Skip To Content

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 pulley

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?