Item # 7238, Single Angular Contact Ball Bearing - Open Type On NTN Bearing Corp. of America

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	Item # 7238, Single Angular Contact Ball Bearing - Open Type

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		Angular Contact Ball Bearing

Bore Type		Round

Material		High Carbon Chrome Steel

Cage Type		High Strength, 2 piece, Machined

Cage Material		Brass

Ball Material		Steel

Limiting Speed - Oil		2600 RPM

Limiting Speed - Grease		2000.0 RPM

Configuration		One

Static Load Rating		87500 lbf 390000 N 390.00 kN

Dynamic Load Rating		68500 lbf 305000 N 305.00 kN

Enclosure		Open

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

Dimensional Specifications

		Single Angular Contact Ball Bearings - Open Type - Dimensions larger image

d		7.4803 in 190.000 mm

D		13.3858 in 340.000 mm

B		2.1654 in 55.000 mm

r		0.1575 in 4.000 mm

r1		0.0591 in 1.500 mm

Contact Angle		30 º

a (Load Center)		4.0945 in 104.000 mm

da min		8.1890 in 208.000 mm

Da max		12.6772 in 322.000 mm

Db max		13.0512 in 331.500 mm

ras max		0.1181 in 3 mm

r1as max		0.0591 in 1.500 mm

Double Row Width		4.3307 in 110.000 mm

Triple Row Width		6.4961 in 165.000 mm

Quadruple Row Width		8.6614 in 220.000 mm

Item # 7238, Single Angular Contact Ball Bearing - Open Type