QD84H300 Timing Pulley, 84 Teeth, H Pitch


Price:
$ 367.98

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.

QD84H300 Timing Pulley, 84 Teeth, H Pitch

The QD84H300 is a 84-tooth H (0.500 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 A3 pulley construction dimension diagram

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

Specification Value
Part Number QD84H300
Teeth 84
Pitch H (0.500 in trapezoidal)
For Belt Width 3 in
Pitch Diameter 13.369 in
Outside Diameter 13.315 in
Bore Accepts SF bushing (not included)
Face Width 3.375 in
Overall Length 3.375 in
Construction Quick Disconnect Hub
Material Cast Iron (no sintered or powdered metal)
Finish Black Oxide
Weight 3 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 QD84H300 runs H (0.500 in trapezoidal) belts in 3 in width. The pitch is standardized, so belt and pulley brands can be mixed.

Cross Reference

The QD84H300 interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Martin 84H300 SF
TB Woods® 84H300
Regal Rexnord (Browning®) 84H300SF
Mitsuboshi QD84H300
Jason Industrial 84H300SF
Ametric 84H300.SF
Grainger 809VR1
Powerdrive QD84H300
Continental (ContiTech) 84H300-SF

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 QD84H300 pulley?

H (0.500 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 QD84H300 replace the Martin 84H300 SF?

Yes. Published interchange data crosses the QD84H300 directly to the Martin 84H300 SF, as well as TB Woods 84H300, Regal Rexnord 84H300SF, Mitsuboshi QD84H300. Verify dimensions and bore before ordering.

Does the QD84H300 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 QD84H300?

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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