Description
Dimension A (mm): 80
Dimension B (mm): 66
Dimension H (mm): 80
Dimension H1 (mm): 27
Dimension H2 (mm): 158
Dimension J (mm): 236
Dimension L (mm): 310
Dimension L1 (mm): 90
Dimension N (mm): 20
Dimension N1 (mm): 38
Dimension S (mm): 25
Dimension d (mm): 55
Shape: Pillow shape unit
Application: Transmission devices, general machinery, etc.
Compatibility: P311
Grease nipple: Grease nipple included
Load type: Heavy load
Cover: No cover
Shaft hole type: Cylindrical hole (with set screw)
Basic static load rating (kN): 45.0
Basic dynamic load rating (kN): 71.6
Bearing designation number: UC311
Mounting bolt designation: M16
Coefficient: 13.2
RoHS Directive (10 substances compliance): Compliant
This is the most representative type of rolling bearing unit.
Since ribs are provided at the base of the bearing box mounting part, it has a high strength structure against loads from all directions.
The mounting of the bearing box to the machine body is done with two bolts.
