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63/28ZZ
Basic parameters
Deep groove ball bearings
Series
63/28ZZ
Model
Main Size(mm)
28
d
68
D
18
B
1.1
r smin 1
0.5
rNS minimum
Rated base load
26.7
Dynamic load Cr/kN
14.0
Static load Cor/kN
2,730
Dynamic load Cr/kgf
1,430
Static load Cor/kgf
Allowable speed(rpm)
11,000
Grease lubrication open ZZ LLB
13,000
Oil lubrication open Z LB
8,900
LLH
7,400
LLU
Stop groove Size(mm)
64.82
D1 maximum
3.28
a maximum
1.9
b minmum
0.6
r 0maximum
Stop ring Size(mm)
74.6
D2 maximum
1.7
f maximum
Installation relationship size(mm)
34.5
da minmum
38.5
da maximum 3
61.5
Da maximum
76
Dx (about)
4.6
C Ymaximum
1.7
C zminmum
1
r asminmum
0.5
r Nas maximun
Weight 4 (kg)
0.284
(about)
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