Item # 28880/28820E1, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

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	Item # 28880/28820E1, 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		28880

Cup Number		28820E1

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.32

Y2 (Axial Load Factor)		1.85

Static Load Rating		80500 lbf 358000 N 358.00 kN

Dynamic Load Rating		33000 lbf 147000 N 147.00 kN

Enclosure		Open

Weight		7.253 lb 3.290 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		9.7500 in 247.650 mm

D		12.0000 in 304.800 mm

Wo		0.6250 in 15.875 mm

Wi		0.8750 in 22.225 mm

W		0.8750 in 22.225 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

Item # 28880/28820E1, Tapered Roller Set - Inch Series and J Series