Time：2025-09-26
Edit：JFU Bearing 
NNU4921K
NNU4921K
|
ORDER
Bearing No.
|
NNU4921K | |||
|
SD
Inside Diameter
|
105 | mm | ||
|
D
Outside Diameter
|
145 | mm | ||
|
B
Width
|
40 | mm | ||
|
R
Chamfer Dimension
|
1.1 | mm | ||
|
FW
Boundary Dimension
|
117 | mm | ||
|
CR1
Basic Dynamic Load Ratings
|
161000 | N | ||
|
COR1
Basic Static Load Ratings
|
315000 | N | ||
|
CR2
Basic Dynamic Load Ratings
|
16400 | kgf | ||
|
COR2
Basic Static Load Ratings
|
32000 | kgf | ||
|
LG
Limiting Speed Grease
|
3800 | rpm | ||
|
LO
Limiting Speed Oil
|
4800 | rpm | ||
|
DA1
Abutment and Fillet Dimensions min.
|
111.5 | mm | ||
|
DA2
Abutment and Fillet Dimensions max.
|
116 | mm | ||
|
D1A
Abutment and Fillet Dimensions min.
|
113 | mm | ||
|
DA3
Abutment and Fillet Dimensions min.
|
138.5 | mm | ||
|
RA
Abutment and Fillet Dimensions max.
|
1 | mm | ||
|
MASS
Mass
|
1.99 | kg |
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