9380/9321

Inch Design Tapered Roller Bearings
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Parts Number

9380/9321

Boundary Dimensions

d 76.2 mm Bore diameter
D 171.45 mm Outside diameter
T 49.212 mm Total width
B 46.038 mm Width of inner ring
C 31.75 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 310000 N Basic static load rating

Speeds

Grease 2000 min-1 Grease lubrication
Oil (Oil-bath) 2800 min-1 Oil-bath lubrication

Dimensions

a 54.1 mm Effective load center

Abutment and Fillet Dimensions

da 105 mm Diameter of shaft abutment
Da 147 mm Diameter of housing abutment
db 98 mm Diameter of shaft abutment
Db 164 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

Calculation factors

e 0.76 Constant
Y0 0.43 Axial load Factors
Y1 0.79 Axial load Factors

Mass

CONE (approx.) 3.47 kg
CUP (approx.) 1.51 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 9380/9321
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