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- Additional radial load-carrying capability compared to single-row product.
- Designed to ISO/DIN specified interchangeable dimensions.
- Sold as complete assembly.
NNU-1
- Outer rings with solid ribs.
- Lubrication grooves and holes on outer rings.
- One solid brass cage.
The radial internal clearance (RIC) for the bearing assembly must be included when ordering the complete assembly.
Unit of Measure
Key Dimensions
Bore (d) |
N/A 320 mm |
O.D. (D) |
N/A 540 mm21.2598 in |
Width (B) |
N/A 218 mm8.5827 in |
| Dynamic Radial Load Rating - 1M Revs (C1)1 | N/A 3940000 N886000 lbf |
Other Dimensions
DUR/DOR F/E |
N/A 375 mm14.7638 in |
Max Shaft Fillet Radius LF ID |
N/A 0.200 in5 mm |
Max Shaft Fillet Radius RF ID |
N/A 0.200 in5 mm |
Max Housing Fillet Radius LF OD |
N/A 0.2 in5 mm |
Max Housing Fillet Radius RF OD |
N/A 0.2 in5 mm |
Shaft Backing Shoulder Diameter |
N/A 365 mm14.3700 in |
Housing Backing Shoulder Diameter |
N/A 495 mm19.49 in |
Ratings
Static Radial Load Rating (C0) |
N/A 6280000 N1410000 lbf |
Thermal Reference Speed - Oil |
N/A 590 rpm |
Thermal Reference Speed - Grease |
N/A 550 rpm |
- 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
- 2 Permissible axial displacement from normal position of one bearing ring in relation to the other.
- 3 Cg factor for bearing without inner ring.
