NSK 28680/28622
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
28680/28622
Boundary Dimensions
d
55.562
mm
Bore diameter
D
97.63
mm
Outside diameter
T
24.608
mm
Total width
B
24.608
mm
Width of inner ring
C
19.446
mm
Width of outer ring
Cup r (min.)
0.8
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
3.5
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
110000
N
Basic dynamic load rating
C0r
129000
N
Basic static load rating
Speeds
Grease
3600
min-1
Grease lubrication
Oil (Oil-bath)
5000
min-1
Oil-bath lubrication
a
21.3
mm
Effective load center
Dimensions
da
68
mm
Diameter of shaft abutment
Da
88
mm
Diameter of housing abutment
db
62
mm
Diameter of shaft abutment
Db
92
mm
Diameter of housing abutment
ra (max.)
3.5
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
0.8
mm
Radius of shaft or housing fillet of outer ring
