NSK NN4940MBKR
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NN4940MBKR
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
200
mm
Bore diameter
D
280
mm
Outside diameter
B
80
mm
Width
r(min.)
2.1
mm
Chamfer Dimension
Basic Load Ratings
Cr
655
kN
Basic Dynamic Load Rating
C0r
1220
kN
Basic Static Load Rating
Speeds
Grease
3200
min-1
Limiting Speed
Oil (Oil-air)
3800
min-1
Limiting Speed
Dimensions
Ew
259
mm
Roller Circumscribed Circle Diameters
s
3.3
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
211
mm
Diameter of Shaft Abutment
d1a(min.)
214
mm
Diameter of Shaft Abutment
Da(min.)
261
mm
Diameter of Housing Abutment
Da(max.)
269
mm
Diameter of Housing Abutment
ra(max.)
2
mm
Radius of Shaft or Housing Fillet
