Item # 30304A, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 30304A, 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

Limiting Speed - Oil		11000 RPM

Limiting Speed - Grease		8000 RPM

Style		Cone & Cup

Precision Rating		Class 0

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.30

Y2 (Axial Load Factor)		2.00

Y0 (Axial Load Factor)		1.1

Static Load Rating		7650 lbf 34000 N 34.00 kN

Dynamic Load Rating		8000 lbf 35500 N 35.50 kN

Enclosure		Open

Weight		0.388 lb 0.176 kg

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

Dimensional Specifications

		Tapered Roller Set - Metric Series - Dimensions larger image

d		0.7874 in 20.000 mm

D		2.0472 in 52.000 mm

C		0.5118 in 13.000 mm

B		0.6299 in 16.000 mm

a (Effective Load Center)		-0.2264 in -5.750 mm

T		0.6398 in 16.250 mm

r		0.0600 in 1.500 mm

R		0.06 in 1.5 mm

da		1.12 in 28.5 mm

db		1.10 in 28.0 mm

Da		1.80 in 45.7 mm

Da min		1.69 in 42.8 mm

Db		1.91 in 48.6 mm

Item # 30304A, Tapered Roller Set - Metric Series