Item # 30309D, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 30309D, 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		4600 RPM

Limiting Speed - Grease		3500 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		24500 lbf 109000 N 109.00 kN

Dynamic Load Rating		21600 lbf 96000.0 N 96.00 kN

Enclosure		Open

Weight		2.112 lb 0.958 kg

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

Dimensional Specifications

		Tapered Roller Set - Metric Series - Dimensions larger image

d		1.7717 in 45.000 mm

D		3.9370 in 100.000 mm

C		0.7087 in 18.000 mm

B		0.9843 in 25.000 mm

a (Effective Load Center)		0.2067 in 5.250 mm

T		1.0728 in 27.250 mm

r		0.0600 in 1.500 mm

R		0.08 in 2.0 mm

da		2.17 in 55.0 mm

db		2.20 in 56.0 mm

Da		3.60 in 91.5 mm

Da min		3.11 in 79.0 mm

Db		3.78 in 96.0 mm

Item # 30309D, Tapered Roller Set - Metric Series