-HD-E-3-1/8E - 44,000 in-lb / 3-1/8" - 3.12in - 79.38mm———
    QD-HD-NA2E - 44,000 in-lb / 80mm - 3.15in———
    QD-HD-E-3-3/16E - 44,000 in-lb / 3-3/16" - 3.19in - 80.96mm———
    QD-HD-E-3-1/4E - 44,000 in-lb / 3-1/4" - 3.25in - 82.55mm———
    QD-HD-E-3-5/16E - 44,000 in-lb / 3-5/16" - 3.31in - 84.14mm———
    QD-HD-NA3E - 44,000 in-lb / 85mm - 3.35in———
    QD-HD-E-3-3/8E - 44,000 in-lb / 3-3/8" - 3.38in - 85.72mm———
    QD-HD-E-3-7/16E - 44,000 in-lb / 3-7/16" - 3.44in - 87.31mm———
    QD-HD-E-3-1/2E - 44,000 in-lb / 3-1/2" - 3.50in - 88.90mm———
    QD-HD-NA4E - 44,000 in-lb / 90mm - 3.54in———
    QD-HD-NA5E - 44,000 in-lb / 3-9/16" - 3.56in - 90.49mm———
    QD-HD-NA6E - 44,000 in-lb / 3-5/8" - 3.62in - 92.07mm———
    QD-HD-NA7E - 44,000 in-lb / 3-11/16" - 3.69in - 93.66mm———
    QD-HD-NA8E - 44,000 in-lb / 3-3/4" - 3.75in - 95.25mm———
    QD-HD-NA9E - 44,000 in-lb / 3-13/16" - 3.81in - 96.84mm———
    QD-HD-NA10E - 44,000 in-lb / 3-7/8" - 3.88in - 98.42mm———
    QD-HD-NA11E - 44,000 in-lb / 3-15/16" - 3.94in - 100.01mm———
    QD-HD-NA12E - 44,000 in-lb / 4" - 4.00in - 101.60mm———
    QD-HD-NA13E - 44,000 in-lb / 4-1/8" - 4.12in - 104.77mm———
    QD-HD-NA14E - 44,000 in-lb / 4-3/16" - 4.19in - 106.36mm———
    QD-HD-NA15E - 44,000 in-lb / 4-1/4" - 4.25in - 107.95mm———
    QD-HD-NA16E - 44,000 in-lb / 4-5/16" - 4.31in - 109.54mm———
    QD-HD-NA17E - 44,000 in-lb / 4-3/8" - 4.38in - 111.12mm———
    QD-HD-NA18E - 44,000 in-lb / 4-7/16" - 4.44in - 112.71mm———
    QD-HD-NA19E - 44,000 in-lb / 4-1/2" - 4.50in - 114.30mm———
    QD-HD-NA20E - 44,000 in-lb / 4-5/8" - 4.62in - 117.47mm———
    QD-HD-NA21E - 44,000 in-lb / 4-11/16" - 4.69in - 119.06mm———
    QD-HD-NA22E - 44,000 in-lb / 4-3/4" - 4.75in - 120.65mm———
    QD-HD-NA23E - 44,000 in-lb / 4-7/8" - 4.88in - 123.82mm———
    QD-HD-NA24E - 44,000 in-lb / 4-15/16" - 4.94in - 125.41mm———
    QD-HD-NA25E - 44,000 in-lb / 5" - 5.00in - 127.00mm———
    QD-HD-NA26E - 44,000 in-lb / 5-1/8" - 5.12in - 130.17mm———
    QD-HD-NA27E - 44,000 in-lb / 5-3/16" - 5.19in - 131.76mm———
    QD-HD-NA28E - 44,000 in-lb / 5-1/4" - 5.25in - 133.35mm———
    QD-HD-NA29E - 44,000 in-lb / 5-5/16" - 5.31in - 134.94mm———
    QD-HD-NA30E - 44,000 in-lb / 5-7/16" - 5.44in - 138.11mm———
    QD-HD-NA31E - 44,000 in-lb / 5-1/2" - 5.50in - 139.70mm———
    QD-HD-NA32E - 44,000 in-lb / 5-3/4" - 5.75in - 146.05mm———
    QD-HD-NA33E - 44,000 in-lb / 5-15/16" - 5.94in - 150.81mm———
    QD-HD-NA34E - 44,000 in-lb / 6" - 6.00in - 152.40mm———
    QD-HD-NA35E - 44,000 in-lb / 6-1/4" - 6.25in - 158.75mm———
    QD-HD-NA36E - 44,000 in-lb / 6-7/16" - 6.44in - 163.51mm———
    QD-HD-NA37E - 44,000 in-lb / 6-3/4" - 6.75in - 171.45mm———
    QD-HD-NA38E - 44,000 in-lb / 6-15/16" - 6.94in - 176.21mm———
    QD-HD-F-1F - 62,000 in-lb / 1" - 1.00in - 25.40mm———
    QD-HD-F-1-1/8F - 62,000 in-lb / 1-1/8" - 1.12in - 28.57mm———
    QD-HD-F-1-3/16F - 62,000 in-lb / 1-3/16" - 1.19in - 30.16mm———
    QD-HD-F-1-1/4F - 62,000 in-lb / 1-1/4" - 1.25in - 31.75mm———
    QD-HD-F-1-5/16F - 62,000 in-lb / 1-5/16" - 1.31in - 33.34mm———
    QD-HD-F-1-3/8F - 62,000 in-lb / 1-3/8" - 1.38in - 34.92mm———
    QD-HD-F-1-7/16F - 62,000 in-lb / 1-7/16" - 1.44in - 36.51mm———
    QD-HD-F-1-1/2F - 62,000 in-lb / 1-1/2" - 1.50in - 38.10mm———
    QD-HD-F-1-9/16F - 62,000 in-lb / 1-9/16" - 1.56in - 39.69mm———
    QD-HD-F-1-5/8F - 62,000 in-lb / 1-5/8" - 1.62in - 41.27mm———
    QD-HD-F-1-11/16F - 62,000 in-lb / 1-11/16" - 1.69in - 42.86mm———
    QD-HD-F-1-3/8-3/8F - 62,000 in-lb / 1-3/8-3/8"———
    QD-HD-F-1-3/4F - 62,000 in-lb / 1-3/4" - 1.75in - 44.45mm———
    QD-HD-F-1-13/16F - 62,000 in-lb / 1-13/16" - 1.81in - 46.04mm———
    QD-HD-F-1-7/8F - 62,000 in-lb / 1-7/8" - 1.88in - 47.62mm———
    QD-HD-F-48MMF - 62,000 in-lb / 48mm - 1.89in———
    QD-HD-F-1-15/16F - 62,000 in-lb / 1-15/16" - 1.94in - 49.21mm———
    QD-HD-F-50MMF - 62,000 in-lb / 50mm - 1.97in———
    QD-HD-F-2F - 62,000 in-lb / 2" - 2.00in - 50.80mm———
    QD-HD-F-2-1/16F - 62,000 in-lb / 2-1/16" - 2.06in - 52.39mm———
    QD-HD-F-2-1/8F - 62,000 in-lb / 2-1/8" - 2.12in - 53.97mm———
    QD-HD-F-55MMF - 62,000 in-lb / 55mm - 2.17in———
    QD-HD-F-2-3/16F - 62,000 in-lb / 2-3/16" - 2.19in - 55.56mm———
    QD-HD-F-2-1/4F - 62,000 in-lb / 2-1/4" - 2.25in - 57.15mm———
    QD-HD-F-1-3/4-1/2F - 62,000 in-lb / 1-3/4-1/2"———
    QD-HD-F-2-5/16F - 62,000 in-lb / 2-5/16" - 2.31in - 58.74mm———
    QD-HD-F-60MMF - 62,000 in-lb / 60mm - 2.36in———
    QD-HD-F-2-3/8F - 62,000 in-lb / 2-3/8" - 2.38in - 60.32mm———
