NSK NN4968
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NN4968
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
340
mm
Bore diameter
D
460
mm
Outside diameter
B
118
mm
Width
r(min.)
3
mm
Chamfer Dimension
Basic Load Ratings
Cr
1350
kN
Basic Dynamic Load Rating
C0r
3400
kN
Basic Static Load Rating
Speeds
Grease
1700
min-1
Limiting Speed
Oil (Oil-air)
2000
min-1
Limiting Speed
Dimensions
Ew
428
mm
Roller Circumscribed Circle Diameters
s
3.0
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
353
mm
Diameter of Shaft Abutment
d1a(min.)
363
mm
Diameter of Shaft Abutment
Da(min.)
431
mm
Diameter of Housing Abutment
Da(max.)
447
mm
Diameter of Housing Abutment
ra(max.)
2.5
mm
Radius of Shaft or Housing Fillet
