NSK 68462/68712
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
68462/68712
Boundary Dimensions
d
117.475
mm
Bore diameter
D
180.975
mm
Outside diameter
T
34.925
mm
Total width
B
31.75
mm
Width of inner ring
C
25.4
mm
Width of outer ring
Cup r (min.)
3.3
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
3.5
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
200000
N
Basic dynamic load rating
C0r
237000
N
Basic static load rating
Speeds
Grease
1800
min-1
Grease lubrication
Oil (Oil-bath)
2400
min-1
Oil-bath lubrication
a
40
mm
Effective load center
Dimensions
da
132
mm
Diameter of shaft abutment
Da
163
mm
Diameter of housing abutment
db
125
mm
Diameter of shaft abutment
Db
172
mm
Diameter of housing abutment
ra (max.)
3.5
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
3.3
mm
Radius of shaft or housing fillet of outer ring