    QD-HD-F-2-7/16F - 62,000 in-lb / 2-7/16" - 2.44in - 61.91mm———
    QD-HD-F-2-1/2F - 62,000 in-lb / 2-1/2" - 2.50in - 63.50mm———
    QD-HD-F-65MMF - 62,000 in-lb / 65mm - 2.56in———
    QD-HD-F-2-9/16F - 62,000 in-lb / 2-9/16" - 2.56in - 65.09mm———
    QD-HD-F-2-5/8F - 62,000 in-lb / 2-5/8" - 2.62in - 66.67mm———
    QD-HD-F-2-11/16F - 62,000 in-lb / 2-11/16" - 2.69in - 68.26mm———
    QD-HD-F-2-3/4F - 62,000 in-lb / 2-3/4" - 2.75in - 69.85mm———
    QD-HD-F-70MMF - 62,000 in-lb / 70mm - 2.76in———
    QD-HD-F-2-13/16F - 62,000 in-lb / 2-13/16" - 2.81in - 71.44mm———
    QD-HD-F-2-7/8F - 62,000 in-lb / 2-7/8" - 2.88in - 73.02mm———
    QD-HD-F-2-1/4-5/8F - 62,000 in-lb / 2-1/4-5/8"———
    QD-HD-F-2-15/16F - 62,000 in-lb / 2-15/16" - 2.94in - 74.61mm———
    QD-HD-F-75MMF - 62,000 in-lb / 75mm - 2.95in———
    QD-HD-F-3F - 62,000 in-lb / 3" - 3.00in - 76.20mm———
    QD-HD-F-3-1/8F - 62,000 in-lb / 3-1/8" - 3.12in - 79.38mm———
    QD-HD-F-80MMF - 62,000 in-lb / 80mm - 3.15in———
    QD-HD-F-3-3/16F - 62,000 in-lb / 3-3/16" - 3.19in - 80.96mm———
    QD-HD-F-3-1/4F - 62,000 in-lb / 3-1/4" - 3.25in - 82.55mm———
    QD-HD-F-3-5/16F - 62,000 in-lb / 3-5/16" - 3.31in - 84.14mm———
    QD-HD-F-85MMF - 62,000 in-lb / 85mm - 3.35in———
    QD-HD-F-3-3/8F - 62,000 in-lb / 3-3/8" - 3.38in - 85.72mm———
    QD-HD-F-3-7/16F - 62,000 in-lb / 3-7/16" - 3.44in - 87.31mm———
    QD-HD-F-3-1/2F - 62,000 in-lb / 3-1/2" - 3.50in - 88.90mm———
    QD-HD-F-90MMF - 62,000 in-lb / 90mm - 3.54in———
    QD-HD-F-3-9/16F - 62,000 in-lb / 3-9/16" - 3.56in - 90.49mm———
    QD-HD-F-3-5/8F - 62,000 in-lb / 3-5/8" - 3.62in - 92.07mm———
    QD-HD-F-3-11/16F - 62,000 in-lb / 3-11/16" - 3.69in - 93.66mm———
    QD-HD-F-3-3/4F - 62,000 in-lb / 3-3/4" - 3.75in - 95.25mm———
    QD-HD-F-3-13/16F - 62,000 in-lb / 3-13/16" - 3.81in - 96.84mm———
    QD-HD-F-3-7/8F - 62,000 in-lb / 3-7/8" - 3.88in - 98.42mm———
    QD-HD-F-3-15/16F - 62,000 in-lb / 3-15/16" - 3.94in - 100.01mm———
    QD-HD-F-4F - 62,000 in-lb / 4" - 4.00in - 101.60mm———
    QD-HD-NA39F - 62,000 in-lb / 4-1/8" - 4.12in - 104.77mm———
    QD-HD-NA40F - 62,000 in-lb / 4-3/16" - 4.19in - 106.36mm———
    QD-HD-NA41F - 62,000 in-lb / 4-1/4" - 4.25in - 107.95mm———
    QD-HD-NA42F - 62,000 in-lb / 4-5/16" - 4.31in - 109.54mm———
    QD-HD-NA43F - 62,000 in-lb / 4-3/8" - 4.38in - 111.12mm———
    QD-HD-NA44F - 62,000 in-lb / 4-7/16" - 4.44in - 112.71mm———
    QD-HD-NA45F - 62,000 in-lb / 4-1/2" - 4.50in - 114.30mm———
    QD-HD-NA46F - 62,000 in-lb / 4-5/8" - 4.62in - 117.47mm———
    QD-HD-NA47F - 62,000 in-lb / 4-11/16" - 4.69in - 119.06mm———
    QD-HD-NA48F - 62,000 in-lb / 4-3/4" - 4.75in - 120.65mm———
    QD-HD-NA49F - 62,000 in-lb / 4-7/8" - 4.88in - 123.82mm———
    QD-HD-NA50F - 62,000 in-lb / 4-15/16" - 4.94in - 125.41mm———
    QD-HD-NA51F - 62,000 in-lb / 5" - 5.00in - 127.00mm———
    QD-HD-NA52F - 62,000 in-lb / 5-1/8" - 5.12in - 130.17mm———
    QD-HD-NA53F - 62,000 in-lb / 5-3/16" - 5.19in - 131.76mm———
    QD-HD-NA54F - 62,000 in-lb / 5-1/4" - 5.25in - 133.35mm———
    QD-HD-NA55F - 62,000 in-lb / 5-5/16" - 5.31in - 134.94mm———
    QD-HD-NA56F - 62,000 in-lb / 5-7/16" - 5.44in - 138.11mm———
    QD-HD-NA57F - 62,000 in-lb / 5-1/2" - 5.50in - 139.70mm———
    QD-HD-NA58F - 62,000 in-lb / 5-3/4" - 5.75in - 146.05mm———
    QD-HD-NA59F - 62,000 in-lb / 5-15/16" - 5.94in - 150.81mm———
    QD-HD-NA60F - 62,000 in-lb / 6" - 6.00in - 152.40mm———
    QD-HD-NA61F - 62,000 in-lb / 6-1/4" - 6.25in - 158.75mm———
    QD-HD-NA62F - 62,000 in-lb / 6-7/16" - 6.44in - 163.51mm———
    QD-HD-NA63F - 62,000 in-lb / 6-3/4" - 6.75in - 171.45mm———
    QD-HD-NA64F - 62,000 in-lb / 6-15/16" - 6.94in - 176.21mm———
    QD-HD-NA65J - 105,000 in-lb / 1" - 1.00in - 25.40mm———
    QD-HD-NA66J - 105,000 in-lb / 1-1/8" - 1.12in - 28.57mm———
    QD-HD-NA67J - 105,000 in-lb / 1-3/16" - 1.19in - 30.16mm———
    QD-HD-J-1-1/4J - 105,000 in-lb / 1-1/4" - 1.25in - 31.75mm———
    QD-HD-NA68J - 105,000 in-lb / 1-5/16" - 1.31in - 33.34mm———
    QD-HD-J-1-3/8J - 105,000 in-lb / 1-3/8" - 1.38in - 34.92mm———
    QD-HD-J-1-7/16J - 105,000 in-lb / 1-7/16" - 1.44in - 36.51mm———
    QD-HD-J-1-1/2J - 105,000 in-lb / 1-1/2" - 1.50in - 38.10mm———
    QD-HD-J-1-9/16J - 105,000 in-lb / 1-9/16" - 1.56in - 39.69mm———
    QD-HD-J-1-5/8J - 105,000 in-lb / 1-5/8" - 1.62in - 41.27mm———
    QD-HD-J-1-11/16J - 105,000 in-lb / 1-11/16" - 1.69in - 42.86mm———
    QD-HD-NA69J - 105,000 in-lb / 1-3/8-3/8"———
    QD-HD-J-1-3/4J - 105,000 in-lb / 1-3/4" - 1.75in - 44.45mm———
    QD-HD-J-1-13/16J - 105,000 in-lb / 1-13/16" - 1.81in - 46.04mm———
