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KOYO bearings precision of the (main) size precision and rotational accuracy. Accuracy has been standardized, P0, P6, P5 grade level P4, P2 class five levels.
In turn improve the accuracy from 0 0 For general purpose sufficient, but for special conditions or occasion, or need 5 or higher accuracy.
Although the above level of accuracy based on the ISO standard for benchmarking, but the call to different national standards.
KOYO bearings dimensional accuracy (installed with the shaft and housing related projects)
1, diameter, diameter, width, and the width of the assembly to allow deviation
2, the roller group the complex circle diameter and the diameter of the outer umbra allowable deviation
3, chamfer dimension Limits of
Width to allow changes in the amount of
The KOYO bearing rotation accuracy (rotating body beating related projects)
1, the inner ring and the outer ring radial runout and axial runout
2, the inner ring allows lateral runout
3, an outer diameter to allow changes in the amount of surface inclination
4, the thrust bearing raceway thickness to allow changes in the amount of
5, allowable deviation of the tapered bore and allows changes in the amount of
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 33016U NTN | 80 | 125 | 36 |
| 32016XU NTN | 80 | 125 | 29 |