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M86643/M86610

Inch Design Tapered Roller Bearings
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Parts Number
M86643/M86610 Inch Series Tapered Roller Bearings
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Display units

Parts Number

M86643/M86610

Boundary Dimensions

d 25.4 mm Bore diameter
D 64.292 mm Outside diameter
T 21.433 mm Total width
B 21.433 mm Width of inner ring
C 16.67 mm Width of outer ring
Cup r (min.) 1.5 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 1.5 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 63000 N Basic dynamic load rating
C0r 64500 N Basic static load rating

Speeds

Grease 5600 min-1 Grease lubrication
Oil (Oil-bath) 8000 min-1 Oil-bath lubrication

Dimensions

a 17.7 mm Effective load center

Abutment and Fillet Dimensions

da 38 mm Diameter of shaft abutment
Da 54 mm Diameter of housing abutment
db 36.5 mm Diameter of shaft abutment
Db 61 mm Diameter of housing abutment
ra (max.) 1.5 mm Radius of shaft or housing fillet of inner ring
ra (max.) 1.5 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.) 0.246 kg
CUP (approx.) 0.128 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations M86643/M86610

© NSK Ltd.

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