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Oldham Type Flexible Coupling

Features:

  • Construction consisting of hub and spacer absorbs misalignment by spacer deflection and sliding
  • Wider range of parallel and angular misalignment as compare to other couplings
  • Zero backlash
  • High torsional stiffness and response
  • Simple design results in ease of assembly
  • Material: Hub (Aluminium alloy), Spacer (Polyacetal)

Dimensions

Part No.ØD (mm)L (mm)L1 & L2 (mm)Ød1 & Ød2 (mm)M (mm)Mass (g)
PTC-SOH-16C 16 30 13 4, 5, 6 M2.5 12
PTC-SOH-20C 20 33 14 6, 6.35, 8 M2.5 20
PTC-SOH-25C 25 39 17 6.35, 8, 9.53, 10 M3 36
PTC-SOH-32C 32 45 19 8, 9.53, 10, 11, 12, 14 M4 66
PTC-SOH-40C 40 50 23 12, 14, 15, 16 M5 114
PTC-SOH-50C 50 58 27 14, 15, 16, 18, 19, 20 M6 206
PTC-SOH-63C 63 71 33 16, 18, 19, 20, 24, 25 M8 454

Specifications

Part No.Related Torque (N.m)Max Torque (N.m)Max RPMMoment of Inertia (Kg.m2)Static Torsional Stiffness (N.m/rad)Allowable Declination (°)Allowable Eccentricity (mm)
PTC-SOH-16C 0.7 1.4 9,000 5.0X10-7 29 3.0 1.0
PTC-SOH-20C 1.6 3.2 7,400 1.4X10-7 58 1.4
PTC-SOH-25C 3 6 5,800 4.1X10-6 125 1.9
PTC-SOH-32C 5.5 11 4,700 1.2X10-5 260 2.4
PTC-SOH-40C 9 18 3,600 3.8X10-5 505 2.8
PTC-SOH-50C 19 38 3,000 1.0X10-4 780 3.3
PTC-SOH-63C 33 66 2,400 3.5X10-4 1,200 3.8