NSK NN3028ZTB
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NN3028ZTB
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
140
mm
Bore diameter
D
210
mm
Outside diameter
B
53
mm
Width
r(min.)
2
mm
Chamfer Dimension
Basic Load Ratings
Cr
204
kN
Basic Dynamic Load Rating
C0r
258
kN
Basic Static Load Rating
Speeds
Grease
5200
min-1
Limiting Speed
Oil (Oil-air)
6800
min-1
Limiting Speed
Dimensions
Ew
192
mm
Roller Circumscribed Circle Diameters
s
1.3
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
149
mm
Diameter of Shaft Abutment
d1a(min.)
151
mm
Diameter of Shaft Abutment
Da(min.)
195
mm
Diameter of Housing Abutment
Da(max.)
201
mm
Diameter of Housing Abutment
ra(max.)
2
mm
Radius of Shaft or Housing Fillet
