NSK NN4984
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NN4984
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
420
mm
Bore diameter
D
560
mm
Outside diameter
B
140
mm
Width
r(min.)
4
mm
Chamfer Dimension
Basic Load Ratings
Cr
2000
kN
Basic Dynamic Load Rating
C0r
5150
kN
Basic Static Load Rating
Speeds
Grease
1200
min-1
Limiting Speed
Oil (Oil-air)
1500
min-1
Limiting Speed
Dimensions
Ew
525
mm
Roller Circumscribed Circle Diameters
s
4.0
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
436
mm
Diameter of Shaft Abutment
d1a(min.)
448
mm
Diameter of Shaft Abutment
Da(min.)
528
mm
Diameter of Housing Abutment
Da(max.)
544
mm
Diameter of Housing Abutment
ra(max.)
3
mm
Radius of Shaft or Housing Fillet
