
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
Housing Construction | 1 Piece |
Lubrication | Relubricatable |
Collar O.D. | 2 5/16 in |
Shape | Round |
Bolt Hole Spacing | 3 3/32 in |
Style | 4-Bolt Piloted Flange |
Shaft Dia. | 1.5 in |
Bore Dia. [Min] | 3/4 in |
Inch/Metric | Inch |
RPM [Max] | 3300 rpm |
Series | 2000 |
Pilot Depth | 3/4 in |
Housing Height | 5 1/4 in |
Misalignment Range | ±1 1/2° |
Length Through Bore | 2.875 in |
Size Code | 4 |
Temperature Range [Max] | 225 °F |
Locking Device | Single Setscrew Locking Collar |
Bearing Design | Non-Expansion |
Bolt Size | 3/8 in |
Duty | Heavy-Duty |
Housing Length | 5 1/4 in |
Type | Spherical Roller Bearing |
Grease Fitting Size | 1/8 in NPT |
Seal Type | Spring Loaded Heavy Contact Seals |
Bearing Type | Spherical Roller Bearing |
Lubricant Type | Exxon Ronex MP |
Bore Dia. [Max] | 4 in |
Flange Type | 4-Bolt Flange |
Overall Width | 4 1/4 in |
Bolt Circle Dia. | 4 3/8 in |
Flange Pilot Diameter | 3 5/8 in |
Mounted Unit Duty | Heavy-Duty |
Set Screw Torque | 325 in lb |
Bolt Circle Radius | 2 3/16 in |
End Type | Open End |
Housing Material | Cast Iron |
Flange Thickness | 1/2 in |
Collar Extension | 11/16 in |
Temperature Range [Min] | -40 °F |
Weight | 5.2 LB |
EAN or UPC | 698210640002 |
