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LM78349/LM78310A

Inch Design Tapered Roller Bearings
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Parts Number
LM78349/LM78310A Inch Series Tapered Roller Bearings
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Display units

Parts Number

LM78349/LM78310A

Boundary Dimensions

d 35 mm Bore diameter
D 62 mm Outside diameter
T 16.7 mm Total width
B 17 mm Width of inner ring
C 13.6 mm Width of outer ring
Cup r (min.) 1.5 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) SPEC mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 47000 N Basic dynamic load rating
C0r 50000 N Basic static load rating

Speeds

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

Dimensions

a 14.4 mm Effective load center

Abutment and Fillet Dimensions

da 46 mm Diameter of shaft abutment
Da 54 mm Diameter of housing abutment
db 40 mm Diameter of shaft abutment
Db 59 mm Diameter of housing abutment
ra (max.) 3.5 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 0.44 Constant
Y0 0.74 Axial load Factors
Y1 1.4 Axial load Factors

Mass

CONE (approx.) 0.138 kg
CUP (approx.) 0.073 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations LM78349/LM78310A

© NSK Ltd.

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