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6804N
Basic parameters
Deep groove ball bearings
Series
6804N
Model
Main Size(mm)
20
d
32
D
7
B
0.3
r smin 1
0.3
rNS minimum
Rated base load
4.00
Dynamic load Cr/kN
2.47
Static load Cor/kN
410
Dynamic load Cr/kgf
252
Static load Cor/kgf
Allowable speed(rpm)
21,000
Grease lubrication open ZZ LLB
25,000
Oil lubrication open Z LB
―
LLH
13,000
LLU
Stop groove Size(mm)
30.7
D1 maximum
1.3
a maximum
0.95
b minmum
0.25
r 0maximum
Stop ring Size(mm)
34.8
D2 maximum
0.85
f maximum
Installation relationship size(mm)
22
da minmum
22.5
da maximum 3
30
Da maximum
35.5
Dx (about)
1.9
C Ymaximum
0.9
C zminmum
0.3
r asminmum
0.3
r Nas maximun
Weight 4 (kg)
0.019
(about)
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