Description
QD34XXH500 Timing Pulley, 34 Teeth, XXH Pitch
The QD34XXH500 is a 34-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 5 in wide belts. Machined from solid stock, never sintered or powdered metal.
Specifications

Dimension key for this construction type. Values for this part number are in the table below.
| Specification | Value |
|---|---|
| Part Number | QD34XXH500 |
| Teeth | 34 |
| Pitch | XXH (1.250 in trapezoidal) |
| For Belt Width | 5 in |
| Pitch Diameter | 13.5282 in |
| Outside Diameter | 13.4082 in |
| Flange Diameter | 14.25 in |
| Bore | Accepts J bushing (not included) |
| Face Width | 2.625 in |
| Overall Length | 3.969 in |
| Construction | Quick Disconnect Hub |
| Flange Material | Steel |
| Material | Cast Iron (no sintered or powdered metal) |
| Finish | Black Oxide |
| Weight | 95 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 QD34XXH500 runs XXH (1.250 in trapezoidal) belts in 5 in width. The pitch is standardized, so belt and pulley brands can be mixed.
Cross Reference
The QD34XXH500 interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Martin | 34XXH500 J |
| TB Woods® | 34XXH500 |
| Regal Rexnord (Browning®) | 34XXH500J |
| Jason Industrial | 34XXH500J |
| Powerdrive | QD34XXH500 |
| Continental (ContiTech) | 34XXH500-J |
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 QD34XXH500 pulley?
XXH (1.250 in trapezoidal) timing belts in 5 in width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.
Does the QD34XXH500 replace the Martin 34XXH500 J?
Yes. Published interchange data crosses the QD34XXH500 directly to the Martin 34XXH500 J, as well as TB Woods 34XXH500, Regal Rexnord 34XXH500J, Jason Industrial 34XXH500J. Verify dimensions and bore before ordering.
Does the QD34XXH500 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 QD34XXH500?
Houston warehouse, same-day shipping on stock items.
Call (888) 203-2358All 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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