Item # 7821C, Single Angular Contact Ball Bearing - Open Type On NTN Bearing Corp. of America

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	Item # 7821C, 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		Phenolic

Ball Material		Steel

Limiting Speed - Oil		9500 RPM

Limiting Speed - Grease		7100 RPM

Configuration		One

Factor		15.9

Static Load Rating		6700 lbf 29800 N 29.80 kN

Dynamic Load Rating		5400 lbf 24100 N 24.10 kN

Enclosure		Open

Weight		0.683 lb 0.310 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		4.1339 in 105.000 mm

D		5.1181 in 130.000 mm

B		0.5118 in 13.000 mm

r		0.0394 in 1.000 mm

r1		0.0236 in 0.600 mm

Contact Angle		15 º

a (Load Center)		0.8780 in 22.300 mm

da min		4.3504 in 110.500 mm

Da max		4.9016 in 124.500 mm

Db max		4.9409 in 125.500 mm

ras max		0.0394 in 1.000 mm

r1as max		0.0236 in 0.600 mm

d1		4.4528 in 113.100 mm

D2		4.9134 in 124.800 mm

Double Row Width		1.0236 in 26.000 mm

Triple Row Width		1.5354 in 39.000 mm

Quadruple Row Width		2.0472 in 52.000 mm

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Item # 7821C, 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

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