Item # 44143/44348PX2, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

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	Item # 44143/44348PX2, 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		Special Tolerance

Cone Number		44143

Cup Number		44348PX2

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.78

Y2 (Axial Load Factor)		0.77

Static Load Rating		17500 lbf 78000 N 78.00 kN

Dynamic Load Rating		15800 lbf 70500 N 70.50 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		1.4375 in 36.512 mm

D		3.4843 in 88.500 mm

Wo		0.6875 in 17.463 mm

Wi		0.9330 in 23.698 mm

W		1.0000 in 25.400 mm

r		0.0600 in 1.500 mm

R		0.09 in 2.3 mm

a (Effective Load Center)		0.1100 in 2.900 mm

U		2.13 in 54.0 mm

V		1.97 in 50.0 mm

X		3.31 in 84.0 mm

Item # 44143/44348PX2, Tapered Roller Set - Inch Series and J Series