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Sealmaster RFB 208
Sealmaster Mounted Cast Iron Four Bolt Flange Tapered Roller - 52100 Bearing Steel - Double Collar Mount Lock - RFB 208
Series
RFB
Measure Units
Inch
Bore Shape
Straight
Rolling Element
Tapered Roller
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 | 550256 |
| Brand | Sealmaster |
| Measure Units | Inch |
| Bore Shape | Straight |
| Rolling Element | Tapered Roller |
| Expansion | Non-Expansion Bearing (Fixed) |
| Housing Material | Cast Iron |
| Seal Type | Felt Labyrinth Seal |
| Housing Type | Flange, Four Bolt |
| Housing Base | Solid |
| Insert Material | 52100 Bearing Steel |
| Speed (Max) | 2000 |
| Overall Width (in) | 4.1875 |
| Overall Length (in) | 6.875 |
| Bolt Center Diameter (in) | 7.6094 |
| Bolt Size (in) | 0.625 |
| Housing Width (in) | 6.875 |
| Bolt Center-to-Center Length (in) | 5.3750 |
| Pilot Configuration | No Pilot |
| Internal Clearance | Standard |
| Housing Construction | Split Two Piece |
| Misalignment | ±3.0° Misalignment - Static Only |
| Locking Type | Double Collar Mount |
| Overall Height (in) | 4.188 |
| Radial Dynamic Load Capacity (lb) | 9,030 |
| Bore Size - Inch | 2.5 |
| Retainer Material | Steel |
| Platform | RPB Series |
| End Cap | No |
| Replaceable Insert | Yes |
| Misalignment Type | Static Only |
| Bearing Insert Coating | Uncoated |
| Housing Color | Gray |
| Outer Ring Land Profile | Standard |
| Foot Height (in) | 1.5 |
| Inner Race Length (in) | 4 |
| Centerline to Front Face (in) | 2 |
| Series | RFB |
| Grease Fitting Thread Size | 1/8 NPT |
| Ability to Relubricate | Yes |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Collar Outer Diameter (in) | 3.938 |
| Duty/Series | Standard |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Insert Number | RCI-208 |
| Housing Style | Flange Block |
| Maximum Operating Temperature (F) | 220 |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RFB 208 |
| Mfg. Part Numberi | 550256 |
| GDS #i | GDS-113958 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Flange Units / Square Flange |
| UPCi | 662288480310 |
