NSK NNU4960
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NNU4960
Boundary Dimensions
d
300
mm
Bore diameter
D
420
mm
Outside diameter
B
118
mm
Width
FW
336
mm
Raceway diameter of inner ring
r (min.)
3
mm
Chamfer dimension
Basic Load Ratings
Cr
1510000
N
Basic dynamic load rating
C0r
2870000
N
Basic static load rating
Speeds
Grease
1200
min-1
Grease lubrication
Oil (Oil-bath)
1500
min-1
Oil-bath lubrication
da (min.)
313
mm
Diameter of shaft abutment
da (max.)
335
mm
Diameter of shaft abutment
dc (min.)
343
mm
Diameter of shaft abutment
d1a (min.)
318
mm
Diameter of spacer sleeve abutment
Da (max.)
407
mm
Diameter of housing abutment
rb (max.)
2.5
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
51.8
kg
Mass approx.
