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Angular contact ball bearings
Angular contact ball bearings
  Product  Information
Single row angular contact ball bearings are mainly used for undertaking combined radial and axial loads, and also for pure radial load. These bearings have a high rotating speed. Materials of the bearings’ rings are refined bearing steel GCr15 and other types of bearing steel, while balls are adopting GCr15 or ceramic.
1. Size designations
70xxC; 70xxAC; 72xxAC; 72xxB; 73xxC
2. Designs, types and features
/C:   nominal contact angle a=15°
/AC:  nominal contact angle a=20°
/A:   nominal contact angle a=30°
/B:   nominal contact angle a=40°
/M:   solid brass retainer  
/TN:  glass-fiber reinforced nylon retainer
3. Mounting Combination
/DB: mount inserts, back to back
/DF: mount in sets, face to face
/DT: mount in sets, tandem
4. Clearance
/C2: less than nominal clearance
/C0: nominal clearance, omitted in designation
/C3: larger clearance than C0
/C4: larger clearance than C3
/C5: larger clearance than C4
/C9: non-standard
5. Tolerance Class
/P0: equals grade ABEC-1, omitted in designation
/P6: equals grade ABEC-3
/P5: equals grade ABEC-5
/P4: equals grade ABEC-7
/P2: equals grade ABEC-9