Item # 558A/553X, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

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	Item # 558A/553X, 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		558A

Cup Number		553X

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.35

Y2 (Axial Load Factor)		1.73

Static Load Rating		55000 lbf 245000 N 245.00 kN

Dynamic Load Rating		39000 lbf 173000 N 173.00 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		2.3750 in 60.325 mm

D		4.8125 in 122.238 mm

Wo		1.1875 in 30.163 mm

Wi		1.4440 in 36.678 mm

W		1.5000 in 38.100 mm

r		0.1300 in 3.300 mm

R		0.14 in 3.5 mm

a (Effective Load Center)		-0.3700 in -9.400 mm

U		2.99 in 76.0 mm

V		2.72 in 69.0 mm

X		4.53 in 115.0 mm

Z		4.25 in 108.0 mm

Item # 558A/553X, Tapered Roller Set - Inch Series and J Series