Item # 28158/28300, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

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	Item # 28158/28300, 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

Limiting Speed - Grease		5000 RPM

Style		Cone & Cup

Precision Rating		Class 4

Cone Number		28158

Cup Number		28300

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.40

Y2 (Axial Load Factor)		1.49

Static Load Rating		14200 lbf 63000 N 63.00 kN

Dynamic Load Rating		12500 lbf 55500 N 55.50 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		1.5748 in 40.000 mm

D		3.0000 in 76.200 mm

Wo		0.6105 in 15.507 mm

Wi		0.8244 in 20.940 mm

W		0.8125 in 20.638 mm

r		0.0500 in 1.300 mm

R		0.06 in 1.5 mm

a (Effective Load Center)		-0.1900 in -4.800 mm

U		1.87 in 47.5 mm

V		1.77 in 45.0 mm

X		2.80 in 71.0 mm

Z		2.68 in 68.0 mm

ras max		0.0591 in 2.000 mm

r1as max		0.0512 in 1.000 mm

Item # 28158/28300, Tapered Roller Set - Inch Series and J Series