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Sealmaster ERPB 300-C2
EXP PILLOW BLK STK
Series
ERPB
Measure Units
Inch
Insert Material
52100 Bearing Steel
Seal Type
Single Lip Contact Seal
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 | 551297 |
| Brand | Sealmaster |
| Measure Units | Inch |
| Insert Material | 52100 Bearing Steel |
| Seal Type | Single Lip Contact Seal |
| Housing Material | Cast Iron |
| Rolling Element | Tapered Roller |
| Housing Type | Pillow Block, Two Bolt |
| Housing Base | Solid |
| Expansion | Yes |
| Overall Height (in) | 6.563 |
| Base Width (in) | 3.484 |
| Bolt Size (in) | 0.75 |
| Overall Length (in) | 11.75 |
| Overall Width (in) | 4.5 |
| Housing Construction | Split Two Piece |
| Bolt Center-to-Center Length (in) | 8.875 |
| Speed (Max) | 1750 |
| Misalignment | ±3.0° Misalignment - Static Only |
| Bore Shape | Straight |
| Radial Dynamic Load Capacity (lb) | 9,630 |
| Internal Clearance | Standard |
| Locking Type | Double Collar Mount |
| Bore Size - Inch | 3 |
| Outer Ring Land Profile | Standard |
| Bearing Insert Coating | Uncoated |
| Housing Color | Gray |
| End Cap | No |
| Replaceable Insert | Yes |
| Retainer Material | Steel |
| Platform | RPB Series |
| Misalignment Type | Static Only |
| Base to Center Height (in) | 3.13 |
| Bolt Center Max (in) | 9.688 |
| Bolt Center Min (in) | 8.063 |
| Centerline to Front Face (in) | 2.25 |
| Inner Race Length (in) | 4.5 |
| Foot Height (in) | 1.75 |
| Series | ERPB |
| Grease Fitting Thread Size | 1/8 NPT |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Maximum Operating Temperature (F) | 220 |
| Duty/Series | Standard |
| Collar Outer Diameter (in) | 4.719 |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Insert Number | ERCI-300C |
| Housing Style | Pillow Block |
| Ability to Relubricate | Yes |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | ERPB 300-C2 |
| Mfg. Part Numberi | 551297 |
| GDS #i | GDS-114085 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Pillow Blocks |
| UPCi | 662288482079 |
