NSK NN3008ZTBKR
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NN3008ZTBKR
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
40
mm
Bore diameter
D
68
mm
Outside diameter
B
21
mm
Width
r(min.)
1
mm
Chamfer Dimension
Basic Load Ratings
Cr
29.6
kN
Basic Dynamic Load Rating
C0r
27.7
kN
Basic Static Load Rating
Speeds
Grease
16600
min-1
Limiting Speed
Oil (Oil-air)
22000
min-1
Limiting Speed
Dimensions
Ew
61
mm
Roller Circumscribed Circle Diameters
s
1.4
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
45
mm
Diameter of Shaft Abutment
d1a(min.)
46
mm
Diameter of Shaft Abutment
Da(min.)
62
mm
Diameter of Housing Abutment
Da(max.)
63
mm
Diameter of Housing Abutment
ra(max.)
1
mm
Radius of Shaft or Housing Fillet
