Item # 478/472, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

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	Item # 478/472, 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 4

Cone Number		478

Cup Number		472

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.38

Y2 (Axial Load Factor)		1.56

Static Load Rating		41500 lbf 184000 N 184.00 kN

Dynamic Load Rating		29200 lbf 130000 N 130.00 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		2.5591 in 65.001 mm

D		4.7244 in 120.000 mm

Wo		0.9542 in 24.237 mm

Wi		1.1420 in 29.007 mm

W		1.1730 in 29.794 mm

r		0.0800 in 2.000 mm

R		0.09 in 2.3 mm

a (Effective Load Center)		-0.1500 in -3.900 mm

U		3.03 in 77.0 mm

V		2.87 in 73.0 mm

X		4.49 in 114.0 mm

Z		4.21 in 107.0 mm

Item # 478/472, Tapered Roller Set - Inch Series and J Series