NSK NN3021ZTBKR
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NN3021ZTBKR
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
105
mm
Bore diameter
D
160
mm
Outside diameter
B
41
mm
Width
r(min.)
2
mm
Chamfer Dimension
Basic Load Ratings
Cr
135
kN
Basic Dynamic Load Rating
C0r
161
kN
Basic Static Load Rating
Speeds
Grease
6800
min-1
Limiting Speed
Oil (Oil-air)
9000
min-1
Limiting Speed
Dimensions
Ew
146
mm
Roller Circumscribed Circle Diameters
s
2.7
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
114
mm
Diameter of Shaft Abutment
d1a(min.)
115
mm
Diameter of Shaft Abutment
Da(min.)
148
mm
Diameter of Housing Abutment
Da(max.)
151
mm
Diameter of Housing Abutment
ra(max.)
2
mm
Radius of Shaft or Housing Fillet
