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46780/46720

Inch Design Tapered Roller Bearings
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Parts Number
46780/46720 Inch Series Tapered Roller Bearings
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Display units

Parts Number

46780/46720

Boundary Dimensions

d 158.75 mm Bore diameter
D 225.425 mm Outside diameter
T 41.275 mm Total width
B 39.688 mm Width of inner ring
C 33.338 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 295000 N Basic dynamic load rating
C0r 540000 N Basic static load rating

Speeds

Grease 1400 min-1 Grease lubrication
Oil (Oil-bath) 1900 min-1 Oil-bath lubrication

Dimensions

a 44.3 mm Effective load center

Abutment and Fillet Dimensions

da 176 mm Diameter of shaft abutment
Da 209 mm Diameter of housing abutment
db 169 mm Diameter of shaft abutment
Db 218 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 0.38 Constant
Y0 0.86 Axial load Factors
Y1 1.6 Axial load Factors

Mass

CONE (approx.) 3.69 kg
CUP (approx.) 1.66 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 46780/46720

© NSK Ltd.

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