SKF UCF311 — Flanged ball bearing unit (UCF / UCFC / UCFL)
SKF · Bearings & Power Transmission · Flanged Ball Bearing Units
SKF UCF311 flanged ball bearing unit (ucf / ucfc / ucfl). Square four-bolt (UCF), round three-bolt (UCFC) or oval two-bolt (UCFL) flanged housing pre-assembled with a spherical-outer-ring insert bearing. Absorbs shaft-to-housing misalignment on assembly. Set-screw shaft attachment on standard UC-series insert; eccentric-collar (UEL) or adapter-sleeve (UK) variants available. Dimensioned to ISO 3228 / DIN 626. Designation follows the SKF alphanumeric identification convention where the numeric block encodes the boundary plan and the suffix declares execution options. Shaft bore diameter 155 mm per ISO 3228 boundary plan.
Specifications
- Part number
- UCF311
- HS code
- 8483.20
- Material
- As declared by SKF designation suffix
- Dimensions
- Shaft bore 155 mm
- Temperature range
- Per SKF product data
- Standard
- SKF designation convention
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Also known as — OEM cross-references & superseded numbers
- NTN 311
- NSK 311
- FAG 311
- Koyo 311
- ASAHI 311
- Competitor equivalent: 311 (NTN)
- Competitor equivalent: 311 (NSK)
- Competitor equivalent: 311 (FAG)
- Competitor equivalent: 311 (Koyo)
- Competitor equivalent: 311 (ASAHI)
Bearings & Power Transmission · More SKF · Printable datasheet