Page 35 - Rollingbearings
P. 35
Basic bearing designation system
Diagram 2
Designation system
Group 1 Group 2 Group 3 / Group 4
4.1 4.2 4.3 4.4 4.5 4.6
Bearing basics
Preixes
Basic designation
Sufixes
A.1
Group 1: Internal design
Group 2: External design (seals, snap ring groove, etc.)
Group 3: Cage design
Group 4.1: Materials, heat treatment
Group 4.2: Tolerance, clearance, preload, quiet running
Group 4.3: Bearing sets, matched bearings
Group 4.4: Stabilization
Group 4.5: Lubrication
Group 4.6: Other variants
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