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Sealmaster RFB 204
Sealmaster Mounted Cast Iron Four Bolt Flange Tapered Roller - 52100 Bearing Steel - Double Collar Mount Lock
Series
RFB
Seal Type
Felt Labyrinth Seal
Housing Type
Flange, Four Bolt
Insert Material
52100 Bearing Steel
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 | 550254 |
| Brand | Sealmaster |
| Seal Type | Felt Labyrinth Seal |
| Housing Type | Flange, Four Bolt |
| Insert Material | 52100 Bearing Steel |
| Rolling Element | Tapered Roller |
| Measure Units | Inch |
| Housing Base | Solid |
| Bore Shape | Straight |
| Housing Material | Cast Iron |
| Speed (Max) | 2000 |
| Expansion | Non-Expansion Bearing (Fixed) |
| Overall Width (in) | 4.1875 |
| Bolt Size (in) | 0.625 |
| Housing Width (in) | 6.875 |
| Overall Length (in) | 6.875 |
| Bolt Center Diameter (in) | 7.6094 |
| Bolt Center-to-Center Length (in) | 5.375 |
| Pilot Configuration | No Pilot |
| Housing Construction | Split Two Piece |
| Overall Height (in) | 4.188 |
| Misalignment | ±3.0° Misalignment - Static Only |
| Locking Type | Double Collar Mount |
| Internal Clearance | Standard |
| Bearing Insert Coating | Uncoated |
| Replaceable Insert | Yes |
| Bore Size - Inch | 2.25 |
| Housing Color | Gray |
| Misalignment Type | Static Only |
| End Cap | No |
| Retainer Material | Steel |
| Outer Ring Land Profile | Standard |
| Platform | RPB Series |
| Centerline to Front Face (in) | 2 |
| Foot Height (in) | 1.5 |
| Inner Race Length (in) | 4 |
| Series | RFB |
| Grease Fitting Thread Size | 1/8 NPT |
| Housing Style | Flange Block |
| Insert Number | RCI-204 |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Collar Outer Diameter (in) | 3.938 |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Duty/Series | Standard |
| Maximum Operating Temperature (F) | 220 |
| Ability to Relubricate | Yes |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RFB 204 |
| Mfg. Part Numberi | 550254 |
| GDS #i | GDS-113956 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Flange Units / Square Flange |
| UPCi | 662288480297 |
