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Sealmaster RFB 315
Sealmaster Mounted Cast Iron Four Bolt Flange Tapered Roller - 52100 Bearing Steel - Double Collar Mount Lock - RFB 315
Series
RFB
Bore Shape
Straight
Seal Type
Felt Labyrinth Seal
Housing Material
Cast Iron
Need help confirming fit? Send us the current part number, shaft size, housing photo, or equipment model.
Product Overview
- Heavy duty tapered roller bearings with steel cage for radial, thrust and combined loading
- Race-mounted felt-lined flinger seal
- Double-collar interlock with 120° spacing setscrew lock, diamond faceted setscrews
- Powder coat epoxy split cast iron housing
| Part Number | 550265 |
| Brand | Sealmaster |
| Bore Shape | Straight |
| Seal Type | Felt Labyrinth Seal |
| Housing Material | Cast Iron |
| Expansion | Non-Expansion Bearing (Fixed) |
| Housing Type | Flange, Four Bolt |
| Speed (Max) | 1250 |
| Rolling Element | Tapered Roller |
| Housing Base | Solid |
| Insert Material | 52100 Bearing Steel |
| Measure Units | Inch |
| Overall Length (in) | 10.25 |
| Housing Width (in) | 10.25 |
| Bolt Center-to-Center Length (in) | 7.7500 |
| Bolt Center Diameter (in) | 10.9531 |
| Overall Width (in) | 6.5 |
| Bolt Size (in) | 0.875 |
| Pilot Configuration | No Pilot |
| Internal Clearance | Standard |
| Locking Type | Double Collar Mount |
| Misalignment | ±3.0° Misalignment - Static Only |
| Housing Construction | Split Two Piece |
| Radial Dynamic Load Capacity (lb) | 20,980 |
| Overall Height (in) | 6.5 |
| Bore Size - Inch | 3.9375 |
| Retainer Material | Steel |
| Bearing Insert Coating | Uncoated |
| Replaceable Insert | Yes |
| Outer Ring Land Profile | Standard |
| Misalignment Type | Static Only |
| Housing Color | Gray |
| Platform | RPB Series |
| End Cap | No |
| Centerline to Front Face (in) | 3.125 |
| Foot Height (in) | 2.125 |
| Inner Race Length (in) | 6.25 |
| Series | RFB |
| Grease Fitting Thread Size | 1/8 NPT |
| Insert Number | RCI-315 |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Duty/Series | Standard |
| Ability to Relubricate | Yes |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Collar Outer Diameter (in) | 6 |
| Maximum Operating Temperature (F) | 220 |
| Housing Style | Flange Block |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RFB 315 |
| Mfg. Part Numberi | 550265 |
| GDS #i | GDS-113966 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Flange Units / Square Flange |
| UPCi | 662288480396 |
