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Sealmaster RFB 115
Sealmaster Mounted Cast Iron Four Bolt Flange Tapered Roller - 52100 Bearing Steel - Double Collar Mount Lock - RFB 115
Series
RFB
Housing Type
Flange, Four Bolt
Measure Units
Inch
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 | 550251 |
| Brand | Sealmaster |
| Housing Type | Flange, Four Bolt |
| Measure Units | Inch |
| Housing Material | Cast Iron |
| Expansion | Non-Expansion Bearing (Fixed) |
| Rolling Element | Tapered Roller |
| Bore Shape | Straight |
| Insert Material | 52100 Bearing Steel |
| Housing Base | Solid |
| Speed (Max) | 2500 |
| Seal Type | Felt Labyrinth Seal |
| Bolt Size (in) | 0.5 |
| Overall Length (in) | 5.625 |
| Bolt Center Diameter (in) | 6.1875 |
| Bolt Center-to-Center Length (in) | 4.3750 |
| Overall Width (in) | 3.625 |
| Housing Width (in) | 5.625 |
| Pilot Configuration | No Pilot |
| Internal Clearance | Standard |
| Locking Type | Double Collar Mount |
| Overall Height (in) | 3.625 |
| Misalignment | ±3.0° Misalignment - Static Only |
| Radial Dynamic Load Capacity (lb) | 8,070 |
| Housing Construction | Split Two Piece |
| Bore Size - Inch | 1.9375 |
| Misalignment Type | Static Only |
| Outer Ring Land Profile | Standard |
| Retainer Material | Steel |
| Platform | RPB Series |
| Housing Color | Gray |
| End Cap | No |
| Replaceable Insert | Yes |
| Bearing Insert Coating | Uncoated |
| Inner Race Length (in) | 3.5 |
| Foot Height (in) | 1.188 |
| Centerline to Front Face (in) | 1.75 |
| Series | RFB |
| Grease Fitting Thread Size | 1/8 NPT |
| Insert Number | RCI-115 |
| Duty/Series | Standard |
| Ability to Relubricate | Yes |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Collar Outer Diameter (in) | 3.25 |
| Maximum Operating Temperature (F) | 220 |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Housing Style | Flange Block |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RFB 115 |
| Mfg. Part Numberi | 550251 |
| GDS #i | GDS-113953 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Flange Units / Square Flange |
| UPCi | 662288480266 |
