Metric system
Open:
681
Dust cover:
—
Sealed:
—
Sealed:
—
SEO：
Metric system
Classification：
Product Introduction
Bearing Code
Open Type 681
Dust Cover Type —
Sealed —
Sealed —
Overall Dimension(mm)
d 1
D 3
B 1
B1 —
r 0.05
r1(min) —
Limiting speed (rpm)
Grease（Z.2ZZ） 130000
Grease（RS.2RS） —
Oil Lubrication 150000
Rated Load
Cr(N) 80
Cor(N) 23
Cr(kgf) 8
Cor(kgf) 2.5
Mounting Dimensions(mm)
da(min) 1.4
db(max) —
Da(max) 2.6
Db(min) —
ra(max) 0.05
rb(max) —
Weights(g)
Open Type 0.03
Dust Cover Type —
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