NSK 780/772
Inch Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
780/772
Boundary Dimensions
d
101.6
mm
Bore diameter
D
180.975
mm
Outside diameter
T
47.625
mm
Total width
B
48.006
mm
Width of inner ring
C
38.1
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
315000
N
Basic dynamic load rating
C0r
375000
N
Basic static load rating
Speeds
Grease
2000
min-1
Grease lubrication
Oil (Oil-bath)
2600
min-1
Oil-bath lubrication
a
39.1
mm
Effective load center
Dimensions
da
119
mm
Diameter of shaft abutment
Da
161
mm
Diameter of housing abutment
db
113
mm
Diameter of shaft abutment
Db
168
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
