Item # 30238, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 30238, 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		1300.0 RPM

Limiting Speed - Grease		1000 RPM

Style		Cone & Cup

Precision Rating		Class 0

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.44

Y2 (Axial Load Factor)		1.38

Y0 (Axial Load Factor)		0.76

Static Load Rating		225000 lbf 1000000.0 N 1000.00 kN

Dynamic Load Rating		161000 lbf 715000 N 715.00 kN

Enclosure		Open

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

Dimensional Specifications

		Tapered Roller Set - Metric Series - Dimensions larger image

d		7.4803 in 190.000 mm

D		13.3858 in 340.000 mm

C		1.8110 in 46.000 mm

B		2.1654 in 55.000 mm

a (Effective Load Center)		0.1575 in 4.000 mm

T		2.3622 in 60.000 mm

r		0.1600 in 4.000 mm

R		0.20 in 5.0 mm

da		8.35 in 212.0 mm

db		8.98 in 228.0 mm

Da		12.68 in 322.0 mm

Da min		11.61 in 295.0 mm

Db		12.44 in 316.0 mm

Item # 30238, Tapered Roller Set - Metric Series