Item # 02878/02820, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

Search Catalog



	All Categories Tapered Roller Set - Inch Series and J Series


	Item # 02878/02820, Tapered Roller Set - Inch Series and J Series

Unit of Measure: Imperial Metric Both

Order Now · Technical Specifications · Dimensional Specifications

Order Now

Ordering Options		Order Online through NTN DOL Contact NTN Customer Relations Search for a Licensed Distributor

Technical Specifications

Type		Tapered Roller Bearing

Bore Type		Round

Material		Case Carburized Steel

Style		Cone & Cup

Precision Rating		Class 4

Cone Number		02878

Cup Number		02820

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.45

Y2 (Axial Load Factor)		1.32

Static Load Rating		15300 lbf 68000 N 68.00 kN

Dynamic Load Rating		12700 lbf 56500 N 56.50 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		1.3750 in 34.925 mm

D		2.8750 in 73.025 mm

Wo		0.6875 in 17.463 mm

Wi		0.8750 in 22.225 mm

W		0.8750 in 22.225 mm

r		0.1300 in 3.300 mm

R		0.03 in 0.8 mm

a (Effective Load Center)		-0.1500 in -3.900 mm

U		1.67 in 42.5 mm

V		1.65 in 42.0 mm

X		2.68 in 68.0 mm

Z		2.44 in 62.0 mm

Item # 02878/02820, Tapered Roller Set - Inch Series and J Series