NSK 45289/45221
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
45289/45221
Boundary Dimensions
d
57.15
mm
Bore diameter
D
104.775
mm
Outside diameter
T
30.162
mm
Total width
B
30.958
mm
Width of inner ring
C
23.812
mm
Width of outer ring
Cup r (min.)
0.8
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
0.8
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
160000
N
Basic dynamic load rating
C0r
170000
N
Basic static load rating
Speeds
Grease
3400
min-1
Grease lubrication
Oil (Oil-bath)
4800
min-1
Oil-bath lubrication
a
21.9
mm
Effective load center
Dimensions
da
65
mm
Diameter of shaft abutment
Da
95
mm
Diameter of housing abutment
db
65
mm
Diameter of shaft abutment
Db
99
mm
Diameter of housing abutment
ra (max.)
0.8
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
0.8
mm
Radius of shaft or housing fillet of outer ring
