Metric system
Open:
684A
Dust cover:
684AZZ
Sealed:
—
Sealed:
—
SEO：
Metric system
Classification：
Product Introduction
Bearing Code
Open Type 684A
Dust Cover Type 684AZZ
Sealed —
Sealed —
Overall Dimensions(mm)
d 4
D 9
B 2.5
B1 4
r (0.15)
r1(min) (0.15)
Limiting Speed(rpm)
Grease（Z.2ZZ） 53000
Grease（RS.2RS） —
Oil Lubrication 63000
Rated Load
Cr(N) 640
Cor(N) 225
Cr(kgf) 65
Cor(kgf) 23
Mounting Dimensions(mm)
da(min) 4.8
db(max) 5.2
Da(max) 8.2
Db(min) 8.1
ra(max) 0.10
rb(max) 0.10
Weights(g)
Open Type 0.63
Dust Cover Type 1.01
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