Item # 30307D, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 30307D, 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		5800 RPM

Limiting Speed - Grease		4400.0 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		15700 lbf 70000 N 70.00 kN

Dynamic Load Rating		14300 lbf 63500 N 63.50 kN

Enclosure		Open

Weight		1.168 lb 0.530 kg

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

Dimensional Specifications

		Tapered Roller Set - Metric Series - Dimensions larger image

d		1.3780 in 35.000 mm

D		3.1496 in 80.000 mm

C		0.5906 in 15.000 mm

B		0.8268 in 21.000 mm

a (Effective Load Center)		0.1280 in 3.250 mm

T		0.8957 in 22.750 mm

r		0.0600 in 1.500 mm

R		0.08 in 2.0 mm

da		1.77 in 45.0 mm

db		1.73 in 44.0 mm

Da		2.81 in 71.5 mm

Da min		2.44 in 62.0 mm

Db		3.01 in 76.5 mm

Item # 30307D, Tapered Roller Set - Metric Series