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Sealmaster RPB 203-2
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Tapered Roller - 52100 Bearing Steel - Double Collar Mount Lock - RPB 203-2
Series
RPB
Insert Material
52100 Bearing Steel
Housing Material
Cast Iron
Measure Units
Inch
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 | 550215 |
| Brand | Sealmaster |
| Insert Material | 52100 Bearing Steel |
| Housing Material | Cast Iron |
| Measure Units | Inch |
| Expansion | No |
| Housing Type | Pillow Block, Two Bolt |
| Seal Type | Felt Labyrinth Seal |
| Housing Base | Solid |
| Rolling Element | Tapered Roller |
| Overall Height (in) | 5.125 |
| Bolt Size (in) | 0.625 |
| Base Width (in) | 2.563 |
| Overall Width (in) | 3.75 |
| Overall Length (in) | 9.625 |
| Housing Construction | Split Two Piece |
| Internal Clearance | Standard |
| Speed (Max) | 2500 |
| Bore Shape | Straight |
| Locking Type | Double Collar Mount |
| Misalignment | ±3.0° Misalignment - Static Only |
| Radial Dynamic Load Capacity (lb) | 8,570 |
| Housing Color | Gray |
| End Cap | No |
| Platform | RPB Series |
| Bore Size - Inch | 2.1875 |
| Outer Ring Land Profile | Standard |
| Replaceable Insert | Yes |
| Bearing Insert Coating | Uncoated |
| Misalignment Type | Static Only |
| Retainer Material | Steel |
| Bolt Center Min (in) | 6.688 |
| Bolt Center Max (in) | 7.938 |
| Base to Center Height (in) | 2.5 |
| Inner Race Length (in) | 3.75 |
| Foot Height (in) | 1.438 |
| Centerline to Front Face (in) | 1.875 |
| Series | RPB |
| Grease Fitting Thread Size | 1/8 NPT |
| Housing Style | Pillow Block |
| Ability to Relubricate | Yes |
| Collar Outer Diameter (in) | 3.625 |
| Maximum Operating Temperature (F) | 220 |
| Insert Number | RCI-203 |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Duty/Series | Standard |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RPB 203-2 |
| Mfg. Part Numberi | 550215 |
| GDS #i | GDS-113928 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Pillow Blocks |
| UPCi | 662288480013 |
