NSK NN4964
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NN4964
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
320
mm
Bore diameter
D
440
mm
Outside diameter
B
118
mm
Width
r(min.)
3
mm
Chamfer Dimension
Basic Load Ratings
Cr
1260
kN
Basic Dynamic Load Rating
C0r
3050
kN
Basic Static Load Rating
Speeds
Grease
1800
min-1
Limiting Speed
Oil (Oil-air)
2100
min-1
Limiting Speed
Dimensions
Ew
408
mm
Roller Circumscribed Circle Diameters
s
3.5
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
333
mm
Diameter of Shaft Abutment
d1a(min.)
338
mm
Diameter of Shaft Abutment
Da(min.)
411
mm
Diameter of Housing Abutment
Da(max.)
427
mm
Diameter of Housing Abutment
ra(max.)
2.5
mm
Radius of Shaft or Housing Fillet
