NSK NN4960
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NN4960
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
300
mm
Bore diameter
D
420
mm
Outside diameter
B
118
mm
Width
r(min.)
3
mm
Chamfer Dimension
Basic Load Ratings
Cr
1230
kN
Basic Dynamic Load Rating
C0r
2870
kN
Basic Static Load Rating
Speeds
Grease
1800
min-1
Limiting Speed
Oil (Oil-air)
2300
min-1
Limiting Speed
Dimensions
Ew
388
mm
Roller Circumscribed Circle Diameters
s
2.5
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
313
mm
Diameter of Shaft Abutment
d1a(min.)
318
mm
Diameter of Shaft Abutment
Da(min.)
391
mm
Diameter of Housing Abutment
Da(max.)
407
mm
Diameter of Housing Abutment
ra(max.)
2.5
mm
Radius of Shaft or Housing Fillet
