NSK NN3068KR
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NN3068KR
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
340
mm
Bore diameter
D
520
mm
Outside diameter
B
133
mm
Width
r(min.)
5
mm
Chamfer Dimension
Basic Load Ratings
Cr
1670
kN
Basic Dynamic Load Rating
C0r
3300
kN
Basic Static Load Rating
Speeds
Grease
1600
min-1
Limiting Speed
Oil (Oil-air)
1900
min-1
Limiting Speed
Dimensions
Ew
473
mm
Roller Circumscribed Circle Diameters
s
6.8
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
360
mm
Diameter of Shaft Abutment
d1a(min.)
365
mm
Diameter of Shaft Abutment
Da(min.)
477
mm
Diameter of Housing Abutment
Da(max.)
500
mm
Diameter of Housing Abutment
ra(max.)
4
mm
Radius of Shaft or Housing Fillet
