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Sealmaster RPB 300-2
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Tapered Roller - 52100 Bearing Steel - Double Collar Mount Lock - RPB 300-2
Series
RPB
Housing Base
Solid
Seal Type
Felt Labyrinth Seal
Insert Material
52100 Bearing Steel
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 | 550222 |
| Brand | Sealmaster |
| Housing Base | Solid |
| Seal Type | Felt Labyrinth Seal |
| Insert Material | 52100 Bearing Steel |
| Expansion | No |
| Housing Material | Cast Iron |
| Measure Units | Inch |
| Rolling Element | Tapered Roller |
| Housing Type | Pillow Block, Two Bolt |
| Bolt Size (in) | 0.75 |
| Base Width (in) | 3 |
| Overall Height (in) | 6.375 |
| Housing Construction | Split Two Piece |
| Overall Length (in) | 11.75 |
| Overall Width (in) | 4.5 |
| Internal Clearance | Standard |
| Misalignment | ±3.0° Misalignment - Static Only |
| Bore Shape | Straight |
| Speed (Max) | 1750 |
| Locking Type | Double Collar Mount |
| Radial Dynamic Load Capacity (lb) | 9,630 |
| Outer Ring Land Profile | Standard |
| Bore Size - Inch | 3 |
| Platform | RPB Series |
| Retainer Material | Steel |
| Misalignment Type | Static Only |
| End Cap | No |
| Replaceable Insert | Yes |
| Bearing Insert Coating | Uncoated |
| Housing Color | Gray |
| Foot Height (in) | 1.75 |
| Inner Race Length (in) | 4.5 |
| Centerline to Front Face (in) | 2.25 |
| Bolt Center Max (in) | 9.688 |
| Bolt Center Min (in) | 8.063 |
| Base to Center Height (in) | 3.125 |
| Series | RPB |
| Grease Fitting Thread Size | 1/8 NPT |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Insert Number | RCI-300 |
| Maximum Operating Temperature (F) | 220 |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Duty/Series | Standard |
| Collar Outer Diameter (in) | 4.719 |
| Housing Style | Pillow Block |
| Ability to Relubricate | Yes |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RPB 300-2 |
| Mfg. Part Numberi | 550222 |
| GDS #i | GDS-113935 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Pillow Blocks |
| UPCi | 662288480082 |
