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Products >
Rolling
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Deep groove ball bearings
Single row deep groove ball bearings with snap groove and snap ring
63..NR
Bearing number
Dimensions
£¨mm£©
Snap ring groove dimensions
£¨mm£©
Basic load ratings
(KN)
Limiting Speed
(r/min)
Mass
(kg)
TCB
d
D
B
r
min
Ds
b
Dn
a
n
bn
r
nmax
Cr
Cor
Grease
Oil
6311 NR
55
120
29
2.0
129.7
2.82
115.21
4.06
3.1
0.6
71.6
44.8
5600
6700
1.390
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