SKF X5217-21 — Split pillow-block housing (SNL / SAF / SAW)
SKF · Bearings & Power Transmission · Split Pillow Block Housings
SKF X5217-21 split pillow-block housing (snl / saf / saw). Two-part split cast-iron pillow-block bearing housing accepting a spherical roller bearing on adapter sleeve. Inch series SAF / SAW / SNL, metric SNL. Standard variants oil-lubricated (SN oil ring), grease-lubricated with regreasing groove, sealed with taconite (TSN), triple-labyrinth (TSN-D) or V-ring closures against moisture and abrasive dust. Suitable for marine deck-machinery, cement mill trunnions, paper-mill rolls. 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
- X5217-21
- HS code
- 8483.20
- 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Also known as — OEM cross-references & superseded numbers
- Cooper Split 521721
- Dodge 521721
- Rexnord 521721
- Competitor equivalent: 521721 (Cooper Split)
- Competitor equivalent: 521721 (Dodge)
- Competitor equivalent: 521721 (Rexnord)
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