SKF PHFTB3525X1.875 taper bushing. Split conical bushing that clamps a pulley, sprocket or coupling to a shaft by cap-screw wedging action. Removed and re-installed non-destructively. Standard series 1008, 1108, 1210, 1215, 1310, 1610, 1615, 2012, 2517, 3020, 3030, 3535, 4040, 4535, 5040. Dimensioned to a de-facto industry standard adopted by every major transmission OEM.
| Type | Taper bushing |
| Designation | SKF PHFTB3525X1.875 |
| HS code | 8483.50 |
| Outside diameter | 127 mm |
| Width | 63.5 mm |
| Bushing number | 3525 |
| Category | Taper bushings |
| Material | Cast iron |
| Product net weight | 4.12 kg |
| eClass code | 23-05-19-01 |
| UNSPSC code | 31171605 |
| Material | As declared by SKF designation suffix |
| Temperature range | Per SKF product data |
| Primary standard | SKF designation convention (see description for governing ISO / DIN) |
| MOQ | 1 |
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.