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Sealmaster RPB 315-4
Sealmaster Mounted Cast Iron Four Bolt Pillow Block Tapered Roller - 52100 Bearing Steel - Double Collar Mount Lock - RPB 315-4
Series
RPB
Insert Material
52100 Bearing Steel
Housing Base
Solid
Housing Material
Cast Iron
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 4-bolt split cast iron housing
| Part Number | 550227 |
| Brand | Sealmaster |
| Insert Material | 52100 Bearing Steel |
| Housing Base | Solid |
| Housing Material | Cast Iron |
| Measure Units | Inch |
| Housing Type | Pillow Block, Four Bolt |
| Seal Type | Felt Labyrinth Seal |
| Expansion | No |
| Rolling Element | Tapered Roller |
| Overall Width (in) | 6.25 |
| Overall Height (in) | 8.625 |
| Internal Clearance | Standard |
| Overall Length (in) | 15.25 |
| Bore Shape | Straight |
| Radial Dynamic Load Capacity (lb) | 20,980 |
| Misalignment | ±3.0° Misalignment - Static Only |
| Bolt Size (in) | 0.75 |
| Base Width (in) | 4.5 |
| Bolt Center-to-Center Length (in) | 12 |
| Locking Type | Double Collar Mount |
| Housing Construction | Split Two Piece |
| Speed (Max) | 1250 |
| Misalignment Type | Static Only |
| Bore Size - Inch | 3.9375 |
| Retainer Material | Steel |
| Bearing Insert Coating | Uncoated |
| End Cap | No |
| Replaceable Insert | Yes |
| Housing Color | Gray |
| Outer Ring Land Profile | Standard |
| Platform | RPB Series |
| Bolt Center Max (in) | 13 |
| Inner Race Length (in) | 6.25 |
| Centerline to Front Face (in) | 3.125 |
| Bolt Center Min (in) | 11 |
| Foot Height (in) | 2.438 |
| Base to Center Height (in) | 4.25 |
| Series | RPB |
| Grease Fitting Thread Size | 1/8 NPT |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Insert Number | RCI-315 |
| Ability to Relubricate | Yes |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Maximum Operating Temperature (F) | 220 |
| Collar Outer Diameter (in) | 5.938 |
| Duty/Series | Standard |
| Housing Style | Pillow Block |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RPB 315-4 |
| Mfg. Part Numberi | 550227 |
| GDS #i | GDS-113939 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Pillow Blocks |
| UPCi | 662288480129 |
