48XL037-6S4 Timing Pulley, 48 Teeth, XL Pitch, 5/16 in Bore


Price:
$ 54.85

Description

48XL037-6S4 Timing Pulley, 48 Teeth, XL Pitch, 5/16 in Bore

The 48XL037-6S4 is a 48-tooth XL (0.200 in trapezoidal) timing pulley with a 5/16 in finished bore, machined from steel with a black oxide finish, built for 0.375 in wide belts. Machined from solid stock, never sintered or powdered metal.

Specifications

Type 6 pulley construction dimension diagram

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

Specification Value
Part Number 48XL037-6S4
Teeth 48
Pitch XL (0.200 in trapezoidal)
For Belt Width 0.375 in
Pitch Diameter 3.0558 in
Outside Diameter 3.0358 in
Bore 5/16 in finished bore
Face Width 0.563 in
Overall Length 1 in
Hub Diameter 1.5 in
Construction Standard Hub
Set Screws 2 x 10-32
Material Steel (no sintered or powdered metal)
Finish Black Oxide
Weight 1.215 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 48XL037-6S4 runs XL (0.200 in trapezoidal) belts in 0.375 in width. The pitch is standardized, so belt and pulley brands can be mixed.

Cross Reference

The 48XL037-6S4 interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Martin 48XL037
Regal Rexnord (Browning®) 48XLB037S
Mitsuboshi 48XL037-6S4
McMaster-Carr 6495K731
Powerdrive 48XL037-6S4

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 48XL037-6S4 pulley?

XL (0.200 in trapezoidal) timing belts in 0.375 in width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.

Does the 48XL037-6S4 replace the Martin 48XL037?

Yes. Published interchange data crosses the 48XL037-6S4 directly to the Martin 48XL037, as well as Regal Rexnord 48XLB037S, Mitsuboshi 48XL037-6S4, McMaster-Carr 6495K731. Verify dimensions and bore before ordering.

Does the 48XL037-6S4 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 48XL037-6S4?

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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