Metric system
Open:
687
Dust cover:
687ZZ
Sealed:
6872RZ
Sealed:
6872RS
SEO：
Metric system
Classification：
Product Introduction
Bearing Code
Open Type 687
Dust Cover Type 687ZZ
Sealed 6872RZ
Sealed 6872RS
Overall Dimensions(mm)
d 7
D 14
B 3.5
B1 5
r 0.15
r1(min) 0.15
Limiting Speed(rpm)
Grease（Z.2ZZ） 40000
Grease（RS.2RS） 34000
Oil Lubrication 45000
Rated Load
Cr(N) 1170
Cor(N) 510
Cr(kgf) 120
Cor(kgf) 52
Mounting Dimensions(mm)
da(min) 8.2
db(max) 8.5
Da(max) 12.8
Db(min) 12.7
ra(max) 0.15
rb(max) 0.15
Weights(g)
Open Type 2.13
Dust Cover Type 2.97
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