NSK NN49/670
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NN49/670
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
670
mm
Bore diameter
D
900
mm
Outside diameter
B
230
mm
Width
r(min.)
6
mm
Chamfer Dimension
Basic Load Ratings
Cr
4150
kN
Basic Dynamic Load Rating
C0r
11500
kN
Basic Static Load Rating
Speeds
Grease
700
min-1
Limiting Speed
Oil (Oil-air)
900
min-1
Limiting Speed
Dimensions
Ew
838
mm
Roller Circumscribed Circle Diameters
s
6.3
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
696
mm
Diameter of Shaft Abutment
d1a(min.)
715
mm
Diameter of Shaft Abutment
Da(min.)
841
mm
Diameter of Housing Abutment
Da(max.)
874
mm
Diameter of Housing Abutment
ra(max.)
5
mm
Radius of Shaft or Housing Fillet
