Item # 5578/5521, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

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	Item # 5578/5521, 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		5578

Cup Number		5521

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.36

Y2 (Axial Load Factor)		1.67

Static Load Rating		72000 lbf 320000 N 320.00 kN

Dynamic Load Rating		47000 lbf 210000 N 210.00 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		2.1250 in 53.975 mm

D		5.1181 in 130.000 mm

Wo		1.4350 in 36.449 mm

Wi		1.7230 in 43.764 mm

W		1.7500 in 44.450 mm

r		0.1300 in 3.300 mm

R		0.14 in 3.5 mm

a (Effective Load Center)		-0.4800 in -12.200 mm

U		2.87 in 73.0 mm

V		2.64 in 67.0 mm

X		4.92 in 125.0 mm

Z		4.49 in 114.0 mm

Item # 5578/5521, Tapered Roller Set - Inch Series and J Series