Item # 28678/28622, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

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	Item # 28678/28622, 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		28678

Cup Number		28622

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.40

Y2 (Axial Load Factor)		1.49

Static Load Rating		28800 lbf 128000 N 128.00 kN

Dynamic Load Rating		19900 lbf 88500 N 88.50 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		2.0000 in 50.800 mm

D		3.8437 in 97.630 mm

Wo		0.7656 in 19.446 mm

Wi		0.9688 in 24.608 mm

W		0.9688 in 24.608 mm

r		0.0300 in 0.800 mm

R		0.14 in 3.5 mm

a (Effective Load Center)		-0.1300 in -3.300 mm

U		2.56 in 65.0 mm

V		2.28 in 58.0 mm

X		3.62 in 92.0 mm

Z		3.46 in 88.0 mm

Item # 28678/28622, Tapered Roller Set - Inch Series and J Series