Tolerances
TOLERANCES OF INNER RING AND OUTER RING WIDTH (ISO)
| d (mm) |
∆ dmp | ∆ ds | V dp | V dmp | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P0 | P6 | P5 | P4 | P4 | P0 | P6 | P5 | P4 | P0 | P6 | P5 | P4 | ||||||||||
| diameter series | diameter series | diameter series | diameter series | diameter series | ||||||||||||||||||
| 0,2,3 | 7,8,9 | 0 | 2,3 | 7,8,9 | 0 | 2,3 | 7,8,9 | 0,2,3 | 7,8,9 | 0,2,3 | ||||||||||||
| over | incl. | upper | lower | lower | lower | lower | upper | lower | max. | max. | max. | max. | max. | max. | max. | max. | ||||||
| 0.6 (1) | 2.5 | 0 | -8 | -7 | -5 | -4 | 0 | -4 | 10 | 8 | 6 | 9 | 7 | 5 | 5 | 4 | 4 | 3 | 6 | 5 | 3 | 2 |
| 2.5 |
10 |
0 | -8 | -7 | -5 | -4 | 0 | -4 | 10 | 8 | 6 | 9 | 7 | 5 | 5 | 4 | 4 | 3 | 6 | 5 | 3 | 2 |
| 10 | 18 | 0 | -9 | -8 | -6 | -5 | 0 | -4 | 10 | 8 | 6 | 9 | 7 | 5 | 5 | 4 | 4 | 3 | 6 | 5 | 3 | 2 |
| 18 | 30 | 0 | -10 | -8 | -6 | -5 | 0 | -5 | 13 | 10 | 8 | 10 | 8 | 6 | 6 | 5 | 5 | 4 | 8 | 6 | 3 | 2.5 |
| 30 | 50 | 0 | -12 | -10 | -8 | -6 | 0 | -6 | 15 | 12 | 9 | 13 | 10 | 8 | 8 | 6 | 6 | 5 | 9 | 8 | 4 | 3 |
Remarks 1: The upper value of the bore diameter in this table is not applicable when the distance from the bearing ring face is less than 1.2 times the chamfer dimension Rs max.
Remarks 2: According to the revision AFBMA Std. 20-1987, the classes ABEC1, ABEC3, ABEC5, ABEC7 are equivalent to ISO 6, ISO 5 and ISO 2
TOLERANCES OF OUTER RING (ISO)
| D (mm) |
∆ Dmp | ∆ Ds | V Dp (2) | V dmp | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P0 | P6 | P5 | P4 | P4 | P0 | P6 | P5 | P4 | P0 | P6 | P5 | P4 | ||||||||||||
| open | seal shield | open | seal shield | open | open | |||||||||||||||||||
| diameter series | diameter series | diameter series | diameter series | diameter series | ||||||||||||||||||||
| 0,2,3 | 7,8,9 | 0 | 2,3 | 2,3 | 7,8,9 | 0 | 2,3 | 2,3 | 7,8,9 | 0,2,3 | 7,8,9 | 0,2,3 | ||||||||||||
| upper | incl. | upper | lower | lower | lower | lower | upper | lower | max. | max. | max. | max. | max. | max. | max. | max. | ||||||||
| 2.5 (1) | 6 | 0 | -8 | -7 | -5 | -4 | 0 | -4 | 10 | 8 | 6 | 10 | 9 | 7 | 5 | 9 | 5 | 4 | 4 | 3 | 6 | 5 | 3 | 2 |
| 6 | 18 | 0 | -8 | -7 | -5 | -4 | 0 | -4 | 10 | 8 | 6 | 10 | 9 | 7 | 5 | 9 | 5 | 4 | 4 | 3 | 6 | 5 | 3 | 2 |
| 18 | 30 | 0 | -9 | -8 | -6 | -5 | 0 | -5 | 12 | 9 | 7 | 12 | 10 | 8 | 6 | 10 | 6 | 5 | 5 | 4 | 7 | 6 | 3 | 2.5 |
| 30 | 50 | 0 | -11 | -9 | -7 | -6 | 0 | -6 | 14 | 11 | 8 | 16 | 11 | 9 | 7 | 13 | 7 | 5 | 6 | 5 | 8 | 7 | 4 | 3 |
| 50 | 80 | 0 | -13 | -11 | -9 | -7 | 0 | -7 | 16 | 13 | 10 | 20 | 14 | 11 | 8 | 16 | 9 | 7 | 7 | 5 | 10 | 8 | 5 | 3.5 |
Remarks 1: The lower value of the outside diameter in this table is not applicable when the distance from the bearing ring face is less than 1.2 times the chamfer dimension Rs max
Remarks 2: According to the revision of AFBMA Std. 20-1987, the classes ABEC1, ABEC3, ABEC5, ABEC7 are equivalent to ISO 6, ISO 5, ISO 4 and ISO 2.
TOLERANCES OF INNER RING AND OUTER RING WIDTH (ABMA)
| d (mm) |
∆ dmp | ∆ ds | V dp | V dmp | ∆ Bs( ∆ Cs) | V Bs | K ia | S ia | S d | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ABEC 5P ABEC 7P |
ABEC 5P ABEC 7P |
ABEC 5P ABEC 7P |
ABEC 5P ABEC 7P |
single bearing ABEC 5P ABEC 7P |
ABEC 5P | ABEC 7P | ABEC 5P | ABEC 7P | ABEC 5P | ABEC 7P | ABEC 5P | ABEC 7P | |||||
| over | incl. | upper | lower | upper | lower | max. | max. | upper | lower | max. | max. | max. | max. | max. | max. | max. | max. |
| - | 10 | 0 | -5 | 0 | -5 | 2.5 | 2.5 | 0 | -25 | 5 | 2.5 | 35 | 2.5 | 7 | 3 | 7 | 3 |
| 10 | 18 | 0 | -5 | 0 | -5 | 2.5 | 2.5 | 0 | -2.5 | 5 | 2.5 | 3.5 | 2.5 | 7 | 3 | 7 | 3 |
| 18 | 30 | 0 | -5 | 0 | -5 | 2.5 | 2.5 | 0 | -2.5 | 5 | 25 | 3.5 | 2.5 | 7 | 3 | 7 | 3 |