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Sealmaster RFB 308
FLANGE STK
Series
RFB
Rolling Element
Tapered Roller
Insert Material
52100 Bearing Steel
Seal Type
Felt Labyrinth Seal
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 | 550264 |
| Brand | Sealmaster |
| Rolling Element | Tapered Roller |
| Insert Material | 52100 Bearing Steel |
| Seal Type | Felt Labyrinth Seal |
| Expansion | Non-Expansion Bearing (Fixed) |
| Speed (Max) | 1500 |
| Housing Material | Cast Iron |
| Measure Units | Inch |
| Housing Base | Solid |
| Housing Type | Flange, Four Bolt |
| Bore Shape | Straight |
| Bolt Size (in) | 0.75 |
| Overall Width (in) | 5.25 |
| Housing Width (in) | 9.25 |
| Overall Length (in) | 9.25 |
| Bolt Center-to-Center Length (in) | 7 |
| Bolt Center Diameter (in) | 9.9063 |
| Pilot Configuration | No Pilot |
| Overall Height (in) | 5.25 |
| Internal Clearance | Standard |
| Housing Construction | Split Two Piece |
| Locking Type | Double Collar Mount |
| Misalignment | ±3.0° Misalignment - Static Only |
| Platform | RPB Series |
| End Cap | No |
| Retainer Material | Steel |
| Outer Ring Land Profile | Standard |
| Housing Color | Gray |
| Misalignment Type | Static Only |
| Bore Size - Inch | 3.5 |
| Bearing Insert Coating | Uncoated |
| Replaceable Insert | Yes |
| Foot Height (in) | 1.875 |
| Centerline to Front Face (in) | 2.5 |
| Inner Race Length (in) | 5 |
| Series | RFB |
| Grease Fitting Thread Size | 1/8 NPT |
| Insert Number | RCI-308 |
| Ability to Relubricate | Yes |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Collar Outer Diameter (in) | 5.5 |
| Maximum Operating Temperature (F) | 220 |
| Duty/Series | Standard |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Housing Style | Flange Block |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RFB 308 |
| Mfg. Part Numberi | 550264 |
| GDS #i | GDS-113965 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Flange Units / Square Flange |
| UPCi | 662288480389 |
