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Sealmaster RPB 103-2
Sealmaster Mounted Cast Iron Two Bolt Pillow Block Tapered Roller - 52100 Bearing Steel - Double Collar Mount Lock - RPB 103-2
Series
RPB
Measure Units
Inch
Housing Type
Pillow Block, Two Bolt
Expansion
No
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 | 550204 |
| Brand | Sealmaster |
| Measure Units | Inch |
| Housing Type | Pillow Block, Two Bolt |
| Expansion | No |
| Rolling Element | Tapered Roller |
| Housing Material | Cast Iron |
| Housing Base | Solid |
| Seal Type | Felt Labyrinth Seal |
| Insert Material | 52100 Bearing Steel |
| Bolt Size (in) | 0.5 |
| Overall Height (in) | 3.125 |
| Housing Construction | Split Two Piece |
| Overall Length (in) | 6.25 |
| Base Width (in) | 1.875 |
| Overall Width (in) | 2.75 |
| Bolt Center-to-Center Length (in) | 4.75 |
| Speed (Max) | 4000 |
| Misalignment | ±3.0° Misalignment - Static Only |
| Internal Clearance | Standard |
| Locking Type | Double Collar Mount |
| Radial Dynamic Load Capacity (lb) | 2,975 |
| Bore Shape | Straight |
| Replaceable Insert | Yes |
| Retainer Material | Steel |
| Misalignment Type | Static Only |
| Platform | RPB Series |
| End Cap | No |
| Bore Size - Inch | 1.1875 |
| Bearing Insert Coating | Uncoated |
| Outer Ring Land Profile | Standard |
| Housing Color | Gray |
| Centerline to Front Face (in) | 1.375 |
| Bolt Center Min (in) | 4.563 |
| Base to Center Height (in) | 1.5 |
| Inner Race Length (in) | 2.75 |
| Bolt Center Max (in) | 4.938 |
| Foot Height (in) | 0.875 |
| Series | RPB |
| Grease Fitting Thread Size | 1/8 NPT |
| Duty/Series | Standard |
| Collar Outer Diameter (in) | 2.25 |
| Insert Number | RCI-103 |
| Maximum Operating Temperature (F) | 220 |
| Ability to Relubricate | Yes |
| Lubrication Type | Lithium; EP; NLGI#2 |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Housing Style | Pillow Block |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | RPB 103-2 |
| Mfg. Part Numberi | 550204 |
| GDS #i | GDS-113918 |
| Categoryi | Bearings / Mounted / Mounted Tapered Roller Bearings / Pillow Blocks |
| UPCi | 662288479918 |
