Item # 4T-LL639249/LL63#01, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

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	Item # 4T-LL639249/LL63#01, 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		LL639249

Cup Number		LL639210

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.42

Y2 (Axial Load Factor)		1.44

Static Load Rating		74000 lbf 330000.0 N 330.00 kN

Dynamic Load Rating		36000 lbf 160000 N 160.00 kN

Enclosure		Open

Weight		4.564 lb 2.070 kg

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		7.7500 in 196.850 mm

D		9.5000 in 241.300 mm

Wo		0.6875 in 17.462 mm

Wi		0.9062 in 23.017 mm

W		0.9375 in 23.812 mm

r		0.0600 in 1.500 mm

R		0.06 in 1.5 mm

a (Effective Load Center)		0.6800 in 17.300 mm

U		8.07 in 205.0 mm

V		7.99 in 203.0 mm

X		9.29 in 236.0 mm

Z		9.13 in 232.0 mm

Item # 4T-LL639249/LL63#01, Tapered Roller Set - Inch Series and J Series