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Rexnord Corp.
MBR2108
2000 Series 4-Bolt Flange Spherical Roller Bearing Cartridge Unit
Item #100739188
- Spherical Roller Bearing Cartridge Unit
- 1 1/2 in Shaft Diameter
- Single Setscrew Collar Locking Device
- Non-Expansion Bearing Design
- Spherical Roller Bearing Type
features
- Easy bearing clearance: can be field adjusted to meet application needs
- Mounting to suit the load and installation requirements
- Shaft ready: prelubricated with standard grease for normal operation
- other lubricants available for special conditions
- Fully self-aligning: spherical roller bearing to accommodate operational and installation misalignment
- Rugged housing: standard material – cast iron, steel or ductile iron available on request
- Carburized raceways: case-carburized inner races provide a hard, fatigue-resistant surface and a tough, crack-resistant ductile core
- Interchangeable seals: three types of seals to match the application requirements: Z seal, for the broad range of normal operating conditions
- K seal, for dusty, dirty conditions
- and M seal, for protection against liquid contamination
- For extra protection under severe conditions, auxiliary caps are also available
| Seal Type | Spring Loaded Heavy Contact Seals |
| Lubrication | Relubricatable |
| Temperature Range [Min] | -40 °F |
| Flange Pilot Diameter | 3 5/8 in |
| RPM [Max] | 3300 rpm |
| Bolt Circle Dia. | 4 3/8 in |
| Lubricant Type | Exxon Ronex MP |
| Series | 2000 |
| Size Code | 4 |
| Length Through Bore | 2.875 in |
| Housing Construction | 1 Piece |
| Housing Height | 5 1/4 in |
| Overall Width | 4 1/4 in |
| Misalignment Range | ±1 1/2° |
| Housing Material | Cast Iron |
| Housing Length | 5 1/4 in |
| Bolt Size | 3/8 in |
| Style | 4-Bolt Piloted Flange |
| Flange Thickness | 1/2 in |
| Locking Device | Single Setscrew Locking Collar |
| Collar O.D. | 2 5/16 in |
| Shape | Round |
| Pilot Depth | 3/4 in |
| Bore Dia. [Min] | 3/4 in |
| Bore Dia. [Max] | 4 in |
| Inch/Metric | Inch |
| Bolt Circle Radius | 2 3/16 in |
| End Type | Open End |
| Type | Spherical Roller Bearing |
| Bearing Type | Spherical Roller Bearing |
| Collar Extension | 11/16 in |
| Shaft Dia. | 1.5 in |
| Set Screw Torque | 325 in lb |
| Bearing Design | Non-Expansion |
| Duty | Heavy-Duty |
| Bolt Hole Spacing | 3 3/32 in |
| Temperature Range [Max] | 225 °F |
| Mounted Unit Duty | Heavy-Duty |
| Grease Fitting Size | 1/8 in NPT |
| Flange Type | 4-Bolt Flange |
| Weight | 5.2 LB |
| EAN or UPC | 698210640002 |
