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JM738249/JM738210

Inch Design Tapered Roller Bearings
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Parts Number
JM738249/JM738210 Inch Series Tapered Roller Bearings
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Display units

Parts Number

JM738249/JM738210

Boundary Dimensions

d 190 mm Bore diameter
D 260 mm Outside diameter
T 46 mm Total width
B 44 mm Width of inner ring
C 36.5 mm Width of outer ring
Cup r (min.) 2.5 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 3 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 455000 N Basic dynamic load rating
C0r 730000 N Basic static load rating

Speeds

Grease 1100 min-1 Grease lubrication
Oil (Oil-bath) 1600 min-1 Oil-bath lubrication

Dimensions

a 56.4 mm Effective load center

Abutment and Fillet Dimensions

da 206 mm Diameter of shaft abutment
Da 242 mm Diameter of housing abutment
db 200 mm Diameter of shaft abutment
Db 252 mm Diameter of housing abutment
ra (max.) 3 mm Radius of shaft or housing fillet of inner ring
ra (max.) 2.5 mm Radius of shaft or housing fillet of outer ring

Calculation factors

e 0.48 Constant
Y0 0.69 Axial load Factors
Y1 1.3 Axial load Factors

Mass

CONE (approx.) 4.73 kg
CUP (approx.) 2.2 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations JM738249/JM738210

© NSK Ltd.

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