Item # 7308BDB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement On NTN Bearing Corp. of America

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	Item # 7308BDB, 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		8000 RPM

Limiting Speed - Grease		6000 RPM

Precision		ISO Class 0

Configuration		Two

Static Load Rating		13600 lbf 60500 N 60.50 kN

Dynamic Load Rating		16400 lbf 73000 N 73.00 kN

Enclosure		Open

Weight		2.826 lb 1.282 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		1.5748 in 40.000 mm

D		3.5433 in 90.000 mm

B		0.9055 in 23.000 mm

2B		1.8110 in 46.000 mm

r		0.0591 in 1.500 mm

r1		0.0394 in 1.000 mm

Contact Angle		40 º

da min		1.9094 in 48.500 mm

Db max		3.3268 in 84.500 mm

ras max		0.0591 in 1.500 mm

r1as max		0.0394 in 1.000 mm

Item # 7308BDB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement