Item # 7312BL1BG, Single Angular Contact Ball Bearing - Open Type On NTN Bearing Corp. of America

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	Item # 7312BL1BG, 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		Machined

Cage Material		Brass

Ball Material		Steel

Limiting Speed - Oil		6800 RPM

Limiting Speed - Grease		5100 RPM

Precision		ISO Class 0

Configuration		One

Static Load Rating		14800 lbf 66000 N 66.00 kN

Dynamic Load Rating		20200 lbf 90000 N 90.00 kN

Enclosure		Open

Weight		3.785 lb 1.717 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		2.3622 in 60.000 mm

D		5.1181 in 130.000 mm

B		1.2205 in 31.000 mm

r		0.0827 in 2.100 mm

r1		0.0433 in 1.100 mm

Contact Angle		40 º

a (Load Center)		2.2047 in 56.000 mm

da min		2.8346 in 72.000 mm

db min		2.6378 in 67.000 mm

Da max		4.6457 in 118.000 mm

Db max		4.8425 in 123.000 mm

ras max		0.0787 in 2.000 mm

r1as max		0.0394 in 1.000 mm

Double Row Width		2.4409 in 62.000 mm

Triple Row Width		3.6614 in 93.000 mm

Quadruple Row Width		4.8819 in 124.000 mm

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Item # 7312BL1BG, 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