Angular contact ball bearing

Characteristics and Applications of Angular Contact Ball Bearings:
Angular contact ball bearings have a high speed limit and can withstand both radial and axial loads, as well as pure axial loads. Their axial load capacity is determined by the contact angle and increases with the increase of the contact angle.
Single row angular contact ball bearings can only withstand axial loads in one direction. When subjected to radial loads, additional axial forces are generated, and corresponding reverse loads must be applied. Therefore, this type of bearing is generally used in pairs.
Double row angular contact ball bearings can withstand large combined radial and axial loads, mainly radial loads, as well as torque loads. They can limit the bi-directional axial displacement of the shaft or housing, with a contact angle of 30 degrees.
Paired installation of angular contact ball bearings can withstand combined radial and axial loads, mainly radial loads, as well as pure radial loads. The series configuration can only withstand axial loads in a single direction, while the other two configurations can withstand axial loads in any direction. This type of bearing is usually selected and combined by the manufacturer to be submitted to the user in pairs. After installation, there is pre press interference fit, and the ring and steel ball are in an axial preloaded state, thus improving the stiffness and rotational accuracy of the entire bearing as a single support.
Specific classification and model comparison:
1. A=15o angular contact ball bearing (70000 C type)
2. A=25o angular contact ball bearing (70000 AC type)
3. A=40o angular contact ball bearing (70000 Type B)
4. High speed sealed angular contact ball bearing with a=15o (B70000 C-2RZ type)
5. High speed sealed angular contact ball bearing with a=25o (B70000 AC-2RZ type)
6. High speed sealed angular contact ceramic ball bearing with a=15o (B70000 C-2RZ/HQ1 type)
7. High speed sealed angular contact ceramic ball bearing with a=25o (B70000 AC-2RZ/HQ1 type)
8. Back to back paired double contact ball bearings [70000 C (AC, B)/DB type]
9. Face to face paired double angular contact ball bearings [70000 C (AC, B)/DF type]
10. Series paired double angular contact ball bearings [70000 C (AC, B)/DT type]
11. Double row angular contact ball bearing with ball installation gap (0000 type a=30o)
12. Double row angular contact ball bearing without ball gap (0000 A-type a=30o)
13. Double row angular contact ball bearing with dust cover on one side (0000 A-Z type a=30o)
14. Double row angular contact ball bearings with dust covers on both sides (0000 A-2Z type a=30o)
15. Double row angular contact ball bearing with sealing ring on one side (0000 A-RZ type a=30o)
16. Double row angular contact ball bearing with sealing rings on both sides (0000 A-2RZ type a=30o)
17. Four point contact ball bearing (QJ type a=35o)