Bearing Tolerance Class P5 Introduction:
Bearing tolerance class P5 is one of the bearing classes.
The dimensional and geometrical tolerances of bearings are described by their tolerance classes (Tolerances).
Select the tolerance class for a bearing based on the application requirements for precision of rotation and operational speed.
Tolerances By Standard:
| ANSI Standard 20 | ISO 492 | DIN 620 | JIS B1514 |
|---|---|---|---|
| ABEC 1 | normal class 6X | P0 | Class 0 |
| ABEC 3 | class 6 | P6 | Class 6 |
| ABEC 5 | class 5 | P5 | Class 5 |
| ABEC 7 | class 4 | P4 | Class 4 |
| ABEC 9 | class 2 | P2 | Class 2 |
Please Note:
Some bearing manufacturers have created their own customized and branded tolerance standards (like P4+), but in this article we’re only focusing on international recognized standards.
Bearing Tolerance Class P5/ABEC5 Standard:
| Inner Diameter | Average Bore Deviation | Average Outer Diameter Deviation | Width Deviation of Inner and Outer Ring | |||||
| over | to | upper deviation | lower deviation | upper deviation | lower deviation | upper deviation | deviation under normal | amend lower deviation |
| 0.6 | 2.5 | 0 | -5 | 0 | -5 | 0 | -40 | |
| 2.5 | 10 | 0 | -5 | 0 | -5 | 0 | -120 | -250 |
| 10 | 18 | 0 | -5 | 0 | -6 | 0 | -120 | -250 |
| 18 | 30 | 0 | -6 | 0 | -7 | 0 | -120 | -250 |
| 30 | 50 | 0 | -8 | 0 | -9 | 0 | -120 | -250 |
| 50 | 80 | 0 | -9 | 0 | -10 | 0 | -150 | -380 |
| 80 | 120 | 0 | -10 | 0 | -11 | 0 | -200 | -380 |
| 120 | 180 | 0 | -13 | 0 | -13 | 0 | -250 | -500 |
| 180 | 250 | 0 | -15 | 0 | -15 | 0 | -300 | -500 |
| 250 | 315 | 0 | -18 | 0 | -18 | 0 | -350 | -500 |
| 315 | 400 | 0 | -23 | 0 | -20 | 0 | -400 | -630 |
| 400 | 500 | 0 | -23 | |||||
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