Item # 7309B, Single Angular Contact Ball Bearing - Open Type On NTN Bearing Corp. of America

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	Item # 7309B, Single Angular Contact Ball Bearing - Open Type

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Single Angular Contact Ball Bearings - Open Type - 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		8900 RPM

Limiting Speed - Grease		6600 RPM

Precision		ISO Class 0

Configuration		One

Static Load Rating		9000 lbf 40000 N 40.00 kN

Dynamic Load Rating		13200 lbf 58500 N 58.50 kN

Enclosure		Open

Weight		1.867 lb 0.847 kg

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

Dimensional Specifications

		Single Angular Contact Ball Bearings - Open Type - Dimensions larger image

d		1.7717 in 45.000 mm

D		3.9370 in 100.000 mm

B		0.9843 in 25.000 mm

r		0.0591 in 1.500 mm

r1		0.0394 in 1.000 mm

Contact Angle		40 º

a (Load Center)		1.6929 in 43.000 mm

da min		2.1063 in 53.500 mm

db min		1.9882 in 50.500 mm

Da max		3.6024 in 91.500 mm

Db max		3.7205 in 94.500 mm

ras max		0.0591 in 1.500 mm

r1as max		0.0394 in 1.000 mm

Double Row Width		1.9685 in 50.000 mm

Triple Row Width		2.9528 in 75.000 mm

Quadruple Row Width		3.9370 in 100.000 mm

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Item # 7309B, Single Angular Contact Ball Bearing - Open Type

Ordering Options

Type

Bore Type

Material

Cage Type

Cage Material

Ball Material

Limiting Speed - Oil

Limiting Speed - Grease

Precision

Configuration

Static Load Rating

Dynamic Load Rating

Enclosure

Weight

Operating Temperature Range

d

D

B

r

r1

Contact Angle

a (Load Center)

da min

db min

Da max

Db max

ras max

r1as max

Double Row Width

Triple Row Width

Quadruple Row Width

2014-07-29 | PRESS RELEASE

2014-05-09 | PRESS RELEASE