Allowable tilting angle of bearing ε:
| Bearing type | ε | 
| Ball single-row | 6' | 
| Ball double-row self-aligning | 3 deg. | 
| Roller single-row(NU2, NU3, NU4, N2, N3, N4) | 6' | 
| Other roller | 2' | 
| Spherical-roller double-row | 1.5 deg. | 
| Tapered-roller single-row | 2' | 
| Spherical-roller thrust bearing | 2 deg. |