Power Transmission > Sprockets > Roller Chain Sprockets > Single Strand Roller Chain Sprockets > 25 Chain Sprockets > #25 B-Hub Sprockets
25B20 Sprocket With Stock Bore
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25B20 Sprocket Dimensions

- Sprocket Size: 25B20
- Tooth Count: 20
- Hub Style: B
- Outside Diameter (O.D): 1.729"
- Stock Bore: 1/4"
- Recommended Maximum Bore: 7/8"
- Hub Diameter: 1-9/32"
- Length Thru Bore: 5/8"
- Sprocket Weight: 0.25 LBS
- Common Interchanges: 25B20H, H25B20, 25B20-SB
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- Sprocket Size: 25B20
- Tooth Count: 20
- Hub Style: B
- Outside Diameter (O.D): 1.729"
- Stock Bore: 1/4"
- Recommended Maximum Bore: 7/8"
- Hub Diameter: 1-9/32"
- Length Thru Bore: 5/8"
- Sprocket Weight: 0.25 LBS
- Common Interchanges: 25B20H, H25B20, 25B20-SB