NSK NNU4956K
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NNU4956K
Boundary Dimensions
d
280
mm
Bore diameter
D
380
mm
Outside diameter
B
100
mm
Width
FW
309
mm
Raceway diameter of inner ring
r (min.)
2.1
mm
Chamfer dimension
Basic Load Ratings
Cr
1180000
N
Basic dynamic load rating
C0r
2230000
N
Basic static load rating
Speeds
Grease
1300
min-1
Grease lubrication
Oil (Oil-bath)
1700
min-1
Oil-bath lubrication
da (min.)
291
mm
Diameter of shaft abutment
da (max.)
308
mm
Diameter of shaft abutment
dc (min.)
315
mm
Diameter of shaft abutment
d1a (min.)
295
mm
Diameter of spacer sleeve abutment
Da (max.)
369
mm
Diameter of housing abutment
rb (max.)
2
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
33
kg
Mass approx.
