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- 25 Chain Number
- 1 Strand
- 21 Teeth
- Without Hardened Teeth
- B Sprocket Style
description
- Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to keyseat.
features
- Manufactured of 303/304 stainless steel
- Precise machining and processes ensure consistent finish and high quality
- Bores are concentric to pitch line, minimizing run out
| Bore Range [Min] | 0.25 in |
| Bore Style | Minimum Bore |
| Outside Dia. [Min] | 1.809 in |
| Martin No. | 25B21 |
| Single Strand Tooth Thickness | 0.11 in |
| No. of Strands Across | 1 |
| Sprocket Style | B |
| Chain Pitch | 0.25 in |
| Material | Stainless Steel |
| Hub Dia. | 1 3/8 in |
| Hub Projection | 33/64 in |
| Caliper Diameter | 1.543 in |
| Chain No. | 25 |
| Inch/Metric | Inch |
| Hardened Teeth | Without Hardened Teeth |
| Length Through Bore | 0.625 in |
| Bore Type | Reborable |
| Outside Dia. | 1.809 in |
| Bore Range [Max] | 0.875 in |
| Hub Length Thru | 0.515 in |
| Series | B |
| Family Name | No. 25 - 1/4 in Pitch - Single - Plain Stock Bore |
| No. of Teeth | 21 |
| Width Across Teeth | 0.11 in |
| Pitch Diameter | 1.677 in |
| Weight | 0.27 LB |
| EAN or UPC | 697950065311 |
