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Tsubaki 12B1/2517 28T hardened – Sprocket 12B1/2517 28T hardened is a precision-engineered sprocket for use with Sprocket 12B1/2517 28T hardened series roller chains. Manufactured from high-quality steel with tight tolerances to ensure smooth, efficient power transmission and extended service life. Available in pilot bore and taper lock versions.
| NTT product code | 12B1251728Thardened |
|---|---|
| Tsubaki article no. | 21723000325 |
| Standard packaging | P |
| Pitch - P [mm] | 19,05 |
| Roller diameter - D1 [mm] | 12,07 |
| Inner width - B1 [mm] | 11,68 |
| Number of Teeth (Z) | 28 |
| Pitch Diameter (Dp) | 170,13 |
| Outer Diameter (Do) | 178,0 |
| Hub Height (H) | 45 |
| Hub Diameter (Dh) | 108 |
| Single Tooth Width (h1) | 11,10 |
| Taper bush | 2517 |
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