QD120L100 Timing Pulley, 12 Teeth, L Pitch


Price:
$ 134.43

Description

Representative image shown. Actual product appearance varies by size, bore, and configuration. Refer to the specifications table for exact dimensions of this part number.

QD120L100 Timing Pulley, 12 Teeth, L Pitch

The QD120L100 is a 12-tooth L (0.375 in trapezoidal) timing pulley. It mounts with an industry-standard bushing, sold separately, machined from cast iron with a black oxide finish, built for 1 in wide belts. Machined from solid stock, never sintered or powdered metal.

Specifications

Type B3 pulley construction dimension diagram

Dimension key for this construction type. Values for this part number are in the table below.

Specification Value
Part Number QD120L100
Teeth 12
Pitch L (0.375 in trapezoidal)
For Belt Width 1 in
Pitch Diameter 14.3239 in
Outside Diameter 14.2939 in
Bore Accepts SD bushing (not included)
Face Width 1.25 in
Overall Length 1.25 in
Construction Quick Disconnect Hub
Material Cast Iron (no sintered or powdered metal)
Finish Black Oxide
Weight 17.842 lb
Country of Origin China

Applications

  • Instrumentation, office equipment, and precision positioning drives
  • 3D printers and desktop CNC equipment
  • Robotics, medical devices, and packaging machinery
  • Weight-sensitive drives (webbed, lightened construction)

Belt Compatibility

The QD120L100 runs L (0.375 in trapezoidal) belts in 1 in width. The pitch is standardized, so belt and pulley brands can be mixed.

Cross Reference

The QD120L100 interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Martin 120L100 SD
TB Woods® 120L100
Regal Rexnord (Browning®) 120L100SD
Mitsuboshi QD120L100
Jason Industrial 120L100SD
Ametric 12L0100.SD
Grainger 809VD5
Powerdrive QD120L100
Continental (ContiTech) 120L100-SD

Always verify dimensions and bore size before substituting part numbers across manufacturers.

Buying in bulk? Save on volume.

Multi-unit and OEM quantities qualify for volume discounts. Call or email for a quantity quote.

Frequently Asked Questions

What belts fit the QD120L100 pulley?

L (0.375 in trapezoidal) timing belts in 1 in width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.

Does the QD120L100 replace the Martin 120L100 SD?

Yes. Published interchange data crosses the QD120L100 directly to the Martin 120L100 SD, as well as TB Woods 120L100, Regal Rexnord 120L100SD, Mitsuboshi QD120L100. Verify dimensions and bore before ordering.

Does the QD120L100 ship from Houston?

Yes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability.

Need a quote on QD120L100?

Houston warehouse, same-day shipping on stock items.

Call (888) 203-2358

All third-party part numbers and trademarks referenced are the property of their respective owners. References are for compatibility identification only and do not imply affiliation or endorsement.

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