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Sealmaster RPBXT 315-4
PILLOW BLOCK RPBXT
Series
RPBXT
Housing Type
Pillow Block, Four Bolt
Insert Material
52100 Bearing Steel
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 4-bolt split cast iron housing
| Part Number | 550351 |
| Brand | Sealmaster |
| Housing Type | Pillow Block, Four Bolt |
| Insert Material | 52100 Bearing Steel |
| Housing Base | Solid |
| Rolling Element | Tapered Roller |
| Seal Type | Felt Labyrinth Seal |
| Housing Material | Cast Iron |
| Measure Units | Inch |
| Expansion | No |
| Housing Construction | Split Two Piece |
| Internal Clearance | Standard |
| Base Width (in) | 4.75 |
| Bolt Size (in) | 0.75 |
| Overall Length (in) | 16.5 |
| Misalignment | ±3.0° Misalignment - Static Only |
| Overall Width (in) | 6.25 |
| Bore Shape | Straight |
| Locking Type | Double Collar Mount |
| Bolt Center-to-Center Length (in) | 13.505 |
| Radial Dynamic Load Capacity (lb) | 20,980 |
| Speed (Max) | 1250 |
| Overall Height (in) | 9.313 |
| Platform | RPB Series |
| End Cap | No |
| Misalignment Type | Static Only |
| Housing Color | Gray |
| Bore Size - Inch | 3.9375 |
| Retainer Material | Steel |
| Bearing Insert Coating | Uncoated |
| Outer Ring Land Profile | Standard |
| Replaceable Insert | Yes |
| Centerline to Front Face (in) | 3.125 |
| Base to Center Height (in) | 4.938 |
| Bolt Center Max (in) | 14.125 |
| Inner Race Length (in) | 6.25 |
| Bolt Center Min (in) | 12.875 |
| Foot Height (in) | 2 |
| Series | RPBXT |
| Grease Fitting Thread Size | 1/8 NPT |
| Housing Style | Pillow Block |
| Maximum Operating Temperature (F) | 220 |
| Duty/Series | Standard |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Insert Number | RCI-315 |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Collar Outer Diameter (in) | 6 |
| Ability to Relubricate | Yes |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RPBXT 315-4 |
| Mfg. Part Numberi | 550351 |
| GDS #i | GDS-113995 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Pillow Blocks |
| UPCi | 662288744221 |
