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Small ball bearings and miniature ball bearings/Rice series

Metric series with an inner diameter of 1-4mm_684A

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External dimensions(mm)

d4
D9
B2.5
B14
γ(minimum)-0.15
γ1(minimum)-0.15

Rated load(N)

Cr640
Cor225

Rated load{kgf}

Cr65
Cor23

Rated speed min-1

grease
ZZ
53000
oil
Z
63000

Bearing code

Open type684A
dust cover type684AZZ
sealed
sealed

Installation size(mm)

da(minimum)4.8
db(maximum)5.2
da(maximum)8.2
Db(minimum)8.1
γa(maximum)0.1
γb(maximum)0.1

weight(g)(refer to)

Open type0.63
dust cover type1.01

describe

Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways

Weekday service hotline

132 2888 8061

E-Mail

DEGUO_DUG@163.com

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