HR32230J Series

Metric Series Tapered Roller Bearings
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Designations

HR32230J

Dimension series

ISO 4GD ISO355 dimension series approx.

Boundary Dimensions

d 150 mm Bore diameter
D 270 mm Outside diameter
T 77 mm Total width
B 73 mm Width of inner ring
C 60 mm Width of outer ring
Cup r (min.) 3 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 4 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 865000 N Basic dynamic load rating
C0r 1080000 N Basic static load rating

Speeds

Grease 1300 min-1 Grease lubrication
Oil (Oil-bath) 1800 min-1 Oil-bath lubrication

Dimensions

a 64.7 mm Effective load center

Abutment and Fillet Dimensions

da (min.) 171 mm Diameter of shaft abutment
Db (min.) 254 mm Diameter of housing abutment
Da (min.) 228 mm Diameter of housing abutment
Da (max.) 256 mm Diameter of housing abutment
Sa 8 mm Minimum width of space required in housing on large side face
Sb 17 mm Minimum width of space required in housing on small side face
db (max.) 171 mm Diameter of shaft abutment
ra (max.) 3 mm Radius of shaft or housing fillet of inner ring
ra (max.) 2.5 mm Radius of shaft or housing fillet of outer ring

Calculation factors

e 0.44 Constant
Y0 0.76 Axial load Factors
Y1 1.4 Axial load Factors

Mass

(approx.) 17.8 kg
Designations Boundary Dimensions Basic Load Ratings Tolerance Class Limiting Speeds Mass
d
(mm)
D
(mm)
T
(mm)
B
(mm)
C
(mm)
Cr
(N)
C0r
(N)
Grease
(min-1)
Oil (Oil-bath)
(min-1)
(approx.)
(kg)
HR32230J 150 270 77 73 60 865000 1080000 1300 1800 17.8

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Not to scale.
(*) The chamfer dimensions are minimum values.
Suffix C represents medium-angle tapered roller bearings. Since they are designed for specific applications, please consult NSK when using bearings with suffix C.
The bore diameter "no-go side" tolerances (High) specified in this drawing do not necessarily apply within a distance from the ring face to 1.2 times the chamfer dimension r (max).
Some of these tolerances conform to NSK standards.

CAD
More Information
NSK Product Type2 TRBSR_MD
NSK Product Type Bearing
Designations HR32230J
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