    QD-HD-J-1-7/8J - 105,000 in-lb / 1-7/8" - 1.88in - 47.62mm———
    QD-HD-NA70J - 105,000 in-lb / 48mm - 1.89in———
    QD-HD-J-1-15/16J - 105,000 in-lb / 1-15/16" - 1.94in - 49.21mm———
    QD-HD-J-50MMJ - 105,000 in-lb / 50mm - 1.97in———
    QD-HD-J-2J - 105,000 in-lb / 2" - 2.00in - 50.80mm———
    QD-HD-J-2-1/16J - 105,000 in-lb / 2-1/16" - 2.06in - 52.39mm———
    QD-HD-J-2-1/8J - 105,000 in-lb / 2-1/8" - 2.12in - 53.97mm———
    QD-HD-J-55MMJ - 105,000 in-lb / 55mm - 2.17in———
    QD-HD-J-2-3/16J - 105,000 in-lb / 2-3/16" - 2.19in - 55.56mm———
    QD-HD-J-2-1/4J - 105,000 in-lb / 2-1/4" - 2.25in - 57.15mm———
    QD-HD-J-1-3/4-1/2J - 105,000 in-lb / 1-3/4-1/2"———
    QD-HD-J-2-5/16J - 105,000 in-lb / 2-5/16" - 2.31in - 58.74mm———
    QD-HD-J-60MMJ - 105,000 in-lb / 60mm - 2.36in———
    QD-HD-J-2-3/8J - 105,000 in-lb / 2-3/8" - 2.38in - 60.32mm———
    QD-HD-J-2-7/16J - 105,000 in-lb / 2-7/16" - 2.44in - 61.91mm———
    QD-HD-J-2-1/2J - 105,000 in-lb / 2-1/2" - 2.50in - 63.50mm———
    QD-HD-J-65MMJ - 105,000 in-lb / 65mm - 2.56in———
    QD-HD-J-2-9/16J - 105,000 in-lb / 2-9/16" - 2.56in - 65.09mm———
    QD-HD-J-2-5/8J - 105,000 in-lb / 2-5/8" - 2.62in - 66.67mm———
    QD-HD-J-2-11/16J - 105,000 in-lb / 2-11/16" - 2.69in - 68.26mm———
    QD-HD-J-2-3/4J - 105,000 in-lb / 2-3/4" - 2.75in - 69.85mm———
    QD-HD-J-70MMJ - 105,000 in-lb / 70mm - 2.76in———
    QD-HD-J-2-13/16J - 105,000 in-lb / 2-13/16" - 2.81in - 71.44mm———
    QD-HD-J-2-7/8J - 105,000 in-lb / 2-7/8" - 2.88in - 73.02mm———
    QD-HD-J-2-1/4-5/8J - 105,000 in-lb / 2-1/4-5/8"———
    QD-HD-J-2-15/16J - 105,000 in-lb / 2-15/16" - 2.94in - 74.61mm———
    QD-HD-J-75MMJ - 105,000 in-lb / 75mm - 2.95in———
    QD-HD-J-3J - 105,000 in-lb / 3" - 3.00in - 76.20mm———
    QD-HD-J-3-1/8J - 105,000 in-lb / 3-1/8" - 3.12in - 79.38mm———
    QD-HD-J-80MMJ - 105,000 in-lb / 80mm - 3.15in———
    QD-HD-J-3-3/16J - 105,000 in-lb / 3-3/16" - 3.19in - 80.96mm———
    QD-HD-J-3-1/4J - 105,000 in-lb / 3-1/4" - 3.25in - 82.55mm———
    QD-HD-J-3-5/16J - 105,000 in-lb / 3-5/16" - 3.31in - 84.14mm———
    QD-HD-J-85MMJ - 105,000 in-lb / 85mm - 3.35in———
    QD-HD-J-3-3/8J - 105,000 in-lb / 3-3/8" - 3.38in - 85.72mm———
    QD-HD-J-3-7/16J - 105,000 in-lb / 3-7/16" - 3.44in - 87.31mm———
    QD-HD-J-3-1/2J - 105,000 in-lb / 3-1/2" - 3.50in - 88.90mm———
    QD-HD-J-90MMJ - 105,000 in-lb / 90mm - 3.54in———
    QD-HD-J-3-9/16J - 105,000 in-lb / 3-9/16" - 3.56in - 90.49mm———
    QD-HD-J-3-5/8J - 105,000 in-lb / 3-5/8" - 3.62in - 92.07mm———
    QD-HD-J-3-11/16J - 105,000 in-lb / 3-11/16" - 3.69in - 93.66mm———
    QD-HD-J-3-3/4J - 105,000 in-lb / 3-3/4" - 3.75in - 95.25mm———
    QD-HD-J-3-13/16J - 105,000 in-lb / 3-13/16" - 3.81in - 96.84mm———
    QD-HD-J-3-7/8J - 105,000 in-lb / 3-7/8" - 3.88in - 98.42mm———
    QD-HD-J-3-15/16J - 105,000 in-lb / 3-15/16" - 3.94in - 100.01mm———
    QD-HD-J-4J - 105,000 in-lb / 4" - 4.00in - 101.60mm———
    QD-HD-J-4-1/8J - 105,000 in-lb / 4-1/8" - 4.12in - 104.77mm———
    QD-HD-J-4-3/16J - 105,000 in-lb / 4-3/16" - 4.19in - 106.36mm———
    QD-HD-J-4-1/4J - 105,000 in-lb / 4-1/4" - 4.25in - 107.95mm———
    QD-HD-J-4-5/16J - 105,000 in-lb / 4-5/16" - 4.31in - 109.54mm———
    QD-HD-J-4-3/8J - 105,000 in-lb / 4-3/8" - 4.38in - 111.12mm———
    QD-HD-J-4-7/16J - 105,000 in-lb / 4-7/16" - 4.44in - 112.71mm———
    QD-HD-J-4-1/2J - 105,000 in-lb / 4-1/2" - 4.50in - 114.30mm———
    QD-HD-NA71J - 105,000 in-lb / 4-5/8" - 4.62in - 117.47mm———
    QD-HD-NA72J - 105,000 in-lb / 4-11/16" - 4.69in - 119.06mm———
    QD-HD-NA73J - 105,000 in-lb / 4-3/4" - 4.75in - 120.65mm———
    QD-HD-NA74J - 105,000 in-lb / 4-7/8" - 4.88in - 123.82mm———
    QD-HD-NA75J - 105,000 in-lb / 4-15/16" - 4.94in - 125.41mm———
    QD-HD-NA76J - 105,000 in-lb / 5" - 5.00in - 127.00mm———
    QD-HD-NA77J - 105,000 in-lb / 5-1/8" - 5.12in - 130.17mm———
    QD-HD-NA78J - 105,000 in-lb / 5-3/16" - 5.19in - 131.76mm———
    QD-HD-NA79J - 105,000 in-lb / 5-1/4" - 5.25in - 133.35mm———
    QD-HD-NA80J - 105,000 in-lb / 5-5/16" - 5.31in - 134.94mm———
    QD-HD-NA81J - 105,000 in-lb / 5-7/16" - 5.44in - 138.11mm———
    QD-HD-NA82J - 105,000 in-lb / 5-1/2" - 5.50in - 139.70mm———
    QD-HD-NA83J - 105,000 in-lb / 5-3/4" - 5.75in - 146.05mm———
    QD-HD-NA84J - 105,000 in-lb / 5-15/16" - 5.94in - 150.81mm———
    QD-HD-NA85J - 105,000 in-lb / 6" - 6.00in - 152.40mm———
    QD-HD-NA86J - 105,000 in-lb / 6-1/4" - 6.25in - 158.75mm———
    QD-HD-NA87J - 105,000 in-lb / 6-7/16" - 6.44in - 163.51mm———
