Home / Categories / Bearings / Mounted / Mounted Tapered Roller Bearings / Flange Units / Square Flange / RFB 212
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Sealmaster RFB 212
FLANGE STK
Series
RFB
Bore Shape
Straight
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 | 550258 |
| Brand | Sealmaster |
| Bore Shape | Straight |
| Measure Units | Inch |
| Housing Material | Cast Iron |
| Housing Base | Solid |
| Seal Type | Felt Labyrinth Seal |
| Housing Type | Flange, Four Bolt |
| Rolling Element | Tapered Roller |
| Speed (Max) | 1750 |
| Expansion | Non-Expansion Bearing (Fixed) |
| Insert Material | 52100 Bearing Steel |
| Housing Width (in) | 7.75 |
| Bolt Size (in) | 0.75 |
| Overall Length (in) | 7.75 |
| Bolt Center Diameter (in) | 8.4844 |
| Overall Width (in) | 4.6875 |
| Bolt Center-to-Center Length (in) | 6 |
| Pilot Configuration | No Pilot |
| Overall Height (in) | 4.688 |
| Internal Clearance | Standard |
| Locking Type | Double Collar Mount |
| Housing Construction | Split Two Piece |
| Misalignment | ±3.0° Misalignment - Static Only |
| Misalignment Type | Static Only |
| Replaceable Insert | Yes |
| Retainer Material | Steel |
| Bearing Insert Coating | Uncoated |
| Bore Size - Inch | 2.75 |
| End Cap | No |
| Platform | RPB Series |
| Outer Ring Land Profile | Standard |
| Housing Color | Gray |
| Inner Race Length (in) | 4.5 |
| Foot Height (in) | 1.625 |
| Centerline to Front Face (in) | 2.25 |
| Series | RFB |
| Grease Fitting Thread Size | 1/8 NPT |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Duty/Series | Standard |
| Insert Number | RCI-212 |
| Maximum Operating Temperature (F) | 220 |
| Housing Style | Flange Block |
| Ability to Relubricate | Yes |
| Collar Outer Diameter (in) | 4.75 |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RFB 212 |
| Mfg. Part Numberi | 550258 |
| GDS #i | GDS-113960 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Flange Units / Square Flange |
| UPCi | 662288480334 |
