| Bearing Types |
Applicable Tolerance Classes |
| Deep Groove Ball Bearings |
Normal |
Class 6 |
Class 5 |
Class 4 |
Class 2 |
| Angular Contact Ball Bearings |
Normal |
Class 6 |
Class 5 |
Class 4 |
Class 2 |
| Self-aligning Ball Bearings |
Normal |
Class 6
equivalent |
Class 5
equivalent |
- |
- |
| Cylindrical Roller Bearings |
Normal |
Class 6 |
Class 5 |
Class 4 |
Class 2 |
| Slolid Type Needle Roller Bearings |
Normal |
Class 6
|
Class 5
|
Class 4 |
- |
| Spherical Roller Bearings |
Normal |
Class 6
equivalent
|
Class 5
equivalent |
- |
- |
| Magneto Bearings |
BAS
Normal |
BAS
Class 6 |
BAS
Class 5 |
- |
- |
Instrument Ball Bearings
(inch design) |
- |
- |
ABMA
CLASS 5P |
ABMA
CLASS 7P |
ABMA
CLASS 9P |
Metric-design Tapered
Roller Bearings |
Normal
Class 6X |
- |
Class 5 |
Class 4 |
- |
Equivalent standards
(Reference) |
GB(1) |
Class 0 |
Class 6 |
Class 5 |
Class 4 |
Class 2 |
| DIN(2) |
P0 |
P6 |
P5 |
P4 |
P2 |
ABMA
(3) |
Ball Bearings |
ABEC 1 |
ABEC 3 |
ABEC 5
(CLASS 5P) |
ABEC 7
(CLASS 7P) |
ABEC 9
(CLASS 9P) |
| Roller Bearings |
RBEC 1 |
RBEC 3 |
RBEC 5 |
- |
- |
| Tapered Roller Bearings |
CLASS 4 |
CLASS 2 |
CLASS 3 |
CLASS 0 |
CLASS 00 |
Inch-design Tapered
Roller Bearings |
ABMA
CLASS 4 |
ABMA
CLASS 2 |
ABMA
CLASS 3 |
ABMA
CLASS 0 |
ABMA
CLASS 00 |
| Thrust Ball Bearings |
Normal |
Class 6 |
Class 5 |
Class 4 |
- |
| Spherical Thrust Roller Bearings |
Normal |
- |
- |
- |
- |
