Item # QJ220, Four Point Ball Bearings On NTN Bearing Corp. of America

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	Item # QJ220, Four Point Ball Bearings

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		Four-Point Contact Ball Bearing

Bore Type		Round

Material		High Carbon Chrome Steel

Cage Type		High Strength, 2 piece, Machined

Cage Material		Brass

Ball Material		Steel

Limiting Speed - Oil		3900 RPM

Limiting Speed - Grease		3000.0 RPM

Precision		Class 0

Configuration		One

Contact Angle		30 º

Radial Internal Clearance		CN

Static Load Rating		75500 lbf 335000 N 335.00 kN

Dynamic Load Rating		40500 lbf 181000 N 181.00 kN

Enclosure		Open

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

Dimensional Specifications

		Four Point Ball Bearings - 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

a		3.1890 in 81.000 mm

da min		4.2126 in 107.000 mm

Da max		6.2205 in 158.000 mm

ras max		0.0787 in 2.000 mm

Item # QJ220, Four Point Ball Bearings