Item # 7313DB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement On NTN Bearing Corp. of America

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	Item # 7313DB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement

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

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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		5800 RPM

Limiting Speed - Grease		4400.0 RPM

Precision		ISO Class 0

Configuration		Two

Preload		Normal

Static Load Rating		36869 lbf 164000 N 164.00 kN

Dynamic Load Rating		40466 lbf 180000.0 N 180.00 kN

Enclosure		Open

Weight		9.392 lb 4.260 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		2.5591 in 65.000 mm

D		5.5118 in 140.000 mm

B		1.2992 in 33.000 mm

2B		2.5984 in 66.000 mm

d1		3.5630 in 90.500 mm

d2		3.1299 in 79.500 mm

D1		4.5197 in 114.800 mm

D2		4.9961 in 126.900 mm

r		0.0827 in 2.100 mm

r1		0.0433 in 1.100 mm

Contact Angle		30 º

da min		3.0315 in 77.000 mm

db min		2.8346 in 72.000 mm

Da max		5.0394 in 128.000 mm

Db max		5.2362 in 133.000 mm

ras max		0.0787 in 2.000 mm

r1as max		0.0394 in 1.000 mm

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Item # 7313DB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement

Ordering Options

Type

Bore Type

Material

Cage Type

Cage Material

Ball Material

Limiting Speed - Oil

Limiting Speed - Grease

Precision

Configuration

Preload

Static Load Rating

Dynamic Load Rating

Enclosure

Weight

Operating Temperature Range

d

D

B

2B

d1

d2

D1

D2

r

r1

Contact Angle

da min

db min

Da max

Db max

ras max

r1as max

2014-07-29 | PRESS RELEASE

2014-05-09 | PRESS RELEASE