F4B 208-SRB-SRH
Flanged roller bearing unit with cast housingFlanged roller bearing units consist of an insert bearing mounted in a cast housing that can be bolted to a machine wall or frame. In addition to being part of a unit, some flanged housings for insert bearings are available as separate components. The SKF assortment includes roller bearing units compliant with several industrial standards, meeting many requirements regarding bolt patterns and mechanisms for locking onto on the shaft.
- Ready to mount
- Factory lubricated and sealed
- Long service life
- Minimal maintenance
- Variety of housing shapes, materials and locking methods
Description
Dimensions
| Shaft diameter | 63.5 mm |
| Housing overall width | 67.469 mm |
| Overall width, total | 90.488 mm |
| Centre distance between bolt holes | 121.437 mm |
| Attachment bolt diameter | 15.875 mm |
| Bearing width, total | 85.725 mm |
Performance
| Basic dynamic load rating | 148 kN |
| Basic static load rating | 183 kN |
| Limiting speed | 3 100 r/min |
Properties
| Housing type | Flanged |
| Flanged housing type | Square |
| Number of bolt holes for fasteners | 4 |
| Bearing insert | Spherical roller bearing |
| Retaining feature, inner ring | Set screws |
| Bearing position | Locating |
| Bore type | Cylindrical |
| Material, housing | Cast iron |
| Material, bearing | Bearing steel |
| Coating | Without |
| Bearing housing seal type | Radial lip seal |
| Sealing, unit | Without |
| Lubricant | Grease |
| Relubrication hole | With |
| Grease fitting | With |
