NSK NN4996
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NN4996
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
480
mm
Bore diameter
D
650
mm
Outside diameter
B
170
mm
Width
r(min.)
5
mm
Chamfer Dimension
Basic Load Ratings
Cr
2690
kN
Basic Dynamic Load Rating
C0r
7000
kN
Basic Static Load Rating
Speeds
Grease
1000
min-1
Limiting Speed
Oil (Oil-air)
1300
min-1
Limiting Speed
Dimensions
Ew
607
mm
Roller Circumscribed Circle Diameters
s
2.0
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
500
mm
Diameter of Shaft Abutment
d1a(min.)
514
mm
Diameter of Shaft Abutment
Da(min.)
610
mm
Diameter of Housing Abutment
Da(max.)
630
mm
Diameter of Housing Abutment
ra(max.)
4
mm
Radius of Shaft or Housing Fillet
