Find a Service Center
- Non-Expansion Ball Bearing Flange Unit
- 4-Bolt Flange
- 2 1/2 in Shaft Diameter
- 8 3/16 in Housing Length
- 3 5/64 in Overall Width
features
- Provides greater rigidity when mounted than two-bolt flanges
- Single-lip seal with flinger
- Self-aligning: outer bearing surface and internal housing surface are spherical
- Setscrew locking collar
- Unique, secure fitting even in cases where bearing is subjected to intense vibrations or shocks
- Higher-rated load capacity than that of corresponding self-aligning ball bearings
- Lightweight-yet-strong housing
- Easy mounting
- Accurate fitting of the housing
- Replaceable - new bearing can be fitted to existing housing
| Inch/Metric | Inch |
| Flange Thickness | 7/8 in |
| Housing Height | 7 11/16 in |
| Bolt Circle Dia. | 6.531 in |
| Bolt Hole Spacing | 5 29/32 in, 6.531 in |
| Mounted Unit Duty | Heavy-Duty |
| Bolt Size | 3/4 |
| Length Through Bore | 2.953 in |
| Style | 4-Bolt Flange |
| Locking Device | Setscrew Locking Collar |
| Seal Type | Contact Seals, Contact Seals w/Flingers |
| Dynamic Load Rating | 20800 lbf |
| Housing Construction | 1 Piece |
| Housing Material | Cast Iron |
| Bearing Insert | UC313-208D1 |
| Static Load Rating [Max] | 13500 lbf |
| Temperature Range [Min] | -40 °F |
| Limiting Speed | 2200 rpm |
| Temperature Range [Max] | 225 °F, 250 °F |
| Overall Width | 3 5/64 in |
| Center Of Bearing From End | 1 |
| Shaft Dia. | 2.5 in |
| Flange Type | 4-Bolt Flange |
| Seal Material | Nitrile Rubber |
| End Type | Open End |
| Lubrication | Relubricatable |
| Bearing Type | Ball Bearing |
| Bearing Design | Non-Expansion |
| Housing Length | 8 3/16 in |
| Center of Bearing to Back of Inner Ring | 1.181 in |
| Flange Style | 4-Bolt Square |
| Housing Width | 7 11/16 in |
| Housing No. | F313D1 |
| Series | UCF |
| Bolt Hole Size | 29/32 in |
| Weight | 17.637 LB |
| EAN or UPC | 4547359502435 |
