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Sealmaster RPB 307-2
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Tapered Roller - 52100 Bearing Steel - Double Collar Mount Lock - RPB 307-2
Series
RPB
Housing Material
Cast Iron
Seal Type
Felt Labyrinth Seal
Expansion
No
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 2-bolt split cast iron housing
| Part Number | 550225 |
| Brand | Sealmaster |
| Housing Material | Cast Iron |
| Seal Type | Felt Labyrinth Seal |
| Expansion | No |
| Measure Units | Inch |
| Housing Base | Solid |
| Rolling Element | Tapered Roller |
| Insert Material | 52100 Bearing Steel |
| Housing Type | Pillow Block, Two Bolt |
| Overall Width (in) | 5 |
| Overall Height (in) | 7.75 |
| Base Width (in) | 4.125 |
| Bolt Size (in) | 0.875 |
| Overall Length (in) | 13.75 |
| Housing Construction | Split Two Piece |
| Radial Dynamic Load Capacity (lb) | 15,320 |
| Speed (Max) | 1500 |
| Internal Clearance | Standard |
| Locking Type | Double Collar Mount |
| Misalignment | ±3.0° Misalignment - Static Only |
| Bore Shape | Straight |
| Replaceable Insert | Yes |
| Platform | RPB Series |
| Misalignment Type | Static Only |
| End Cap | No |
| Bore Size - Inch | 3.4375 |
| Outer Ring Land Profile | Standard |
| Retainer Material | Steel |
| Bearing Insert Coating | Uncoated |
| Housing Color | Gray |
| Inner Race Length (in) | 5 |
| Bolt Center Max (in) | 11.25 |
| Foot Height (in) | 2.063 |
| Base to Center Height (in) | 3.75 |
| Centerline to Front Face (in) | 2.5 |
| Bolt Center Min (in) | 10.125 |
| Series | RPB |
| Grease Fitting Thread Size | 1/8 NPT |
| Duty/Series | Standard |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Housing Style | Pillow Block |
| Ability to Relubricate | Yes |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Maximum Operating Temperature (F) | 220 |
| Insert Number | RCI-307 |
| Collar Outer Diameter (in) | 5.438 |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RPB 307-2 |
| Mfg. Part Numberi | 550225 |
| GDS #i | GDS-113937 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Pillow Blocks |
| UPCi | 662288480105 |
