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                 Precision double row cylindrical roller bearings   NNU 49 B/G
Bearing number
Dimensions
£¨mm£©
Mounting dimensions
£¨mm£©
Basic load ratings
(KN)
Limiting Speed
(r/min)
Mass
(kg)
TCB
d
D
B
r min
F
S
da min
da max
Da min
Da max
Cr
Cor
Grease
Oil
NNU 4921 B/G
105
145
40
1.1
118
1.7
111.5
116
121
138.5
130
260
5300
6000
2
 










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