NSK 27880/27820
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
27880/27820
Boundary Dimensions
d
38.1
mm
Bore diameter
D
80.035
mm
Outside diameter
T
24.608
mm
Total width
B
23.698
mm
Width of inner ring
C
18.512
mm
Width of outer ring
Cup r (min.)
1.5
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
0.8
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
84500
N
Basic dynamic load rating
C0r
84500
N
Basic static load rating
Speeds
Grease
4500
min-1
Grease lubrication
Oil (Oil-bath)
6300
min-1
Oil-bath lubrication
a
21.5
mm
Effective load center
Dimensions
da
48
mm
Diameter of shaft abutment
Da
68
mm
Diameter of housing abutment
db
47
mm
Diameter of shaft abutment
Db
75
mm
Diameter of housing abutment
ra (max.)
0.8
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
1.5
mm
Radius of shaft or housing fillet of outer ring
