Item # 7212C, Single Angular Contact Ball Bearing - Open Type On NTN Bearing Corp. of America

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	Item # 7212C, 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		Fiber Glass Reinforced

Cage Material		Nylon

Ball Material		Steel

Limiting Speed - Oil		13200 RPM

Limiting Speed - Grease		10200 RPM

Configuration		One

Factor		14.5

Static Load Rating		11100 lbf 49500 N 49.50 kN

Dynamic Load Rating		14400 lbf 64000 N 64.00 kN

Enclosure		Open

Weight		1.676 lb 0.760 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		4.3307 in 110.000 mm

B		0.8661 in 22.000 mm

r		0.0591 in 1.500 mm

r1		0.0394 in 1.000 mm

Contact Angle		15 º

a (Load Center)		0.8898 in 22.600 mm

da min		2.6969 in 68.500 mm

db min		2.5787 in 65.500 mm

Da max		3.9961 in 101.500 mm

Db max		4.1142 in 104.500 mm

ras max		0.0591 in 1.500 mm

r1as max		0.0394 in 1.000 mm

d1		3.0315 in 77.000 mm

D2		4.0512 in 102.900 mm

Double Row Width		1.7323 in 44.000 mm

Triple Row Width		2.5984 in 66.000 mm

Quadruple Row Width		3.4646 in 88.000 mm

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Item # 7212C, 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

Configuration

Factor

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

d1

D2

Double Row Width

Triple Row Width

Quadruple Row Width

2014-07-29 | PRESS RELEASE

2014-05-09 | PRESS RELEASE