Description
10J280JA Poly-V Sheave, 1 Ribs, J Section, 2.8 in OD
The 10J280JA is a 1-rib J section Poly-V sheave with a 2.8 in outside diameter, machined from steel. It mounts with an industry-standard JA bushing, sold separately. Poly-V (multi-rib) drives run smoother and allow smaller diameters and higher speed ratios than classical V-belts.
Specifications
| Specification | Value |
|---|---|
| Part Number | 10J280JA |
| Belt Section | J |
| Ribs | 1 |
| Outside Diameter | 2.8 in |
| Pitch Diameter | 2.83 in |
| Bushing | JA series (not included) |
| Material | Steel (no sintered or powdered metal) |
| Finish | Black Oxide |
| Weight | 1.05 lb |
| Country of Origin | United States. ISO 9001:2015 certified manufacturing. |
Applications
- High speed ratio drives on compressors and machine tools
- Appliance, HVAC, and automotive accessory style drives
- Compact drives needing smooth, quiet power transmission
Cross Reference
The 10J280JA interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| TB Woods® | 10J280 |
| Mitsuboshi | 10J280JA |
| Powerdrive | 10J280JA |
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 run on the 10J280JA?
J section Poly-V (multi-rib) belts with up to 1 ribs engaged. The section is standardized across belt manufacturers.
Does the 10J280JA replace the TB Woods 10J280?
Yes. Published interchange data crosses the 10J280JA directly to the TB Woods 10J280, as well as Mitsuboshi 10J280JA, Powerdrive 10J280JA. Verify dimensions and bore before ordering.
Does the 10J280JA 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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