NSK NN4992K
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NN4992K
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
460
mm
Bore diameter
D
620
mm
Outside diameter
B
160
mm
Width
r(min.)
4
mm
Chamfer Dimension
Basic Load Ratings
Cr
2400
kN
Basic Dynamic Load Rating
C0r
6200
kN
Basic Static Load Rating
Speeds
Grease
1100
min-1
Limiting Speed
Oil (Oil-air)
1300
min-1
Limiting Speed
Dimensions
Ew
579
mm
Roller Circumscribed Circle Diameters
s
3.3
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
476
mm
Diameter of Shaft Abutment
d1a(min.)
489
mm
Diameter of Shaft Abutment
Da(min.)
582
mm
Diameter of Housing Abutment
Da(max.)
604
mm
Diameter of Housing Abutment
ra(max.)
3
mm
Radius of Shaft or Housing Fillet
