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Sealmaster DRPB 300-2
PILLOW BLK STK
Series
DRPB
Housing Type
Pillow Block, Two Bolt
Expansion
No
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 | 551546 |
| Brand | Sealmaster |
| Housing Type | Pillow Block, Two Bolt |
| Expansion | No |
| Insert Material | 52100 Bearing Steel |
| Measure Units | Inch |
| Housing Material | Cast Iron |
| Seal Type | Felt Labyrinth Seal |
| Housing Base | Solid |
| Rolling Element | Tapered Roller |
| Bolt Size (in) | 0.75 |
| Overall Width (in) | 4.5 |
| Housing Construction | Split Two Piece |
| Base Width (in) | 3.125 |
| Overall Height (in) | 7 |
| Bolt Center-to-Center Length (in) | 10.435 |
| Overall Length (in) | 13.5 |
| Bore Shape | Straight |
| Internal Clearance | Standard |
| Locking Type | Double Collar Mount |
| Misalignment | ±3.0° Misalignment - Static Only |
| Radial Dynamic Load Capacity (lb) | 9,630 |
| Speed (Max) | 1750 |
| Housing Color | Gray |
| Outer Ring Land Profile | Standard |
| End Cap | No |
| Bearing Insert Coating | Uncoated |
| Misalignment Type | Static Only |
| Platform | RPB Series |
| Replaceable Insert | Yes |
| Bore Size - Inch | 3 |
| Retainer Material | Steel |
| Foot Height (in) | 2 |
| Centerline to Front Face (in) | 2.25 |
| Base to Center Height (in) | 3.75 |
| Bolt Center Max (in) | 11.563 |
| Inner Race Length (in) | 4.5 |
| Bolt Center Min (in) | 9.313 |
| Series | DRPB |
| Grease Fitting Thread Size | 1/8 NPT |
| Maximum Operating Temperature (F) | 220 |
| Insert Number | RCI-300 |
| Housing Style | Pillow Block |
| Ability to Relubricate | Yes |
| Duty/Series | Standard |
| Collar Outer Diameter (in) | 4.75 |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Lubrication Type | Lithium; EP; NLGI#2 |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | DRPB 300-2 |
| Mfg. Part Numberi | 551546 |
| GDS #i | GDS-114102 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Pillow Blocks |
| UPCi | 662288482437 |
