NSK NN3056KR
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NN3056KR
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
280
mm
Bore diameter
D
420
mm
Outside diameter
B
106
mm
Width
r(min.)
4
mm
Chamfer Dimension
Basic Load Ratings
Cr
1080
kN
Basic Dynamic Load Rating
C0r
2080
kN
Basic Static Load Rating
Speeds
Grease
1900
min-1
Limiting Speed
Oil (Oil-air)
2300
min-1
Limiting Speed
Dimensions
Ew
384
mm
Roller Circumscribed Circle Diameters
s
3.5
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
296
mm
Diameter of Shaft Abutment
d1a(min.)
298
mm
Diameter of Shaft Abutment
Da(min.)
388
mm
Diameter of Housing Abutment
Da(max.)
404
mm
Diameter of Housing Abutment
ra(max.)
3
mm
Radius of Shaft or Housing Fillet