    QD-HD-NA88J - 105,000 in-lb / 6-3/4" - 6.75in - 171.45mm———
    QD-HD-NA89J - 105,000 in-lb / 6-15/16" - 6.94in - 176.21mm———
    QD-HD-NA90M - 170,000 in-lb / 1" - 1.00in - 25.40mm———
    QD-HD-NA91M - 170,000 in-lb / 1-1/8" - 1.12in - 28.57mm———
    QD-HD-NA92M - 170,000 in-lb / 1-3/16" - 1.19in - 30.16mm———
    QD-HD-NA93M - 170,000 in-lb / 1-1/4" - 1.25in - 31.75mm———
    QD-HD-NA94M - 170,000 in-lb / 1-5/16" - 1.31in - 33.34mm———
    QD-HD-NA95M - 170,000 in-lb / 1-3/8" - 1.38in - 34.92mm———
    QD-HD-NA96M - 170,000 in-lb / 1-7/16" - 1.44in - 36.51mm———
    QD-HD-NA97M - 170,000 in-lb / 1-1/2" - 1.50in - 38.10mm———
    QD-HD-NA98M - 170,000 in-lb / 1-9/16" - 1.56in - 39.69mm———
    QD-HD-NA99M - 170,000 in-lb / 1-5/8" - 1.62in - 41.27mm———
    QD-HD-NA100M - 170,000 in-lb / 1-11/16" - 1.69in - 42.86mm———
    QD-HD-NA101M - 170,000 in-lb / 1-3/8-3/8"———
    QD-HD-NA102M - 170,000 in-lb / 1-3/4" - 1.75in - 44.45mm———
    QD-HD-NA103M - 170,000 in-lb / 1-13/16" - 1.81in - 46.04mm———
    QD-HD-NA104M - 170,000 in-lb / 1-7/8" - 1.88in - 47.62mm———
    QD-HD-NA105M - 170,000 in-lb / 48mm - 1.89in———
    QD-HD-NA106M - 170,000 in-lb / 1-15/16" - 1.94in - 49.21mm———
    QD-HD-NA107M - 170,000 in-lb / 50mm - 1.97in———
    QD-HD-M-2M - 170,000 in-lb / 2" - 2.00in - 50.80mm———
    QD-HD-NA108M - 170,000 in-lb / 2-1/16" - 2.06in - 52.39mm———
    QD-HD-M-2-1/8M - 170,000 in-lb / 2-1/8" - 2.12in - 53.97mm———
    QD-HD-NA109M - 170,000 in-lb / 55mm - 2.17in———
    QD-HD-M-2-3/16M - 170,000 in-lb / 2-3/16" - 2.19in - 55.56mm———
    QD-HD-M-2-1/4M - 170,000 in-lb / 2-1/4" - 2.25in - 57.15mm———
    QD-HD-NA110M - 170,000 in-lb / 1-3/4-1/2"———
    QD-HD-M-2-5/16M - 170,000 in-lb / 2-5/16" - 2.31in - 58.74mm———
    QD-HD-NA111M - 170,000 in-lb / 60mm - 2.36in———
    QD-HD-M-2-3/8M - 170,000 in-lb / 2-3/8" - 2.38in - 60.32mm———
    QD-HD-M-2-7/16M - 170,000 in-lb / 2-7/16" - 2.44in - 61.91mm———
    QD-HD-M-2-1/2M - 170,000 in-lb / 2-1/2" - 2.50in - 63.50mm———
    QD-HD-NA112M - 170,000 in-lb / 65mm - 2.56in———
    QD-HD-M-2-9/16M - 170,000 in-lb / 2-9/16" - 2.56in - 65.09mm———
    QD-HD-M-2-5/8M - 170,000 in-lb / 2-5/8" - 2.62in - 66.67mm———
    QD-HD-M-2-11/16M - 170,000 in-lb / 2-11/16" - 2.69in - 68.26mm———
    QD-HD-M-2-3/4M - 170,000 in-lb / 2-3/4" - 2.75in - 69.85mm———
    QD-HD-NA113M - 170,000 in-lb / 70mm - 2.76in———
    QD-HD-M-2-13/16M - 170,000 in-lb / 2-13/16" - 2.81in - 71.44mm———
    QD-HD-M-2-7/8M - 170,000 in-lb / 2-7/8" - 2.88in - 73.02mm———
    QD-HD-NA114M - 170,000 in-lb / 2-1/4-5/8"———
    QD-HD-M-2-15/16M - 170,000 in-lb / 2-15/16" - 2.94in - 74.61mm———
    QD-HD-NA115M - 170,000 in-lb / 75mm - 2.95in———
    QD-HD-M-3M - 170,000 in-lb / 3" - 3.00in - 76.20mm———
    QD-HD-M-3-1/8M - 170,000 in-lb / 3-1/8" - 3.12in - 79.38mm———
    QD-HD-NA116M - 170,000 in-lb / 80mm - 3.15in———
    QD-HD-M-3-3/16M - 170,000 in-lb / 3-3/16" - 3.19in - 80.96mm———
    QD-HD-M-3-1/4M - 170,000 in-lb / 3-1/4" - 3.25in - 82.55mm———
    QD-HD-M-3-5/16M - 170,000 in-lb / 3-5/16" - 3.31in - 84.14mm———
    QD-HD-NA117M - 170,000 in-lb / 85mm - 3.35in———
    QD-HD-M-3-3/8M - 170,000 in-lb / 3-3/8" - 3.38in - 85.72mm———
    QD-HD-M-3-7/16M - 170,000 in-lb / 3-7/16" - 3.44in - 87.31mm———
    QD-HD-M-3-1/2M - 170,000 in-lb / 3-1/2" - 3.50in - 88.90mm———
    QD-HD-NA118M - 170,000 in-lb / 90mm - 3.54in———
    QD-HD-M-3-9/16M - 170,000 in-lb / 3-9/16" - 3.56in - 90.49mm———
    QD-HD-M-3-5/8M - 170,000 in-lb / 3-5/8" - 3.62in - 92.07mm———
    QD-HD-M-3-11/16M - 170,000 in-lb / 3-11/16" - 3.69in - 93.66mm———
    QD-HD-M-3-3/4M - 170,000 in-lb / 3-3/4" - 3.75in - 95.25mm———
    QD-HD-M-3-13/16M - 170,000 in-lb / 3-13/16" - 3.81in - 96.84mm———
    QD-HD-M-3-7/8M - 170,000 in-lb / 3-7/8" - 3.88in - 98.42mm———
    QD-HD-M-3-15/16M - 170,000 in-lb / 3-15/16" - 3.94in - 100.01mm———
    QD-HD-M-4M - 170,000 in-lb / 4" - 4.00in - 101.60mm———
    QD-HD-M-4-1/8M - 170,000 in-lb / 4-1/8" - 4.12in - 104.77mm———
    QD-HD-M-4-3/16M - 170,000 in-lb / 4-3/16" - 4.19in - 106.36mm———
    QD-HD-M-4-1/4M - 170,000 in-lb / 4-1/4" - 4.25in - 107.95mm———
    QD-HD-M-4-5/16M - 170,000 in-lb / 4-5/16" - 4.31in - 109.54mm———
    QD-HD-M-4-3/8M - 170,000 in-lb / 4-3/8" - 4.38in - 111.12mm———
    QD-HD-M-4-7/16M - 170,000 in-lb / 4-7/16" - 4.44in - 112.71mm———
    QD-HD-M-4-1/2M - 170,000 in-lb / 4-1/2" - 4.50in - 114.30mm———
    QD-HD-M-4-5/8M - 170,000 in-lb / 4-5/8" - 4.62in - 117.47mm———
    QD-HD-M-4-11/16M - 170,000 in-lb / 4-11/16" - 4.69in - 119.06mm———
    QD-HD-M-4-3/4M - 170,000 in-lb / 4-3/4" - 4.75in - 120.65mm———
