NSK HM88638/HM88610
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
HM88638/HM88610
Boundary Dimensions
d
32
mm
Bore diameter
D
72.233
mm
Outside diameter
T
25.4
mm
Total width
B
25.4
mm
Width of inner ring
C
19.842
mm
Width of outer ring
Cup r (min.)
2.3
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
3.3
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
78000
N
Basic dynamic load rating
C0r
83500
N
Basic static load rating
Speeds
Grease
5000
min-1
Grease lubrication
Oil (Oil-bath)
7100
min-1
Oil-bath lubrication
a
20.7
mm
Effective load center
Dimensions
da
48.5
mm
Diameter of shaft abutment
Da
60
mm
Diameter of housing abutment
db
42.5
mm
Diameter of shaft abutment
Db
60
mm
Diameter of housing abutment
ra (max.)
3.3
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
2.3
mm
Radius of shaft or housing fillet of outer ring
