Item # 30308D, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 30308D, Tapered Roller Set - Metric 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 0

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.83

Y2 (Axial Load Factor)		0.73

Y0 (Axial Load Factor)		0.40

Static Load Rating		19200 lbf 85500 N 85.50 kN

Dynamic Load Rating		17300 lbf 77000 N 77.00 kN

Enclosure		Open

Operating Temperature Range		-40 to 250 ºF -40 to 120 ºC

Dimensional Specifications

		Tapered Roller Set - Metric Series - Dimensions larger image

d		1.5748 in 40.000 mm

D		3.5433 in 90.000 mm

C		0.6693 in 17.000 mm

B		0.9055 in 23.000 mm

a (Effective Load Center)		0.1673 in 4.250 mm

T		0.9941 in 25.250 mm

r		0.0600 in 1.500 mm

R		0.08 in 2.0 mm

da		1.97 in 50.0 mm

db		1.97 in 50.0 mm

Da		3.21 in 81.5 mm

Da min		2.80 in 71.0 mm

Db		3.41 in 86.5 mm

Item # 30308D, Tapered Roller Set - Metric Series