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- Non-Expansion Ball Bearing Flange Unit
- 4-Bolt Flange
- 1 3/4 in Shaft Diameter
- 6 5/16 in Housing Length
- 2 23/64 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
| Bearing Type | Ball Bearing |
| Center of Bearing to Back of Inner Ring | 0.866 in |
| Bearing Design | Non-Expansion |
| Seal Type | Contact Seals, Contact Seals w/Flingers |
| Seal Material | Nitrile Rubber |
| Bolt Size | 5/8 |
| Bolt Hole Spacing | 4 59/64 in, 4.922 in |
| Housing Width | 6 5/16 in |
| Center Of Bearing From End | 0.984375 |
| Housing Length | 6 5/16 in |
| Lubrication | Relubricatable |
| Limiting Speed | 3100 rpm |
| Temperature Range [Max] | 225 °F, 250 °F |
| Temperature Range [Min] | -40 °F |
| Mounted Unit Duty | Heavy-Duty |
| Flange Type | 4-Bolt Flange |
| Locking Device | Setscrew Locking Collar |
| Flange Style | 4-Bolt Square |
| Overall Width | 2 23/64 in |
| Dynamic Load Rating | 11900 lbf |
| Bearing Insert | UC309-112D1 |
| Bolt Hole Size | 3/4 in |
| Static Load Rating [Max] | 7200 lbf |
| Length Through Bore | 2.244 in |
| Style | 4-Bolt Flange |
| Inch/Metric | Inch |
| Flange Thickness | 0.71875 in |
| Housing Material | Cast Iron |
| Series | UCF |
| End Type | Open End |
| Bolt Circle Dia. | 4.922 in |
| Housing Height | 6 5/16 in |
| Shaft Dia. | 1.75 in |
| Housing Construction | 1 Piece |
| Housing No. | F309D1 |
| Weight | 7.71 LB |
| EAN or UPC | 4547359219180 |
