NSK NN3976KR
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NN3976KR
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
380
mm
Bore diameter
D
520
mm
Outside diameter
B
106
mm
Width
r(min.)
4
mm
Chamfer Dimension
Basic Load Ratings
Cr
1250
kN
Basic Dynamic Load Rating
C0r
2730
kN
Basic Static Load Rating
Speeds
Grease
1500
min-1
Limiting Speed
Oil (Oil-air)
1800
min-1
Limiting Speed
Dimensions
Ew
484
mm
Roller Circumscribed Circle Diameters
s
3.5
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
396
mm
Diameter of Shaft Abutment
d1a(min.)
405
mm
Diameter of Shaft Abutment
Da(min.)
487
mm
Diameter of Housing Abutment
Da(max.)
504
mm
Diameter of Housing Abutment
ra(max.)
3
mm
Radius of Shaft or Housing Fillet
