NSK NN3028TBKR
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NN3028TBKR
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
345
kN
Basic Dynamic Load Rating
C0r
515
kN
Basic Static Load Rating
Speeds
Grease
4900
min-1
Limiting Speed
Oil (Oil-air)
5700
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