    QD-HD-M-4-7/8M - 170,000 in-lb / 4-7/8" - 4.88in - 123.82mm———
    QD-HD-M-4-15/16M - 170,000 in-lb / 4-15/16" - 4.94in - 125.41mm———
    QD-HD-M-5M - 170,000 in-lb / 5" - 5.00in - 127.00mm———
    QD-HD-M-5-1/8M - 170,000 in-lb / 5-1/8" - 5.12in - 130.17mm———
    QD-HD-M-5-3/16M - 170,000 in-lb / 5-3/16" - 5.19in - 131.76mm———
    QD-HD-M-5-1/4M - 170,000 in-lb / 5-1/4" - 5.25in - 133.35mm———
    QD-HD-M-5-5/16M - 170,000 in-lb / 5-5/16" - 5.31in - 134.94mm———
    QD-HD-M-5-7/16M - 170,000 in-lb / 5-7/16" - 5.44in - 138.11mm———
    QD-HD-M-5-1/2M - 170,000 in-lb / 5-1/2" - 5.50in - 139.70mm———
    QD-HD-NA119M - 170,000 in-lb / 5-3/4" - 5.75in - 146.05mm———
    QD-HD-NA120M - 170,000 in-lb / 5-15/16" - 5.94in - 150.81mm———
    QD-HD-NA121M - 170,000 in-lb / 6" - 6.00in - 152.40mm———
    QD-HD-NA122M - 170,000 in-lb / 6-1/4" - 6.25in - 158.75mm———
    QD-HD-NA123M - 170,000 in-lb / 6-7/16" - 6.44in - 163.51mm———
    QD-HD-NA124M - 170,000 in-lb / 6-3/4" - 6.75in - 171.45mm———
    QD-HD-NA125M - 170,000 in-lb / 6-15/16" - 6.94in - 176.21mm———
    QD-HD-NA126N - 230,000 in-lb / 1" - 1.00in - 25.40mm———
    QD-HD-NA127N - 230,000 in-lb / 1-1/8" - 1.12in - 28.57mm———
    QD-HD-NA128N - 230,000 in-lb / 1-3/16" - 1.19in - 30.16mm———
    QD-HD-NA129N - 230,000 in-lb / 1-1/4" - 1.25in - 31.75mm———
    QD-HD-NA130N - 230,000 in-lb / 1-5/16" - 1.31in - 33.34mm———
    QD-HD-NA131N - 230,000 in-lb / 1-3/8" - 1.38in - 34.92mm———
    QD-HD-NA132N - 230,000 in-lb / 1-7/16" - 1.44in - 36.51mm———
    QD-HD-NA133N - 230,000 in-lb / 1-1/2" - 1.50in - 38.10mm———
    QD-HD-NA134N - 230,000 in-lb / 1-9/16" - 1.56in - 39.69mm———
    QD-HD-NA135N - 230,000 in-lb / 1-5/8" - 1.62in - 41.27mm———
    QD-HD-NA136N - 230,000 in-lb / 1-11/16" - 1.69in - 42.86mm———
    QD-HD-NA137N - 230,000 in-lb / 1-3/8-3/8"———
    QD-HD-NA138N - 230,000 in-lb / 1-3/4" - 1.75in - 44.45mm———
    QD-HD-NA139N - 230,000 in-lb / 1-13/16" - 1.81in - 46.04mm———
    QD-HD-NA140N - 230,000 in-lb / 1-7/8" - 1.88in - 47.62mm———
    QD-HD-NA141N - 230,000 in-lb / 48mm - 1.89in———
    QD-HD-NA142N - 230,000 in-lb / 1-15/16" - 1.94in - 49.21mm———
    QD-HD-NA143N - 230,000 in-lb / 50mm - 1.97in———
    QD-HD-NA144N - 230,000 in-lb / 2" - 2.00in - 50.80mm———
    QD-HD-NA145N - 230,000 in-lb / 2-1/16" - 2.06in - 52.39mm———
    QD-HD-NA146N - 230,000 in-lb / 2-1/8" - 2.12in - 53.97mm———
    QD-HD-NA147N - 230,000 in-lb / 55mm - 2.17in———
    QD-HD-NA148N - 230,000 in-lb / 2-3/16" - 2.19in - 55.56mm———
    QD-HD-NA149N - 230,000 in-lb / 2-1/4" - 2.25in - 57.15mm———
    QD-HD-NA150N - 230,000 in-lb / 1-3/4-1/2"———
    QD-HD-NA151N - 230,000 in-lb / 2-5/16" - 2.31in - 58.74mm———
    QD-HD-NA152N - 230,000 in-lb / 60mm - 2.36in———
    QD-HD-NA153N - 230,000 in-lb / 2-3/8" - 2.38in - 60.32mm———
    QD-HD-N-2-7/16N - 230,000 in-lb / 2-7/16" - 2.44in - 61.91mm———
    QD-HD-NA154N - 230,000 in-lb / 2-1/2" - 2.50in - 63.50mm———
    QD-HD-NA155N - 230,000 in-lb / 65mm - 2.56in———
    QD-HD-NA156N - 230,000 in-lb / 2-9/16" - 2.56in - 65.09mm———
    QD-HD-NA157N - 230,000 in-lb / 2-5/8" - 2.62in - 66.67mm———
    QD-HD-NA158N - 230,000 in-lb / 2-11/16" - 2.69in - 68.26mm———
    QD-HD-NA159N - 230,000 in-lb / 2-3/4" - 2.75in - 69.85mm———
    QD-HD-NA160N - 230,000 in-lb / 70mm - 2.76in———
    QD-HD-NA161N - 230,000 in-lb / 2-13/16" - 2.81in - 71.44mm———
    QD-HD-N-2-7/8N - 230,000 in-lb / 2-7/8" - 2.88in - 73.02mm———
    QD-HD-NA162N - 230,000 in-lb / 2-1/4-5/8"———
    QD-HD-N-2-15/16N - 230,000 in-lb / 2-15/16" - 2.94in - 74.61mm———
    QD-HD-NA163N - 230,000 in-lb / 75mm - 2.95in———
    QD-HD-N-3N - 230,000 in-lb / 3" - 3.00in - 76.20mm———
    QD-HD-NA164N - 230,000 in-lb / 3-1/8" - 3.12in - 79.38mm———
    QD-HD-NA165N - 230,000 in-lb / 80mm - 3.15in———
    QD-HD-N-3-3/16N - 230,000 in-lb / 3-3/16" - 3.19in - 80.96mm———
    QD-HD-N-3-1/4N - 230,000 in-lb / 3-1/4" - 3.25in - 82.55mm———
    QD-HD-NA166N - 230,000 in-lb / 3-5/16" - 3.31in - 84.14mm———
    QD-HD-NA167N - 230,000 in-lb / 85mm - 3.35in———
    QD-HD-NA168N - 230,000 in-lb / 3-3/8" - 3.38in - 85.72mm———
    QD-HD-N-3-7/16N - 230,000 in-lb / 3-7/16" - 3.44in - 87.31mm———
    QD-HD-N-3-1/2N - 230,000 in-lb / 3-1/2" - 3.50in - 88.90mm———
    QD-HD-NA169N - 230,000 in-lb / 90mm - 3.54in———
    QD-HD-NA170N - 230,000 in-lb / 3-9/16" - 3.56in - 90.49mm———
    QD-HD-N-3-5/8N - 230,000 in-lb / 3-5/8" - 3.62in - 92.07mm———
    QD-HD-NA171N - 230,000 in-lb / 3-11/16" - 3.69in - 93.66mm———
    QD-HD-N-3-3/4N - 230,000 in-lb / 3-3/4" - 3.75in - 95.25mm———
