Designation
With shiled :MR148
Open type :MR148ZZ
With seal VV :MR148VV
With seal DD :MR148DD
Principal dimensions（mm）
d :8
D :14
B :3.5
B1 :4
r(min) :0.2
Basic load ratings(N)
Cr :820
Cor :385
Basic load ratings{kgf}
Cr :83
Cor :39
Speed ratings(rpm)
Grease
ZZ :38000
D·D :32000
Oil
Z :45000
Abutment and fillet dimensions (mm)
da(min) :9.6
db(max) :9.2
Da(Max) :12.4
Db(min) :12.8
ra(max) :0.2
rb(max) :0.15
Weight(g)
Open type :1.86
With shiled :2.16
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