SKF PHFM-4-7/8 — QD (Quick Disconnect) bushing
SKF · Bearings & Power Transmission · QD Bushings
SKF PHFM-4-7/8 qd (quick disconnect) bushing. Flanged split-taper bushing that clamps a QD-hub pulley, sprocket or coupling to a shaft using screws inserted from either side (forward-mount or reverse-mount). Standard series JA, SH, SDS, SD, SK, SF, E, F, J, M, N, P, S, W. De-facto industry standard. Designation follows the SKF alphanumeric identification convention where the numeric block encodes the boundary plan and the suffix declares execution options (material, sealing, cage, precision, clearance, lubricant). Genuine SKF supply carries the SKF logo etch or moulded mark and hologram-authenticated packaging.
Specifications
- Part number
- PHFM-4-7/8
- HS code
- 8483.50
- Material
- As declared by SKF designation suffix
- Temperature range
- Per SKF product data
- Standard
- SKF designation convention (see description for governing ISO / DIN)
Compatibility
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.
Also known as — OEM cross-references & superseded numbers
- Dodge 478
- Browning 478
- Martin Sprocket 478
- Competitor equivalent: 478 (Dodge)
- Competitor equivalent: 478 (Browning)
- Competitor equivalent: 478 (Martin Sprocket)
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