Item # 47487/47420, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

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Technical Specifications

Type	N/A Tapered Roller Bearing
Bore Type	N/A Round
Material	N/A Case Carburized Steel
Style	N/A Cone & Cup
Precision Rating	N/A Class 4
Cone Number	N/A 47487
Cup Number	N/A 47420
Configuration	N/A One
Lubrication	N/A w/o Oil Hole
e (Axial Load Factor)	N/A 0.36
Y2 (Axial Load Factor)	N/A 1.67
Static Load Rating	N/A 56000 lbf249000 N249.00 kN
Dynamic Load Rating	N/A 37000 lbf164000 N164.00 kN
Enclosure	N/A Open
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Loading zoom Open Image Tapered Roller Set - Inch Series and J Series - Dimensions
B	N/A 2.7500 in69.850 mm
D	N/A 4.7244 in120.000 mm
Wo	N/A 1.0313 in26.195 mm
Wi	N/A 1.2813 in32.545 mm
W	N/A 1.2813 in32.545 mm
r	N/A 0.1300 in3.300 mm
R	N/A 0.14 in3.5 mm
a (Effective Load Center)	N/A -0.2500 in-6.400 mm
U	N/A 3.31 in84.0 mm
V	N/A 3.07 in78.0 mm
X	N/A 4.49 in114.0 mm
Z	N/A 4.21 in107.0 mm