Description
Dimension A (mm): 120
Dimension B (mm): 112
Dimension H (mm): 140
Dimension H1 (mm): 46
Dimension H2 (mm): 278
Dimension J (mm): 380
Dimension L (mm): 490
Dimension L1 (mm): 140
Dimension N (mm): 36
Dimension N1 (mm): 50
Dimension S (mm): 44
Dimension d (mm): 105
Shape: Pillow type unit
Application: Transmission devices, general machinery, etc.
Compatibility: P321
Grease nipple: With grease nipple
Load type: Heavy load
Cover: No cover
Shaft hole type: Cylindrical hole (with set screw)
Basic static load rating (kN): 153
Basic dynamic load rating (kN): 184
Bearing designation number: UC321
Mounting bolt designation: M30
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 by two bolts.
