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- Non-Expansion Ball Bearing Flange Unit
- 4-Bolt Flange
- 55 mm Shaft Diameter
- 185 mm Housing Length
- 71 mm 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
- Accurate fitting of the housing
- Replaceable - new bearing can be fitted to existing housing
- Easy mounting
| Flange Thickness | 20 mm |
| Style | 4-Bolt Piloted Flange |
| Temperature Range [Min] | -40 °F |
| Bearing Insert | UC311D1 |
| Locking Device | Setscrew Locking Collar |
| Bolt Hole Size | 23 mm |
| Housing Height | 7 9/32 in |
| Bolt Hole Spacing | 140 mm, 5 33/64 in |
| Bolt Size | 3/4 |
| Length Through Bore | 66 mm |
| Static Load Rating [Max] | 10100 lbf |
| Bolt Circle Dia. | 5 33/64 in |
| Inch/Metric | Metric |
| Housing No. | FS311D1 |
| Housing Width | 7 9/32 in |
| Series | UCFS |
| Center of Bearing to Back of Inner Ring | 25 mm |
| Bearing Design | Non-Expansion |
| Limiting Speed | 2600 rpm |
| Overall Width | 71 mm |
| Bearing Type | Ball Bearing |
| Seal Material | Nitrile Rubber |
| Temperature Range [Max] | 225 °F, 250 °F |
| Center Of Bearing From End | 17 |
| Shaft Dia. | 55 mm |
| Dynamic Load Rating | 16100 lbf |
| End Type | Open End |
| Lubrication | Relubricatable |
| Housing Material | Cast Iron |
| Seal Type | Contact Seals |
| Mounted Unit Duty | Heavy-Duty |
| Housing Construction | 1 Piece |
| Nose Diameter | 150 mm |
| Flange Style | 4-Bolt Square |
| Flange Type | 4-Bolt Flange, Piloted Flange |
| Housing Length | 185 mm |
| Nose Width | 13 |
| Weight | 1.455 LB |
| EAN or UPC | 4547359216608 |
