NSK NN4956
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NN4956
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
280
mm
Bore diameter
D
380
mm
Outside diameter
B
100
mm
Width
r(min.)
2.1
mm
Chamfer Dimension
Basic Load Ratings
Cr
960
kN
Basic Dynamic Load Rating
C0r
2230
kN
Basic Static Load Rating
Speeds
Grease
2000
min-1
Limiting Speed
Oil (Oil-air)
2500
min-1
Limiting Speed
Dimensions
Ew
355
mm
Roller Circumscribed Circle Diameters
s
2.4
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
291
mm
Diameter of Shaft Abutment
d1a(min.)
295
mm
Diameter of Shaft Abutment
Da(min.)
358
mm
Diameter of Housing Abutment
Da(max.)
369
mm
Diameter of Housing Abutment
ra(max.)
2
mm
Radius of Shaft or Housing Fillet
