Description
25BF70x1-3/8 Roller Chain Sprocket, #25 Chain, 7 Teeth, B Hub
The 25BF70x1-3/8 is a 7-tooth sprocket for ANSI #25 roller chain with a B style hub, machined from steel. Machined from solid stock, never sintered or powdered metal, which matters on sprockets where tooth wear sets the replacement interval.
$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
| Specification | Value |
|---|---|
| Part Number | 25BF70x1-3/8 |
| Chain Size | ANSI #25 |
| Teeth | 7 |
| Hub Style | B |
| Outside Diameter | 5.717 in |
| Pitch Diameter | 5.572 in |
| Bore | 1-3/8 in finished bore |
| Material | Steel (no sintered or powdered metal) |
| Weight | 1.25 lb |
| Country of Origin | China |
Applications
- Roller chain drives on conveyors and material handling equipment
- Agricultural machinery and implement drives
- Packaging machinery and light industrial drives
Chain Compatibility
ANSI #25 is a standardized roller chain size, so the 25BF70x1-3/8 runs #25 chain from any manufacturer in the same pitch.
Cross Reference
The 25BF70x1-3/8 interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Martin | 25BS70 1 3/8 |
| McMaster-Carr | 2737T357 |
| Powerdrive | 25BF70x1-3/8 |
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 chain does the 25BF70x1-3/8 sprocket run?
ANSI #25 roller chain. The size is standardized, so #25 chain from any manufacturer fits.
Does the 25BF70x1-3/8 replace the Martin 25BS70 1 3/8?
Yes. Published interchange data crosses the 25BF70x1-3/8 directly to the Martin 25BS70 1 3/8, as well as McMaster-Carr 2737T357, Powerdrive 25BF70x1-3/8. Verify dimensions and bore before ordering.
Does the 25BF70x1-3/8 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 25BF70x1-3/8?
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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