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Small ball bearings and miniature ball bearings 684A

Model:684A

Brand:NSK

Small ball bearings and miniature ball bearings 684A d=4、D=9、B=2.5,For more information, please contact the Us, where we can provide you with the right solution.
WhatsApp/WeChat:+86-13485059519

tbjbearing@gmail.com
We can deliver to all countries

Attribute

Technical Drawing
Param Print

outline dimension (mm)

d 4
D 9
B 2.5
B1 4
γ(min) (0.15)
γ1(min) (0.15)

specified load (N)

Cr 640
Cor 225

Rated load load {kgf}

Cr 65
Cor 23

Rated speed min -1

Fat lubrication
ZZ
53000
Oil is lubricated
Z
63000

bearing symbol

open type 684A
Dust cover type 684AZZ
sealed
sealed

installation size (mm)

da(min) 4.8
db(max) 5.2
da(max) 8.2
Db(min) 8.1
γa(max) 0.1
γb(max) 0.1

Weight (g) (reference)

open type 0.63
Dust cover type 1.01
Factory Equipment
Precision Instrument

We can deliver to all countries

Tel:+86-13485059519

WhatsApp/WeChat:+86-13485059519

E-mail:tbjbearing@gmail.com