Item # 30319D, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 30319D, 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		Through Hardened Steel

Limiting Speed - Oil		2200 RPM

Limiting Speed - Grease		1700.0 RPM

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		80000 lbf 355000 N 355.00 kN

Dynamic Load Rating		66500 lbf 296000 N 296.00 kN

Enclosure		Open

Weight		14.264 lb 6.470 kg

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

Dimensional Specifications

		Tapered Roller Set - Metric Series - Dimensions larger image

d		3.7402 in 95.000 mm

D		7.8740 in 200.000 mm

C		1.2598 in 32.000 mm

B		1.7717 in 45.000 mm

a (Effective Load Center)		0.5118 in 13.000 mm

T		1.9488 in 49.500 mm

r		0.1000 in 2.500 mm

R		0.12 in 3.0 mm

da		4.45 in 113.0 mm

db		4.49 in 114.0 mm

Da		6.22 in 158.0 mm

Da min		5.87 in 149.0 mm

Db		6.26 in 159.0 mm

Item # 30319D, Tapered Roller Set - Metric Series