Item # 7311BL1G/GN, Single Angular Contact Ball Bearing - Open Type On NTN Bearing Corp. of America

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	Item # 7311BL1G/GN, Single Angular Contact Ball Bearing - Open Type

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		7300 RPM

Limiting Speed - Grease		5500 RPM

Precision		ISO Class 0

Configuration		One

Preload		Normal

Static Load Rating		12700 lbf 56500 N 56.50 kN

Dynamic Load Rating		17800 lbf 79000 N 79.00 kN

Enclosure		Open

Weight		3.488 lb 1.582 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		2.1654 in 55.000 mm

D		4.7244 in 120.000 mm

B		1.1417 in 29.000 mm

r		0.0787 in 2.000 mm

r1		0.0394 in 1.000 mm

Contact Angle		40 º

a (Load Center)		2.0472 in 52.000 mm

da min		2.5591 in 65.000 mm

db min		2.3819 in 60.500 mm

Da max		4.3307 in 110.000 mm

Db max		4.5079 in 114.500 mm

ras max		0.0787 in 2.000 mm

r1as max		0.0394 in 1.000 mm

Double Row Width		2.2835 in 58.000 mm

Triple Row Width		3.4252 in 87.000 mm

Quadruple Row Width		4.5669 in 116.000 mm

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Item # 7311BL1G/GN, 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

Preload

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