    QD-HD-NA172N - 230,000 in-lb / 3-13/16" - 3.81in - 96.84mm———
    QD-HD-N-3-7/8N - 230,000 in-lb / 3-7/8" - 3.88in - 98.42mm———
    QD-HD-N-3-15/16N - 230,000 in-lb / 3-15/16" - 3.94in - 100.01mm———
    QD-HD-N-4N - 230,000 in-lb / 4" - 4.00in - 101.60mm———
    QD-HD-N-4-1/8N - 230,000 in-lb / 4-1/8" - 4.12in - 104.77mm———
    QD-HD-N-4-3/16N - 230,000 in-lb / 4-3/16" - 4.19in - 106.36mm———
    QD-HD-N-4-1/4N - 230,000 in-lb / 4-1/4" - 4.25in - 107.95mm———
    QD-HD-NA173N - 230,000 in-lb / 4-5/16" - 4.31in - 109.54mm———
    QD-HD-N-4-3/8N - 230,000 in-lb / 4-3/8" - 4.38in - 111.12mm———
    QD-HD-N-4-7/16N - 230,000 in-lb / 4-7/16" - 4.44in - 112.71mm———
    QD-HD-N-4-1/2N - 230,000 in-lb / 4-1/2" - 4.50in - 114.30mm———
    QD-HD-N-4-5/8N - 230,000 in-lb / 4-5/8" - 4.62in - 117.47mm———
    QD-HD-N-4-11/16N - 230,000 in-lb / 4-11/16" - 4.69in - 119.06mm———
    QD-HD-N-4-3/4N - 230,000 in-lb / 4-3/4" - 4.75in - 120.65mm———
    QD-HD-N-4-7/8N - 230,000 in-lb / 4-7/8" - 4.88in - 123.82mm———
    QD-HD-N-4-15/16N - 230,000 in-lb / 4-15/16" - 4.94in - 125.41mm———
    QD-HD-N-5N - 230,000 in-lb / 5" - 5.00in - 127.00mm———
    QD-HD-NA174N - 230,000 in-lb / 5-1/8" - 5.12in - 130.17mm———
    QD-HD-NA175N - 230,000 in-lb / 5-3/16" - 5.19in - 131.76mm———
    QD-HD-N-5-1/4N - 230,000 in-lb / 5-1/4" - 5.25in - 133.35mm———
    QD-HD-N-5-5/16N - 230,000 in-lb / 5-5/16" - 5.31in - 134.94mm———
    QD-HD-N-5-7/16N - 230,000 in-lb / 5-7/16" - 5.44in - 138.11mm———
    QD-HD-N-5-1/2N - 230,000 in-lb / 5-1/2" - 5.50in - 139.70mm———
    QD-HD-N-5-3/4N - 230,000 in-lb / 5-3/4" - 5.75in - 146.05mm———
    QD-HD-NA176N - 230,000 in-lb / 5-15/16" - 5.94in - 150.81mm———
    QD-HD-N-6N - 230,000 in-lb / 6" - 6.00in - 152.40mm———
    QD-HD-NA177N - 230,000 in-lb / 6-1/4" - 6.25in - 158.75mm———
    QD-HD-NA178N - 230,000 in-lb / 6-7/16" - 6.44in - 163.51mm———
    QD-HD-NA179N - 230,000 in-lb / 6-3/4" - 6.75in - 171.45mm———
    QD-HD-NA180N - 230,000 in-lb / 6-15/16" - 6.94in - 176.21mm———
    QD-HD-NA181P - 400,000 in-lb / 1" - 1.00in - 25.40mm———
    QD-HD-NA182P - 400,000 in-lb / 1-1/8" - 1.12in - 28.57mm———
    QD-HD-NA183P - 400,000 in-lb / 1-3/16" - 1.19in - 30.16mm———
    QD-HD-NA184P - 400,000 in-lb / 1-1/4" - 1.25in - 31.75mm———
    QD-HD-NA185P - 400,000 in-lb / 1-5/16" - 1.31in - 33.34mm———
    QD-HD-NA186P - 400,000 in-lb / 1-3/8" - 1.38in - 34.92mm———
    QD-HD-NA187P - 400,000 in-lb / 1-7/16" - 1.44in - 36.51mm———
    QD-HD-NA188P - 400,000 in-lb / 1-1/2" - 1.50in - 38.10mm———
    QD-HD-NA189P - 400,000 in-lb / 1-9/16" - 1.56in - 39.69mm———
    QD-HD-NA190P - 400,000 in-lb / 1-5/8" - 1.62in - 41.27mm———
    QD-HD-NA191P - 400,000 in-lb / 1-11/16" - 1.69in - 42.86mm———
    QD-HD-NA192P - 400,000 in-lb / 1-3/8-3/8"———
    QD-HD-NA193P - 400,000 in-lb / 1-3/4" - 1.75in - 44.45mm———
    QD-HD-NA194P - 400,000 in-lb / 1-13/16" - 1.81in - 46.04mm———
    QD-HD-NA195P - 400,000 in-lb / 1-7/8" - 1.88in - 47.62mm———
    QD-HD-NA196P - 400,000 in-lb / 48mm - 1.89in———
    QD-HD-NA197P - 400,000 in-lb / 1-15/16" - 1.94in - 49.21mm———
    QD-HD-NA198P - 400,000 in-lb / 50mm - 1.97in———
    QD-HD-NA199P - 400,000 in-lb / 2" - 2.00in - 50.80mm———
    QD-HD-NA200P - 400,000 in-lb / 2-1/16" - 2.06in - 52.39mm———
    QD-HD-NA201P - 400,000 in-lb / 2-1/8" - 2.12in - 53.97mm———
    QD-HD-NA202P - 400,000 in-lb / 55mm - 2.17in———
    QD-HD-NA203P - 400,000 in-lb / 2-3/16" - 2.19in - 55.56mm———
    QD-HD-NA204P - 400,000 in-lb / 2-1/4" - 2.25in - 57.15mm———
    QD-HD-NA205P - 400,000 in-lb / 1-3/4-1/2"———
    QD-HD-NA206P - 400,000 in-lb / 2-5/16" - 2.31in - 58.74mm———
    QD-HD-NA207P - 400,000 in-lb / 60mm - 2.36in———
    QD-HD-NA208P - 400,000 in-lb / 2-3/8" - 2.38in - 60.32mm———
    QD-HD-NA209P - 400,000 in-lb / 2-7/16" - 2.44in - 61.91mm———
    QD-HD-NA210P - 400,000 in-lb / 2-1/2" - 2.50in - 63.50mm———
    QD-HD-NA211P - 400,000 in-lb / 65mm - 2.56in———
    QD-HD-NA212P - 400,000 in-lb / 2-9/16" - 2.56in - 65.09mm———
    QD-HD-NA213P - 400,000 in-lb / 2-5/8" - 2.62in - 66.67mm———
    QD-HD-NA214P - 400,000 in-lb / 2-11/16" - 2.69in - 68.26mm———
    QD-HD-NA215P - 400,000 in-lb / 2-3/4" - 2.75in - 69.85mm———
    QD-HD-NA216P - 400,000 in-lb / 70mm - 2.76in———
    QD-HD-NA217P - 400,000 in-lb / 2-13/16" - 2.81in - 71.44mm———
    QD-HD-NA218P - 400,000 in-lb / 2-7/8" - 2.88in - 73.02mm———
    QD-HD-NA219P - 400,000 in-lb / 2-1/4-5/8"———
    QD-HD-P-2-15/16P - 400,000 in-lb / 2-15/16" - 2.94in - 74.61mm———
    QD-HD-NA220P - 400,000 in-lb / 75mm - 2.95in———
