NSK NN49/630K
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NN49/630K
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
630
mm
Bore diameter
D
850
mm
Outside diameter
B
218
mm
Width
r(min.)
6
mm
Chamfer Dimension
Basic Load Ratings
Cr
4200
kN
Basic Dynamic Load Rating
C0r
11400
kN
Basic Static Load Rating
Speeds
Grease
800
min-1
Limiting Speed
Oil (Oil-air)
1000
min-1
Limiting Speed
Dimensions
Ew
793
mm
Roller Circumscribed Circle Diameters
s
2.8
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
656
mm
Diameter of Shaft Abutment
d1a(min.)
674
mm
Diameter of Shaft Abutment
Da(min.)
796
mm
Diameter of Housing Abutment
Da(max.)
824
mm
Diameter of Housing Abutment
ra(max.)
5
mm
Radius of Shaft or Housing Fillet
