Home / Categories / Bearings / Mounted / Mounted Tapered Roller Bearings / Flange Units / Square Flange / RFB 211
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Sealmaster RFB 211
FLANGE STK
Series
RFB
Measure Units
Inch
Rolling Element
Tapered Roller
Bore Shape
Straight
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 | 550257 |
| Brand | Sealmaster |
| Measure Units | Inch |
| Rolling Element | Tapered Roller |
| Bore Shape | Straight |
| Housing Type | Flange, Four Bolt |
| Insert Material | 52100 Bearing Steel |
| Housing Base | Solid |
| Expansion | Non-Expansion Bearing (Fixed) |
| Housing Material | Cast Iron |
| Seal Type | Felt Labyrinth Seal |
| Speed (Max) | 1750 |
| Bolt Center Diameter (in) | 8.4844 |
| Overall Length (in) | 7.75 |
| Bolt Center-to-Center Length (in) | 6 |
| Housing Width (in) | 7.75 |
| Overall Width (in) | 4.6875 |
| Bolt Size (in) | 0.75 |
| Pilot Configuration | No Pilot |
| Housing Construction | Split Two Piece |
| Overall Height (in) | 4.688 |
| Internal Clearance | Standard |
| Misalignment | ±3.0° Misalignment - Static Only |
| Locking Type | Double Collar Mount |
| Misalignment Type | Static Only |
| Housing Color | Gray |
| Replaceable Insert | Yes |
| Bearing Insert Coating | Uncoated |
| End Cap | No |
| Bore Size - Inch | 2.6875 |
| Outer Ring Land Profile | Standard |
| Platform | RPB Series |
| Retainer Material | Steel |
| Inner Race Length (in) | 4.5 |
| Centerline to Front Face (in) | 2.25 |
| Foot Height (in) | 1.625 |
| Series | RFB |
| Grease Fitting Thread Size | 1/8 NPT |
| Housing Style | Flange Block |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Maximum Operating Temperature (F) | 220 |
| Insert Number | RCI-211 |
| Ability to Relubricate | Yes |
| Duty/Series | Standard |
| Collar Outer Diameter (in) | 4.75 |
| Lubrication Type | Lithium; EP; NLGI#2 |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RFB 211 |
| Mfg. Part Numberi | 550257 |
| GDS #i | GDS-113959 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Flange Units / Square Flange |
| UPCi | 662288480327 |
