QD44L050 Timing Pulley, 44 Teeth, L Pitch


Price:
$ 69.79

Description

QD44L050 Timing Pulley, 44 Teeth, L Pitch

The QD44L050 is a 44-tooth L (0.375 in trapezoidal) timing pulley. It mounts with an industry-standard bushing, sold separately, machined from ductile iron with a black oxide finish, built for 0.5 in wide belts. Machined from solid stock, never sintered or powdered metal.

Specifications

Type B1F pulley construction dimension diagram

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

Specification Value
Part Number QD44L050
Teeth 44
Pitch L (0.375 in trapezoidal)
For Belt Width 0.5 in
Pitch Diameter 5.2521 in
Outside Diameter 5.2221 in
Flange Diameter 5.474 in
Bore Accepts SDS bushing (not included)
Face Width 0.75 in
Overall Length 0.75 in
Construction Quick Disconnect Hub
Flange Material Steel
Material Ductile Iron (no sintered or powdered metal)
Finish Black Oxide
Weight 3.415 lb
Country of Origin United States. ISO 9001:2015 certified manufacturing.

Applications

  • Instrumentation, office equipment, and precision positioning drives
  • 3D printers and desktop CNC equipment
  • Robotics, medical devices, and packaging machinery

Belt Compatibility

The QD44L050 runs L (0.375 in trapezoidal) belts in 0.5 in width. The pitch is standardized, so belt and pulley brands can be mixed.

Cross Reference

The QD44L050 interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Martin 44L050 SDS
TB Woods® 44L050
Regal Rexnord (Browning®) 44L050SDS
Mitsuboshi QD44L050
Jason Industrial 44L050SDS
Neuman 44L050-SDS
Ametric 44L050.SDS
Grainger 809VM4
Powerdrive QD44L050
Continental (ContiTech) 44L050-SDS

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 QD44L050 pulley?

L (0.375 in trapezoidal) timing belts in 0.5 in width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.

Does the QD44L050 replace the Martin 44L050 SDS?

Yes. Published interchange data crosses the QD44L050 directly to the Martin 44L050 SDS, as well as TB Woods 44L050, Regal Rexnord 44L050SDS, Mitsuboshi QD44L050. Verify dimensions and bore before ordering.

Does the QD44L050 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 QD44L050?

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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