    QD-HD-NA221P - 400,000 in-lb / 3" - 3.00in - 76.20mm———
    QD-HD-NA222P - 400,000 in-lb / 3-1/8" - 3.12in - 79.38mm———
    QD-HD-NA223P - 400,000 in-lb / 80mm - 3.15in———
    QD-HD-NA224P - 400,000 in-lb / 3-3/16" - 3.19in - 80.96mm———
    QD-HD-NA225P - 400,000 in-lb / 3-1/4" - 3.25in - 82.55mm———
    QD-HD-NA226P - 400,000 in-lb / 3-5/16" - 3.31in - 84.14mm———
    QD-HD-NA227P - 400,000 in-lb / 85mm - 3.35in———
    QD-HD-P-3-3/8P - 400,000 in-lb / 3-3/8" - 3.38in - 85.72mm———
    QD-HD-P-3-7/16P - 400,000 in-lb / 3-7/16" - 3.44in - 87.31mm———
    QD-HD-P-3-1/2P - 400,000 in-lb / 3-1/2" - 3.50in - 88.90mm———
    QD-HD-NA228P - 400,000 in-lb / 90mm - 3.54in———
    QD-HD-NA229P - 400,000 in-lb / 3-9/16" - 3.56in - 90.49mm———
    QD-HD-NA230P - 400,000 in-lb / 3-5/8" - 3.62in - 92.07mm———
    QD-HD-P-3-11/16P - 400,000 in-lb / 3-11/16" - 3.69in - 93.66mm———
    QD-HD-NA231P - 400,000 in-lb / 3-3/4" - 3.75in - 95.25mm———
    QD-HD-NA232P - 400,000 in-lb / 3-13/16" - 3.81in - 96.84mm———
    QD-HD-P-3-7/8P - 400,000 in-lb / 3-7/8" - 3.88in - 98.42mm———
    QD-HD-P-3-15/16P - 400,000 in-lb / 3-15/16" - 3.94in - 100.01mm———
    QD-HD-P-4P - 400,000 in-lb / 4" - 4.00in - 101.60mm———
    QD-HD-NA233P - 400,000 in-lb / 4-1/8" - 4.12in - 104.77mm———
    QD-HD-P-4-3/16P - 400,000 in-lb / 4-3/16" - 4.19in - 106.36mm———
    QD-HD-P-4-1/4P - 400,000 in-lb / 4-1/4" - 4.25in - 107.95mm———
    QD-HD-NA234P - 400,000 in-lb / 4-5/16" - 4.31in - 109.54mm———
    QD-HD-P-4-3/8P - 400,000 in-lb / 4-3/8" - 4.38in - 111.12mm———
    QD-HD-P-4-7/16P - 400,000 in-lb / 4-7/16" - 4.44in - 112.71mm———
    QD-HD-P-4-1/2P - 400,000 in-lb / 4-1/2" - 4.50in - 114.30mm———
    QD-HD-NA235P - 400,000 in-lb / 4-5/8" - 4.62in - 117.47mm———
    QD-HD-NA236P - 400,000 in-lb / 4-11/16" - 4.69in - 119.06mm———
    QD-HD-P-4-3/4P - 400,000 in-lb / 4-3/4" - 4.75in - 120.65mm———
    QD-HD-P-4-7/8P - 400,000 in-lb / 4-7/8" - 4.88in - 123.82mm———
    QD-HD-P-4-15/16P - 400,000 in-lb / 4-15/16" - 4.94in - 125.41mm———
    QD-HD-P-5P - 400,000 in-lb / 5" - 5.00in - 127.00mm———
    QD-HD-P-5-1/8P - 400,000 in-lb / 5-1/8" - 5.12in - 130.17mm———
    QD-HD-NA237P - 400,000 in-lb / 5-3/16" - 5.19in - 131.76mm———
    QD-HD-P-5-1/4P - 400,000 in-lb / 5-1/4" - 5.25in - 133.35mm———
    QD-HD-P-5-5/16P - 400,000 in-lb / 5-5/16" - 5.31in - 134.94mm———
    QD-HD-P-5-7/16P - 400,000 in-lb / 5-7/16" - 5.44in - 138.11mm———
    QD-HD-P-5-1/2P - 400,000 in-lb / 5-1/2" - 5.50in - 139.70mm———
    QD-HD-NA238P - 400,000 in-lb / 5-3/4" - 5.75in - 146.05mm———
    QD-HD-P-5-15/16P - 400,000 in-lb / 5-15/16" - 5.94in - 150.81mm———
    QD-HD-P-6P - 400,000 in-lb / 6" - 6.00in - 152.40mm———
    QD-HD-P-6-1/4P - 400,000 in-lb / 6-1/4" - 6.25in - 158.75mm———
    QD-HD-P-6-7/16P - 400,000 in-lb / 6-7/16" - 6.44in - 163.51mm———
    QD-HD-P-6-3/4P - 400,000 in-lb / 6-3/4" - 6.75in - 171.45mm———
    QD-HD-P-6-15/16P - 400,000 in-lb / 6-15/16" - 6.94in - 176.21mm———
    QD-HD-NA239W - 560,000 in-lb / 1" - 1.00in - 25.40mm———
    QD-HD-NA240W - 560,000 in-lb / 1-1/8" - 1.12in - 28.57mm———
    QD-HD-NA241W - 560,000 in-lb / 1-3/16" - 1.19in - 30.16mm———
    QD-HD-NA242W - 560,000 in-lb / 1-1/4" - 1.25in - 31.75mm———
    QD-HD-NA243W - 560,000 in-lb / 1-5/16" - 1.31in - 33.34mm———
    QD-HD-NA244W - 560,000 in-lb / 1-3/8" - 1.38in - 34.92mm———
    QD-HD-NA245W - 560,000 in-lb / 1-7/16" - 1.44in - 36.51mm———
    QD-HD-NA246W - 560,000 in-lb / 1-1/2" - 1.50in - 38.10mm———
    QD-HD-NA247W - 560,000 in-lb / 1-9/16" - 1.56in - 39.69mm———
    QD-HD-NA248W - 560,000 in-lb / 1-5/8" - 1.62in - 41.27mm———
    QD-HD-NA249W - 560,000 in-lb / 1-11/16" - 1.69in - 42.86mm———
    QD-HD-NA250W - 560,000 in-lb / 1-3/8-3/8"———
    QD-HD-NA251W - 560,000 in-lb / 1-3/4" - 1.75in - 44.45mm———
    QD-HD-NA252W - 560,000 in-lb / 1-13/16" - 1.81in - 46.04mm———
    QD-HD-NA253W - 560,000 in-lb / 1-7/8" - 1.88in - 47.62mm———
    QD-HD-NA254W - 560,000 in-lb / 48mm - 1.89in———
    QD-HD-NA255W - 560,000 in-lb / 1-15/16" - 1.94in - 49.21mm———
    QD-HD-NA256W - 560,000 in-lb / 50mm - 1.97in———
    QD-HD-NA257W - 560,000 in-lb / 2" - 2.00in - 50.80mm———
    QD-HD-NA258W - 560,000 in-lb / 2-1/16" - 2.06in - 52.39mm———
    QD-HD-NA259W - 560,000 in-lb / 2-1/8" - 2.12in - 53.97mm———
    QD-HD-NA260W - 560,000 in-lb / 55mm - 2.17in———
    QD-HD-NA261W - 560,000 in-lb / 2-3/16" - 2.19in - 55.56mm———
    QD-HD-NA262W - 560,000 in-lb / 2-1/4" - 2.25in - 57.15mm———
    QD-HD-NA263W - 560,000 in-lb / 1-3/4-1/2"———
