Item # 47490/47420, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

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	Item # 47490/47420, Tapered Roller Set - Inch Series and J Series

Unit of Measure: Imperial Metric Both

Order Now · Technical Specifications · Dimensional Specifications

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Ordering Options		Find a Distributor Contact NTN Customer Support Specialist Order through NTN DOL (Authorized Distributors Only)

Technical Specifications

Type		Tapered Roller Bearing

Bore Type		Round

Material		Case Carburized Steel

Style		Cone & Cup

Precision Rating		Class 2

Cone Number		47490

Cup Number		47420

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.36

Y2 (Axial Load Factor)		1.67

Static Load Rating		56000 lbf 249000.0 N 249.00 kN

Dynamic Load Rating		37000 lbf 164000 N 164.00 kN

Enclosure		Open

Operating Temperature Range		-40 to 250 ºF -40 to 120 ºC

Dimensional Specifications

		Tapered Roller Set - Inch Series and J Series - Dimensions larger image

B		2.8125 in 71.438 mm

D		4.7244 in 120.000 mm

Wo		1.0313 in 26.195 mm

Wi		1.2813 in 32.545 mm

W		1.2813 in 32.545 mm

r		0.1300 in 3.300 mm

R		0.14 in 3.5 mm

a (Effective Load Center)		-0.2500 in -6.400 mm

U		3.39 in 86.0 mm

V		3.11 in 79.0 mm

X		4.49 in 114.0 mm

Z		4.21 in 107.0 mm

Item # 47490/47420, Tapered Roller Set - Inch Series and J Series