Home / Categories / Bearings / Mounted / Mounted Tapered Roller Bearings / Pillow Blocks / RPB 408-4
Sealmaster RPB 408-4
PILLOW BLK STK
Series
RPB
Seal Type
Felt Labyrinth Seal
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 | 550230 |
| Brand | Sealmaster |
| Seal Type | Felt Labyrinth Seal |
| Housing Base | Solid |
| Housing Material | Cast Iron |
| Housing Type | Pillow Block, Four Bolt |
| Insert Material | 52100 Bearing Steel |
| Expansion | No |
| Measure Units | Inch |
| Rolling Element | Tapered Roller |
| Internal Clearance | Standard |
| Overall Length (in) | 16.5 |
| Housing Construction | Split Two Piece |
| Locking Type | Double Collar Mount |
| Speed (Max) | 1250 |
| Bolt Size (in) | 0.75 |
| Bore Shape | Straight |
| Radial Dynamic Load Capacity (lb) | 25,750 |
| Overall Width (in) | 6.75 |
| Base Width (in) | 4.625 |
| Misalignment | ±3.0° Misalignment - Static Only |
| Overall Height (in) | 9.625 |
| Bolt Center-to-Center Length (in) | 12.815 |
| Misalignment Type | Static Only |
| End Cap | No |
| Replaceable Insert | Yes |
| Platform | RPB Series |
| Retainer Material | Steel |
| Outer Ring Land Profile | Standard |
| Housing Color | Gray |
| Bearing Insert Coating | Uncoated |
| Bore Size - Inch | 4.5 |
| Bolt Center Min (in) | 11.75 |
| Base to Center Height (in) | 4.75 |
| Inner Race Length (in) | 6.75 |
| Foot Height (in) | 2.75 |
| Centerline to Front Face (in) | 3.375 |
| Bolt Center Max (in) | 13.875 |
| Series | RPB |
| Grease Fitting Thread Size | 1/8 NPT |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Duty/Series | Standard |
| Collar Outer Diameter (in) | 6.5 |
| Maximum Operating Temperature (F) | 220 |
| Housing Style | Pillow Block |
| Insert Number | RCI-408 |
| Ability to Relubricate | Yes |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RPB 408-4 |
| Mfg. Part Numberi | 550230 |
| GDS #i | GDS-113942 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Pillow Blocks |
| UPCi | 662288480150 |
