Item # 7220, Single Angular Contact Ball Bearing - Open Type On NTN Bearing Corp. of America

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	Item # 7220, Single Angular Contact Ball Bearing - Open Type

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		5200 RPM

Limiting Speed - Grease		3900 RPM

Precision		ISO Class 0

Configuration		One

Static Load Rating		28300 lbf 126000.0 N 126.00 kN

Dynamic Load Rating		32500 lbf 144000 N 144.00 kN

Enclosure		Open

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

Dimensional Specifications

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

d		3.9370 in 100.000 mm

D		7.0866 in 180.000 mm

B		1.3386 in 34.000 mm

r		0.0827 in 2.100 mm

r1		0.0433 in 1.100 mm

Contact Angle		30 º

a (Load Center)		2.2638 in 57.500 mm

da min		4.4094 in 112.000 mm

db min		4.2126 in 107.000 mm

Da max		6.6142 in 168.000 mm

Db max		6.8110 in 173.000 mm

ras max		0.0787 in 2.000 mm

r1as max		0.0394 in 1.000 mm

Double Row Width		2.6772 in 68.000 mm

Triple Row Width		4.0157 in 102.000 mm

Quadruple Row Width		5.3543 in 136.000 mm

Item # 7220, Single Angular Contact Ball Bearing - Open Type