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Sealmaster RFB 207
Sealmaster Mounted Cast Iron Four Bolt Flange Tapered Roller - 52100 Bearing Steel - Double Collar Mount Lock - RFB 207
Series
RFB
Speed (Max)
2000
Measure Units
Inch
Housing Type
Flange, Four Bolt
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 | 550255 |
| Brand | Sealmaster |
| Speed (Max) | 2000 |
| Measure Units | Inch |
| Housing Type | Flange, Four Bolt |
| Insert Material | 52100 Bearing Steel |
| Housing Base | Solid |
| Rolling Element | Tapered Roller |
| Expansion | Non-Expansion Bearing (Fixed) |
| Bore Shape | Straight |
| Housing Material | Cast Iron |
| Seal Type | Felt Labyrinth Seal |
| Housing Width (in) | 6.875 |
| Bolt Center Diameter (in) | 7.6094 |
| Overall Length (in) | 6.875 |
| Bolt Center-to-Center Length (in) | 5.375 |
| Bolt Size (in) | 0.625 |
| Overall Width (in) | 4.1875 |
| Pilot Configuration | No Pilot |
| Internal Clearance | Standard |
| Locking Type | Double Collar Mount |
| Housing Construction | Split Two Piece |
| Misalignment | ±3.0° Misalignment - Static Only |
| Overall Height (in) | 4.188 |
| Bore Size - Inch | 2.4375 |
| Platform | RPB Series |
| Bearing Insert Coating | Uncoated |
| Housing Color | Gray |
| End Cap | No |
| Replaceable Insert | Yes |
| Misalignment Type | Static Only |
| Retainer Material | Steel |
| Outer Ring Land Profile | Standard |
| Foot Height (in) | 1.5 |
| Centerline to Front Face (in) | 2 |
| Inner Race Length (in) | 4 |
| Series | RFB |
| Grease Fitting Thread Size | 1/8 NPT |
| Ability to Relubricate | Yes |
| Duty/Series | Standard |
| Collar Outer Diameter (in) | 3.938 |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Housing Style | Flange Block |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Insert Number | RCI-207 |
| Maximum Operating Temperature (F) | 220 |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RFB 207 |
| Mfg. Part Numberi | 550255 |
| GDS #i | GDS-113957 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Flange Units / Square Flange |
| UPCi | 662288480303 |
