Description
36XL037-6S4 Timing Pulley, 36 Teeth, XL Pitch, 5/16 in Bore
The 36XL037-6S4 is a 36-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.
$50 minimum order on drive components. Mix and match any pulleys, bushings, sheaves, sprockets, and accessories in your cart to reach the $50 minimum. Questions? Call (888) 203-2358.
Specifications

Dimension key for this construction type. Values for this part number are in the table below.
| Specification | Value |
|---|---|
| Part Number | 36XL037-6S4 |
| Teeth | 36 |
| Pitch | XL (0.200 in trapezoidal) |
| For Belt Width | 0.375 in |
| Pitch Diameter | 2.2918 in |
| Outside Diameter | 2.2718 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 8-32 |
| Material | Steel (no sintered or powdered metal) |
| Finish | Black Oxide |
| Weight | 0.842 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 36XL037-6S4 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 36XL037-6S4 interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Martin | 36XL037 |
| Regal Rexnord (Browning®) | 36XLB037S |
| Mitsuboshi | 36XL037-6S4 |
| McMaster-Carr | 6495K726 |
| Powerdrive | 36XL037-6S4 |
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 36XL037-6S4 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 36XL037-6S4 replace the Martin 36XL037?
Yes. Published interchange data crosses the 36XL037-6S4 directly to the Martin 36XL037, as well as Regal Rexnord 36XLB037S, Mitsuboshi 36XL037-6S4, McMaster-Carr 6495K726. Verify dimensions and bore before ordering.
Does the 36XL037-6S4 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 36XL037-6S4?
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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