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Sealmaster RPB 303-2
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Tapered Roller - 52100 Bearing Steel - Double Collar Mount Lock - RPB 303-2
Series
RPB
Insert Material
52100 Bearing Steel
Housing Material
Cast Iron
Housing Base
Solid
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 | 550223 |
| Brand | Sealmaster |
| Insert Material | 52100 Bearing Steel |
| Housing Material | Cast Iron |
| Housing Base | Solid |
| Seal Type | Felt Labyrinth Seal |
| Rolling Element | Tapered Roller |
| Measure Units | Inch |
| Housing Type | Pillow Block, Two Bolt |
| Expansion | No |
| Overall Length (in) | 13.75 |
| Bolt Size (in) | 0.875 |
| Base Width (in) | 4.125 |
| Housing Construction | Split Two Piece |
| Overall Height (in) | 7.75 |
| Overall Width (in) | 5 |
| Radial Dynamic Load Capacity (lb) | 15,320 |
| Bore Shape | Straight |
| Misalignment | ±3.0° Misalignment - Static Only |
| Internal Clearance | Standard |
| Speed (Max) | 1500 |
| Locking Type | Double Collar Mount |
| Retainer Material | Steel |
| Bearing Insert Coating | Uncoated |
| Housing Color | Gray |
| Bore Size - Inch | 3.1875 |
| Replaceable Insert | Yes |
| Platform | RPB Series |
| Outer Ring Land Profile | Standard |
| Misalignment Type | Static Only |
| End Cap | No |
| Bolt Center Max (in) | 11.25 |
| Centerline to Front Face (in) | 2.5 |
| Inner Race Length (in) | 5 |
| Base to Center Height (in) | 3.75 |
| Foot Height (in) | 2.063 |
| Bolt Center Min (in) | 10.125 |
| Series | RPB |
| Grease Fitting Thread Size | 1/8 NPT |
| Ability to Relubricate | Yes |
| Duty/Series | Standard |
| Collar Outer Diameter (in) | 5.438 |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Housing Style | Pillow Block |
| Insert Number | RCI-303 |
| Maximum Operating Temperature (F) | 220 |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RPB 303-2 |
| Mfg. Part Numberi | 550223 |
| GDS #i | GDS-113936 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Pillow Blocks |
| UPCi | 662288480099 |
Related Products
Replaces Legacy Parts
This product is a direct replacement for the following discontinued part numbers. Customers searching for these legacy SKUs will find this page.
- 554284Sealmaster RPB 303-2 AHDiscontinued