Time：2025-09-26
Edit：JFU Bearing 
NJ311EM
NJ311EM
|
ORDER
Bearing No.
|
NJ311EM | ||
|
SD
Inside Diameter
|
55 | mm | |
|
D
Outside Diameter
|
120 | mm | |
|
B
Width
|
29 | mm | |
|
R
Chamfer Dimension
|
2 | mm | |
|
R1
Chamfer Dimension
|
2 | mm | |
|
FW
Boundary Dimension
|
70.5 | mm | |
|
CR1
Basic Dynamic Load Ratings
|
137000 | N | |
|
COR1
Basic Static Load Ratings
|
143000 | N | |
|
LT
Thermal rated speed /Allowable maximum speed
|
6000 | rpm | |
|
LM
Mechanical limit speed /Allowable maximum speed
|
- | rpm | |
|
LG
Limiting Speed Grease
|
4500 | rpm | |
|
LO
Limiting Speed Oil
|
5600 | rpm | |
|
DBB1
Abutment and Fillet Dimensions min.
|
64 | mm | |
|
DBB2
Abutment and Fillet Dimensions max.
|
64 | mm | |
|
DA2
Abutment and Fillet Dimensions max.
|
68 | mm | |
|
RA
Abutment and Fillet Dimensions max.
|
111 | mm | |
|
RB
Abutment and Fillet Dimensions max.
|
2 | mm | |
|
MASS
Mass
|
1.64 | kg |
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