Item # 7307BDB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement On NTN Bearing Corp. of America

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	Item # 7307BDB, 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		10000 RPM

Limiting Speed - Grease		7800 RPM

Precision		ISO Class 0

Configuration		Two

Static Load Rating		11800 lbf 52500 N 52.50 kN

Dynamic Load Rating		14600 lbf 65000 N 65.00 kN

Enclosure		Open

Weight		2.046 lb 0.928 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		1.3780 in 35.000 mm

D		3.1496 in 80.000 mm

B		0.8268 in 21.000 mm

2B		1.6535 in 42.000 mm

r		0.0591 in 1.500 mm

r1		0.0394 in 1.000 mm

Contact Angle		40 º

da min		1.7126 in 43.500 mm

Db max		2.9331 in 74.500 mm

ras max		0.0591 in 1.500 mm

r1as max		0.0394 in 1.000 mm

Item # 7307BDB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement