QD40XXH300 Timing Pulley, 4 Teeth, XXH Pitch


Price:
$ 913.95

Description

QD40XXH300 Timing Pulley, 4 Teeth, XXH Pitch

The QD40XXH300 is a 4-tooth XXH (1.250 in trapezoidal) timing pulley. It mounts with an industry-standard bushing, sold separately, machined from cast iron with a black oxide finish, built for 3 in wide belts. Machined from solid stock, never sintered or powdered metal.

Specifications

Type D3F pulley construction dimension diagram

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

Specification Value
Part Number QD40XXH300
Teeth 4
Pitch XXH (1.250 in trapezoidal)
For Belt Width 3 in
Pitch Diameter 15.9155 in
Outside Diameter 15.7955 in
Flange Diameter 16.625 in
Bore Accepts F bushing (not included)
Face Width 3.625 in
Overall Length 3.625 in
Construction Quick Disconnect Hub
Flange Material Steel
Material Cast Iron (no sintered or powdered metal)
Finish Black Oxide
Weight 75 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

Belt Compatibility

The QD40XXH300 runs XXH (1.250 in trapezoidal) belts in 3 in width. The pitch is standardized, so belt and pulley brands can be mixed.

Cross Reference

The QD40XXH300 interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Martin 40XXH300 F
TB Woods® 40XXH300
Regal Rexnord (Browning®) 40XXH300F
Jason Industrial 40XXH300F
Ametric 40 XXH 300
Powerdrive QD40XXH300
Continental (ContiTech) 40XXH300-F

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 QD40XXH300 pulley?

XXH (1.250 in trapezoidal) timing belts in 3 in width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.

Does the QD40XXH300 replace the Martin 40XXH300 F?

Yes. Published interchange data crosses the QD40XXH300 directly to the Martin 40XXH300 F, as well as TB Woods 40XXH300, Regal Rexnord 40XXH300F, Jason Industrial 40XXH300F. Verify dimensions and bore before ordering.

Does the QD40XXH300 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 QD40XXH300?

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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