Selection criteria for angular contact thrust ball bearings for screw drives
| Bearing type | Single direction
bearings |
Double direction
bearings |
Double direction
bearings for bolt mounting |
Cartridge units |
 |
|
|
|
|
| Bearing series | BSA, BSD | BEAS | BEAM | FBSA |
| Selection criteria | ||||
| Axial stiffness | ++ | + | + | ++ |
| Axial load carrying capacity | ++ | ++ | ++ | ++ |
| Running accuracy | ++ | ++ | ++ | ++ |
| Speed capability | ++ | + | + | + |
| Frictional moment | ++ | + | + | ++ |
| Flexibility in arrangement | + | o | o | ++ |
| Easy mounting | o | + | ++ | ++ |
| Seals | non-contact
seals (optional) |
contact or non-
contact seals |
contact or non-
contact seals |
laminar rings |
| Symbols: ++ very good + good o suitable | ||||
