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Sealmaster
RFB 203
Cast Iron 4-Bolt Flange Double Collar Mount Lock Normal Duty Flange Unit
Item #100991153
- 4-Bolt Flange Type
- Cast Iron Housing Material
- Uncoated Bearing Insert Coating
- Double Collar Mount Locking Type
applications
- Toughest application conditions
- Demanding environments
features
- 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 split cast iron housing
| Overall Width | 3.875 in |
| Bolt Hole Spacing | 4 7/8 in |
| Overall Width (in) | 3.875 |
| Pilot Configuration | No Pilot |
| Maximum Operating Temperature | 220 |
| Platform | RPB Series |
| Housing Width | 6.25 in |
| Inch/Metric | Inch |
| Flange Type | 4-Bolt Flange |
| Relubricatable | Yes |
| Bolt Center-to-Center Length | 4.875 in |
| Seal Type | Felt Labyrinth |
| Housing Width (in) | 6.25 |
| Inner Race Length (in) | 3.75 |
| Bearing Type | Tapered Roller Bearing |
| Shaft Dia. | 2.1875 in |
| Misalignment Type | Static Only |
| Housing Base | Solid |
| Locking Type | Double Collar Mount |
| End Type | Open End |
| Overall Length (in) | 6.25 |
| Angle of Misalignment | ±3° |
| Bore Size - Inch | 2.188 |
| Insert Material | 52100 Bearing Steel |
| Bolt Circle Dia. | 6.90 in |
| Centerline to Front Face (in) | 1.875 |
| Collar OD (in) | 3.625 |
| Internal Clearance | Standard |
| Housing Length | 6 1/4 in |
| Bolt Center-to-Center Length (in) | 4.875 |
| Collar O.D. | 3.625 in |
| Replaceable Insert | Yes |
| Bearing Insert Coating | Uncoated |
| Series | RFB |
| Inner Race Length | 3.75 in |
| Bolt Center Diameter (in) | 6.90625 |
| Outer Ring Land Profile | Standard |
| Insert No. | RCI-203 |
| Foot Height (in) | 1.375 |
| Housing Construction | Split Two Piece |
| Retainer Material | Steel |
| Bearing Design | Non-Expansion |
| Expansion | No |
| Speed [Max] | 2500 rpm |
| Lubrication | Lithium, EP, NLGI#2 |
| Overall Length | 6.25 in |
| Mounted Unit Duty | Heavy Duty |
| Bore Size | 2.188 in |
| Bore Shape | Straight |
| Rolling Element | Tapered |
| Overall Height (in) | 3.875 |
| Bolt Center Dia. | 6.906 in |
| Foot Height | 1.375 in |
| Overall Height | 3.875 in |
| Bolt Size | 0.625 in |
| Operating Temperature [Max] | 220°F |
| End Cap | No |
| Housing Material | Cast Iron |
| Centerline to Front Face | 1.875 in |
| Inner Race Heat Treat Method | Case Carburized Inner Ring |
| Bolt Size (in) | 0.625 |
| Measure Units | Inch |
| Housing Color | Gray |
| Duty Series | Normal |
| Locking Device | Double Concentric Clamp Collars |
| Weight | 18.5 LB |
| EAN or UPC | 662288480280 |
