Item # 30318D, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 30318D, 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		2400 RPM

Limiting Speed - Grease		1800 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		72000 lbf 320000 N 320.00 kN

Dynamic Load Rating		60500 lbf 270000 N 270.00 kN

Enclosure		Open

Weight		12.478 lb 5.660 kg

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

Dimensional Specifications

		Tapered Roller Set - Metric Series - Dimensions larger image

d		3.5433 in 90.000 mm

D		7.4803 in 190.000 mm

C		1.1811 in 30.000 mm

B		1.6929 in 43.000 mm

a (Effective Load Center)		0.4921 in 12.500 mm

T		1.8307 in 46.500 mm

r		0.1000 in 2.500 mm

R		0.12 in 3.0 mm

da		4.25 in 108.0 mm

db		4.29 in 109.0 mm

Da		6.93 in 176.0 mm

Da min		6.50 in 165.0 mm

Db		6.97 in 177.0 mm

Item # 30318D, Tapered Roller Set - Metric Series