Designations
Universally matchable bearing :7221BECBM
Basic design bearing :–
Principal dimensions(mm)
d :105
D :190
B :36
Basic load ratings(KN)
Cr :148
Cor :137
Fatigue load limit(KN)
Pu :4,8
Speed ratings(r/min)
Reference speed :3 800
Limiting speed :4 000
Dimensions(mm)
d1 :138
d2 :121
D1 :160
r1,2 :2,1
r3,4 :1,1
a :80
Abutment and fillet dimensions(mm)
da(min) :117
Da(max) :178
Db(max) :183
ra(max) :2
rb(max) :1
Mass(kg) :3,95
