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- 4-Bolt Flange Type
- Cast Iron Housing Material
- Black Oxide Bearing Insert Coating
- Set Screw Locking Type
features
- Powder coated epoxy cast iron housed, extended inner ring bearings in expansion ring allowing for axial expansion
- Zone hardened inner ring with 120° spacing setscrew locking with diamond faceted setscrews
- Felt labyrinth seal and flinger for dry & dusty environment
- Unique land riding retainer design provides superior pocket clearance that allows for 360° grease circulation around the rolling elements resulting in better retained and utilized lubrication.
- Sealmaster® exclusive lock & pin dimple for direct lubrication and anti-rotation
| Bearing Design | Expansion |
| Insert Material | 52100 Bearing Steel, Black Oxided |
| Maximum Operating Temperature | 220 |
| Bearing Type | Ball Bearing |
| Angle of Misalignment | ±2° |
| Locking Device | Setscrew Locking Collar |
| Housing Construction | One Piece |
| Seal Type | Felt Labyrinth |
| Inner Race Heat Treat Method | Zone-Hardened |
| End Cap | No |
| Duty Series | Medium |
| Bore Size | 3.938 in |
| Shaft Dia. | 3.9375 in |
| Bolt Circle Dia. | N/A |
| Platform | Gold Line Ball Bearing |
| Expansion | Yes |
| Housing Length | 10 9/16 in |
| Bolt Center-to-Center Length | 8.313 in |
| Retainer Type | Land Riding |
| Bore Shape | Straight |
| Flange Type | 4-Bolt Flange |
| Misalignment Type | Static Only |
| Mounted Unit Duty | Medium Duty |
| Series | MSF |
| Relubricatable | Yes |
| Housing Base | Solid |
| Housing Color | Gray |
| Inner Race Length | 4.625 in |
| Bolt Size (in) | 1 |
| Lubrication | Lithium Complex NLGI 2 Grease |
| Locking Type | Setscrew |
| Operating Temperature [Max] | 220 °F |
| Housing Material | Cast Iron |
| Overall Height | 5 in |
| Centerline to Front Face | 2.688 in |
| Insert No. | AR-3-315 |
| Rolling Element | Ball |
| Foot Height (in) | 1.25 |
| Inner Ring O.D. | 5.1719999999999997 |
| Speed [Max] | 1700 rpm |
| Measure Units | Inch |
| Bolt Hole Spacing | 8 5/16 in |
| Pilot Configuration | No Pilot |
| Bore Size - Inch | 3.938 |
| Bolt Center-to-Center Length (in) | 8.3125 |
| Foot Height | 1.25 in |
| Replaceable Insert | Yes |
| Centerline to Front Face (in) | 2.6875 |
| End Type | Open End |
| Overall Height (in) | 5 |
| Inner Race Length (in) | 4.625 |
| Outer Ring Land Profile | Standard |
| Housing Type | Flange |
| Inch/Metric | Inch |
| Bearing Insert Coating | Black Oxide |
| Internal Clearance | Standard |
| Inner Ring OD (in) | 5.171875 |
| T Core | 7.44 |
| Weight | 55.1 LB |
| EAN or UPC | 662461001103 |
