PEER Chain
PEER Chain PC100B21HF - ANSI 100, 21T Finished Bore
Model: PC100B21HF
PEER Chain PC100B21HF finished bore B-hub roller chain sprocket. Single strand, ANSI #100 (1.25" pitch) chain, 21 teeth. Finished bore with keyway aligned to tooth center, two set screws at 0° and 90°. Carbon steel with hardened teeth, black oxide finish. Meets ANSI B29.1 standard.
Technical Specifications
| ANSI Number | 100 |
| Teeth | 21 |
| Hub Style | Type B |
| Bore Type | Finished |
| Bore Size | 1.25 |
| Bore Range Min | 1.0 |
| Bore Range Max | 5.0 |
| Hardened Teeth | Yes |
| Pitch Diameter (in) | 8.387 |
| Outer Diameter (in) | 9.137 |
| Material | Carbon Steel |
| LTB (in) | 1.625 |
| Strand | Single |
| Standard | ANSI B29.1 |
| Finish | Black Oxide |
| Set Screws | 2 |
Manufacturer
PEER Chain
PEER Chain — family-owned manufacturer of ANSI roller chain, PEER Quest solid-bushing chain, and matching sprockets. Serves industrial, agricultural, and material handling applications across ANSI #25–#240.
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