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Sealmaster ERPB 303-C2
EXP PILLOW BLK STK
Series
ERPB
Rolling Element
Tapered Roller
Measure Units
Inch
Expansion
Yes
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 contact flinger seal
- Double-collar interlock with 120° spacing setscrew lock, diamond faceted setscrews
- Powder coat epoxy 2-bolt split cast iron housing
| Part Number | 551298 |
| Brand | Sealmaster |
| Rolling Element | Tapered Roller |
| Measure Units | Inch |
| Expansion | Yes |
| Seal Type | Single Lip Contact Seal |
| Housing Material | Cast Iron |
| Housing Base | Solid |
| Housing Type | Pillow Block, Two Bolt |
| Insert Material | 52100 Bearing Steel |
| Bolt Size (in) | 0.875 |
| Housing Construction | Split Two Piece |
| Overall Length (in) | 13.75 |
| Base Width (in) | 4.516 |
| Overall Height (in) | 7.938 |
| Overall Width (in) | 5 |
| Speed (Max) | 1500 |
| Internal Clearance | Standard |
| Bore Shape | Straight |
| Radial Dynamic Load Capacity (lb) | 15,320 |
| Locking Type | Double Collar Mount |
| Misalignment | ±3.0° Misalignment - Static Only |
| Misalignment Type | Static Only |
| End Cap | No |
| Replaceable Insert | Yes |
| Outer Ring Land Profile | Standard |
| Retainer Material | Steel |
| Bearing Insert Coating | Uncoated |
| Bore Size - Inch | 3.1875 |
| Platform | RPB Series |
| Housing Color | Gray |
| Bolt Center Min (in) | 10.125 |
| Base to Center Height (in) | 3.75 |
| Inner Race Length (in) | 5 |
| Bolt Center Max (in) | 11.25 |
| Centerline to Front Face (in) | 2.5 |
| Foot Height (in) | 2.063 |
| Series | ERPB |
| Grease Fitting Thread Size | 1/8 NPT |
| Housing Style | Pillow Block |
| Collar Outer Diameter (in) | 5.438 |
| Insert Number | ERCI-303C |
| Ability to Relubricate | Yes |
| Duty/Series | Standard |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Maximum Operating Temperature (F) | 220 |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | ERPB 303-C2 |
| Mfg. Part Numberi | 551298 |
| GDS #i | GDS-114086 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Pillow Blocks |
| UPCi | 662288482086 |
