NSK 30344
Metric Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
30344
Boundary Dimensions
d
220
mm
Bore diameter
D
460
mm
Outside diameter
T
97
mm
Total width
B
88
mm
Width of inner ring
C
73
mm
Width of outer ring
Cup r (min.)
5
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
6
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
1760000
N
Basic dynamic load rating
C0r
1990000
N
Basic static load rating
Speeds
Grease
750
min-1
Grease lubrication
Oil (Oil-bath)
1000
min-1
Oil-bath lubrication
a
85.3
mm
Effective load center
Dimensions
da (min.)
253
mm
Diameter of shaft abutment
Db (min.)
414
mm
Diameter of housing abutment
Da (min.)
390
mm
Diameter of housing abutment
Da (max.)
438
mm
Diameter of housing abutment
Sa
12
mm
Minimum width of space required in housing on large side face
Sb
24
mm
Minimum width of space required in housing on small side face
db (max.)
283
mm
Diameter of shaft abutment
ra (max.)
5
mm
Radius of shaft or housing fillet of inner ring
ra (max.)
4
mm
Radius of shaft or housing fillet of outer ring
