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HTD Timing Pulleys

High Torque Drive are rounded tooth pulleys offered in 3mm, 5mm, and 8mm made of aluminum. Typically paired with Gates HTD drive belts.

HTD Timing Pulleys Specifications

Part Number

No. Teeth
Tooth Height

Pitch Dia.

Outside Diameter

Root Diameter
3mm-HTD-990.0480.3380.3090.212
3mm-HTD-10100.0480.3760.3470.250
3mm-HTD-11110.0480.4140.3850.288
3mm-HTD-12120.0480.4510.4220.325
3mm-HTD-13130.0480.4890.4600.363
3mm-HTD-14140.0480.5260.4970.400
3mm-HTD-15150.0480.5640.5350.438
3mm-HTD-16160.0480.6020.5730.476
3mm-HTD-17170.0480.6390.6100.513
3mm-HTD-18180.0480.6770.6480.551
3mm-HTD-19190.0480.7140.6850.588
3mm-HTD-20200.0480.7520.7230.626
3mm-HTD-21210.0480.7900.7610.664
3mm-HTD-22220.0480.8270.7980.701
3mm-HTD-23230.0480.8650.8360.739
3mm-HTD-24240.0480.9020.8730.776
3mm-HTD-25250.0480.9400.9110.814
3mm-HTD-26260.0480.9770.9480.851
3mm-HTD-27270.0481.0150.9860.889
3mm-HTD-28280.0481.0531.0250.927
3mm-HTD-29290.0481.0901.0620.964
3mm-HTD-30300.0481.1281.1001.002
3mm-HTD-31310.0481.1651.1371.039
3mm-HTD-32320.0481.2031.1751.077
3mm-HTD-33330.0481.2411.2131.115
3mm-HTD-34340.0481.2781.2501.152
3mm-HTD-35350.0481.3161.2881.190
3mm-HTD-36360.0481.3531.3251.227
3mm-HTD-37370.0481.3911.3631.265
3mm-HTD-38380.0481.4291.4011.303
3mm-HTD-39390.0481.4661.4381.340
3mm-HTD-40400.0481.5041.4761.378
3mm-HTD-41410.0481.5411.5131.415
3mm-HTD-42420.0481.5791.5511.453
3mm-HTD-43430.0481.6171.5891.491
3mm-HTD-44440.0481.6541.6261.528
3mm-HTD-45450.0481.6921.6641.566
3mm-HTD-48480.0481.8051.7771.679
3mm-HTD-50500.0481.8801.8521.754
3mm-HTD-51510.0481.9171.8891.791
3mm-HTD-52520.0481.9551.9271.829
3mm-HTD-56560.0482.1052.0771.979
3mm-HTD-60600.0482.2562.2282.130
3mm-HTD-70700.0482.6042.506
3mm-HTD-72720.0482.7072.6792.581

How to Request a Timing Belt Pulley Quote

When requesting a quote for timing belt pulleys from Grob Inc., please include as much of the following as possible:

  • Timing Belt Pulley Number
  • Material
    • All Grob Standard timing belt pulleys are stocked in 1117 mild steel and 4140, but other materials are available
    • If you need a specific material, or would like to discuss with a Grob rep – just let us know!
  • Length
    • All Grob Standard timing belt pulleys are sold by the foot
    • List the lengths & number of pieces you require in your request

Example:

  • timing belt pulley number: 3mm-HTD-9​
    • Specifications for each standard timing belt pulley
      can be found in the table above
    • This example is a 3/9 diameter pitch, 10 tooth
  • Material: 1117 mild steel
  • Length & #: 2 pieces; 3ft each
  • Order: 2x, 3ft, 3mm-HTD-9​-1117

Placing all of this information in your quote request, which can be simplified: 2x, 3ft, 3mm-HTD-9​-1117 will ensure that our team can get you the most accurate quote as quickly as possible.

Ready to Request Your timing belt pulley Quote?