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M12649/M12610

Inch Design Tapered Roller Bearings
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Parts Number
M12649/M12610 Inch Series Tapered Roller Bearings
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Display units

Parts Number

M12649/M12610

Boundary Dimensions

d 21.43 mm Bore diameter
D 50.005 mm Outside diameter
T 17.526 mm Total width
B 18.288 mm Width of inner ring
C 13.97 mm Width of outer ring
Cup r (min.) 1.3 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 1.3 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 47500 N Basic dynamic load rating
C0r 40000 N Basic static load rating

Speeds

Grease 8000 min-1 Grease lubrication
Oil (Oil-bath) 11000 min-1 Oil-bath lubrication

Dimensions

a 10.9 mm Effective load center

Abutment and Fillet Dimensions

da 27.5 mm Diameter of shaft abutment
Da 44 mm Diameter of housing abutment
db 25.5 mm Diameter of shaft abutment
Db 46 mm Diameter of housing abutment
ra (max.) 1.3 mm Radius of shaft or housing fillet of inner ring
ra (max.) 1.3 mm Radius of shaft or housing fillet of outer ring

Calculation factors

e 0.28 Constant
Y0 1.2 Axial load Factors
Y1 2.2 Axial load Factors

Mass

CONE (approx.) 0.115 kg
CUP (approx.) 0.059 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations M12649/M12610

© NSK Ltd.

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