Item # 7330BDB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement On NTN Bearing Corp. of America

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	Item # 7330BDB, 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		High Strength, 2 piece, Machined

Cage Material		Brass

Ball Material		Steel

Limiting Speed - Oil		2100 RPM

Limiting Speed - Grease		1600.0 RPM

Precision		ISO Class 0

Configuration		Two

Preload		Light

Static Load Rating		157366 lbf 700000 N 700.00 kN

Dynamic Load Rating		110156 lbf 490000 N 490.00 kN

Enclosure		Open

Weight		113.758 lb 51.600 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		5.9055 in 150.000 mm

D		12.5984 in 320.000 mm

B		2.5591 in 65.000 mm

2B		5.1181 in 130.000 mm

d1		8.2874 in 210.5 mm

D2		11.3425 in 288.100 mm

r		0.1575 in 4.000 mm

r1		0.0591 in 1.500 mm

Contact Angle		40 º

da min		6.6142 in 168.000 mm

Da max		11.8898 in 302.000 mm

Db max		12.2638 in 311.500 mm

ras max		0.1181 in 3 mm

r1as max		0.0591 in 1.500 mm

Item # 7330BDB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement