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.
48XHS300 Timing Pulley, 48 Teeth, XH Pitch
The 48XHS300 is a 48-tooth XH (0.875 in trapezoidal) timing pulley. It mounts with an industry-standard bushing, sold separately, machined from cast iron, built for 3 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 | 48XHS300 |
| Teeth | 48 |
| Pitch | XH (0.875 in trapezoidal) |
| For Belt Width | 3 in |
| Pitch Diameter | 13.369 in |
| Outside Diameter | 13.259 in |
| Bore | Accepts S1 bushing (not included) |
| Face Width | 3.625 in |
| Overall Length | 4.906 in |
| Construction | Split Taper Hub |
| Material | Cast Iron (no sintered or powdered metal) |
| Weight | 47.704 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 48XHS300 runs XH (0.875 in trapezoidal) belts in 3 in width. The pitch is standardized, so belt and pulley brands can be mixed.
Cross Reference
The 48XHS300 interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Regal Rexnord (Browning®) | 48XHS300 |
| Powerdrive | 48XHS300 |
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 48XHS300 pulley?
XH (0.875 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 48XHS300 replace the Regal Rexnord 48XHS300?
Yes. Published interchange data crosses the 48XHS300 directly to the Regal Rexnord 48XHS300, as well as Powerdrive 48XHS300. Verify dimensions and bore before ordering.
Does the 48XHS300 ship from Houston?
Yes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability.
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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