Product Description
Sealmaster SF-20 Flange-Mount Ball Bearing Unit
4-Bolt Flange, 1.2500 in Bore, Cast Iron Housing Material, Standard Duty, Set Screw Locking, Felt Labyrinth Seal Seal
- Powder coated epoxy cast iron housing with extended inner ring bearings
- 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
| Bore Type | Round |
|---|---|
| Duty Type | Standard Duty |
| Mounting Type | 4-Bolt Flange |
| Bore Diameter | 1.2500 in |
| Bolt Center-to-Center Length | 3.6250 in |
| Housing Material | Cast Iron |
| Locking Device | Set Screw |
| Expansion Type | Non-Expansion / Fixed |
| Overall Length/Diameter | 4.6250 in |
| Overall Height | 1.7500 in |
| Housing Width | 4.6250 in |
| Overall Width | 4.6250 in |
| Inner Ring Width | 1.8590 in |
| Bearing Material | 52100 Steel/Black Oxide |
| Radial Dynamic Load Capacity | 5782 lbs |
| Radial Static Load Capacity | 3493 lbs |
| Seal Type | Felt Labyrinth Seal |
| Length Through Bore | 1.6875 in |
| Operating Temperature Range | -20° to 220 °F |
| Maximum Operating Temperature | 220 °F |
| Finish/Coating | Black Oxide |
| Bolt Size | 0.3750 in |
| Maximum RPM | 4650 rpm |
| Lubrication Type | Relubricatable |
| Series | SF |
| Replacement Bearing | 2-14 |
| Color | Gray |
| Lubricant | Lithium Complex NLGI 2 Grease |
| Manufacturer Catalog Number | SF-20 |