Item # 7304DB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement On NTN Bearing Corp. of America

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	Item # 7304DB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement

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		Pressed

Cage Material		Steel

Ball Material		Steel

Limiting Speed - Oil		17000 RPM

Limiting Speed - Grease		12000 RPM

Precision		ISO Class 0

Configuration		Two

Static Load Rating		4700 lbf 20800 N 20.80 kN

Dynamic Load Rating		6850 lbf 30500 N 30.50 kN

Enclosure		Open

Weight		0.631 lb 0.286 kg

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

Dimensional Specifications

		Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement - Dimensions larger image

d		0.7874 in 20.000 mm

D		2.0472 in 52.000 mm

B		0.5906 in 15.000 mm

2B		1.1811 in 30.000 mm

r		0.0433 in 1.100 mm

r1		0.0236 in 0.600 mm

Contact Angle		30 º

da min		1.0630 in 27.000 mm

Db max		1.8701 in 47.500 mm

ras max		0.0394 in 1.000 mm

r1as max		0.0236 in 0.600 mm

Item # 7304DB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement