Item # 18685/18620, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

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	Item # 18685/18620, 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		18685

Cup Number		18620

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.37

Y2 (Axial Load Factor)		1.60

Static Load Rating		12500 lbf 55600 N 55.60 kN

Dynamic Load Rating		10200 lbf 45500 N 45.50 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		1.7500 in 44.450 mm

D		3.1250 in 79.375 mm

Wo		0.5313 in 13.495 mm

Wi		0.6875 in 17.462 mm

W		0.6875 in 17.462 mm

r		0.0600 in 1.500 mm

R		0.11 in 2.8 mm

a (Effective Load Center)		-0.0900 in -2.200 mm

U		2.13 in 54.0 mm

V		1.95 in 49.5 mm

X		2.91 in 74.0 mm

Z		2.80 in 71.0 mm

Item # 18685/18620, Tapered Roller Set - Inch Series and J Series