    QD-HD-NA264W - 560,000 in-lb / 2-5/16" - 2.31in - 58.74mm———
    QD-HD-NA265W - 560,000 in-lb / 60mm - 2.36in———
    QD-HD-NA266W - 560,000 in-lb / 2-3/8" - 2.38in - 60.32mm———
    QD-HD-NA267W - 560,000 in-lb / 2-7/16" - 2.44in - 61.91mm———
    QD-HD-NA268W - 560,000 in-lb / 2-1/2" - 2.50in - 63.50mm———
    QD-HD-NA269W - 560,000 in-lb / 65mm - 2.56in———
    QD-HD-NA270W - 560,000 in-lb / 2-9/16" - 2.56in - 65.09mm———
    QD-HD-NA271W - 560,000 in-lb / 2-5/8" - 2.62in - 66.67mm———
    QD-HD-NA272W - 560,000 in-lb / 2-11/16" - 2.69in - 68.26mm———
    QD-HD-NA273W - 560,000 in-lb / 2-3/4" - 2.75in - 69.85mm———
    QD-HD-NA274W - 560,000 in-lb / 70mm - 2.76in———
    QD-HD-NA275W - 560,000 in-lb / 2-13/16" - 2.81in - 71.44mm———
    QD-HD-NA276W - 560,000 in-lb / 2-7/8" - 2.88in - 73.02mm———
    QD-HD-NA277W - 560,000 in-lb / 2-1/4-5/8"———
    QD-HD-NA278W - 560,000 in-lb / 2-15/16" - 2.94in - 74.61mm———
    QD-HD-NA279W - 560,000 in-lb / 75mm - 2.95in———
    QD-HD-NA280W - 560,000 in-lb / 3" - 3.00in - 76.20mm———
    QD-HD-NA281W - 560,000 in-lb / 3-1/8" - 3.12in - 79.38mm———
    QD-HD-NA282W - 560,000 in-lb / 80mm - 3.15in———
    QD-HD-NA283W - 560,000 in-lb / 3-3/16" - 3.19in - 80.96mm———
    QD-HD-NA284W - 560,000 in-lb / 3-1/4" - 3.25in - 82.55mm———
    QD-HD-NA285W - 560,000 in-lb / 3-5/16" - 3.31in - 84.14mm———
    QD-HD-NA286W - 560,000 in-lb / 85mm - 3.35in———
    QD-HD-NA287W - 560,000 in-lb / 3-3/8" - 3.38in - 85.72mm———
    QD-HD-NA288W - 560,000 in-lb / 3-7/16" - 3.44in - 87.31mm———
    QD-HD-NA289W - 560,000 in-lb / 3-1/2" - 3.50in - 88.90mm———
    QD-HD-NA290W - 560,000 in-lb / 90mm - 3.54in———
    QD-HD-NA291W - 560,000 in-lb / 3-9/16" - 3.56in - 90.49mm———
    QD-HD-NA292W - 560,000 in-lb / 3-5/8" - 3.62in - 92.07mm———
    QD-HD-NA293W - 560,000 in-lb / 3-11/16" - 3.69in - 93.66mm———
    QD-HD-NA294W - 560,000 in-lb / 3-3/4" - 3.75in - 95.25mm———
    QD-HD-NA295W - 560,000 in-lb / 3-13/16" - 3.81in - 96.84mm———
    QD-HD-NA296W - 560,000 in-lb / 3-7/8" - 3.88in - 98.42mm———
    QD-HD-NA297W - 560,000 in-lb / 3-15/16" - 3.94in - 100.01mm———
    QD-HD-W-4W - 560,000 in-lb / 4" - 4.00in - 101.60mm———
    QD-HD-NA298W - 560,000 in-lb / 4-1/8" - 4.12in - 104.77mm———
    QD-HD-NA299W - 560,000 in-lb / 4-3/16" - 4.19in - 106.36mm———
    QD-HD-NA300W - 560,000 in-lb / 4-1/4" - 4.25in - 107.95mm———
    QD-HD-NA301W - 560,000 in-lb / 4-5/16" - 4.31in - 109.54mm———
    QD-HD-NA302W - 560,000 in-lb / 4-3/8" - 4.38in - 111.12mm———
    QD-HD-NA303W - 560,000 in-lb / 4-7/16" - 4.44in - 112.71mm———
    QD-HD-W-4-1/2W - 560,000 in-lb / 4-1/2" - 4.50in - 114.30mm———
    QD-HD-NA304W - 560,000 in-lb / 4-5/8" - 4.62in - 117.47mm———
    QD-HD-NA305W - 560,000 in-lb / 4-11/16" - 4.69in - 119.06mm———
    QD-HD-NA306W - 560,000 in-lb / 4-3/4" - 4.75in - 120.65mm———
    QD-HD-W-4-7/8W - 560,000 in-lb / 4-7/8" - 4.88in - 123.82mm———
    QD-HD-NA307W - 560,000 in-lb / 4-15/16" - 4.94in - 125.41mm———
    QD-HD-W-5W - 560,000 in-lb / 5" - 5.00in - 127.00mm———
    QD-HD-NA308W - 560,000 in-lb / 5-1/8" - 5.12in - 130.17mm———
    QD-HD-W-5-3/16W - 560,000 in-lb / 5-3/16" - 5.19in - 131.76mm———
    QD-HD-NA309W - 560,000 in-lb / 5-1/4" - 5.25in - 133.35mm———
    QD-HD-NA310W - 560,000 in-lb / 5-5/16" - 5.31in - 134.94mm———
    QD-HD-W-5-7/16W - 560,000 in-lb / 5-7/16" - 5.44in - 138.11mm———
    QD-HD-W-5-1/2W - 560,000 in-lb / 5-1/2" - 5.50in - 139.70mm———
    QD-HD-W-5-3/4W - 560,000 in-lb / 5-3/4" - 5.75in - 146.05mm———
    QD-HD-W-5-15/16W - 560,000 in-lb / 5-15/16" - 5.94in - 150.81mm———
    QD-HD-W-6W - 560,000 in-lb / 6" - 6.00in - 152.40mm———
    QD-HD-W-6-1/4W - 560,000 in-lb / 6-1/4" - 6.25in - 158.75mm———
    QD-HD-W-6-7/16W - 560,000 in-lb / 6-7/16" - 6.44in - 163.51mm———

    Where Martin Bushings Keep Things Running

    • Industrial Machinery — sheave, sprocket, and coupling mounting on motor shafts, gearbox outputs, and driven equipment
    • Agricultural Equipment — combine drives, grain handling systems, irrigation pivots, and PTO-driven implements
    • HVAC Systems — fan and blower sheave mounting, pump drives, and air handling units
    • Mining & Aggregate — conveyor drives, crusher components, and screen deck drives
    • Food & Beverage — mixer drives, conveyor systems, and packaging line equipment

    1 All dimensions follow the Lambear tri-format: Imperial fraction – Decimal inches – Metric (mm).

    2 Specifications are catalog values. Contact us for application-specific recommendations.

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