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HM88542/HM88510

Inch Design Tapered Roller Bearings
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Parts Number
HM88542/HM88510 Inch Series Tapered Roller Bearings
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Display units

Parts Number

HM88542/HM88510

Boundary Dimensions

d 31.75 mm Bore diameter
D 73.025 mm Outside diameter
T 29.37 mm Total width
B 27.783 mm Width of inner ring
C 23.02 mm Width of outer ring
Cup r (min.) 3.3 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 1.3 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 91000 N Basic dynamic load rating
C0r 100000 N Basic static load rating

Speeds

Grease 5000 min-1 Grease lubrication
Oil (Oil-bath) 7100 min-1 Oil-bath lubrication

Dimensions

a 23.5 mm Effective load center

Abutment and Fillet Dimensions

da 45.5 mm Diameter of shaft abutment
Da 59 mm Diameter of housing abutment
db 42.5 mm Diameter of shaft abutment
Db 70 mm Diameter of housing abutment
ra (max.) 1.3 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 0.55 Constant
Y0 0.6 Axial load Factors
Y1 1.1 Axial load Factors

Mass

CONE (approx.) 0.379 kg
CUP (approx.) 0.242 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations HM88542/HM88510

© NSK Ltd.

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