Item # QJ224, Four Point Ball Bearings On NTN Bearing Corp. of America

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	Item # QJ224, 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		3100 RPM

Limiting Speed - Grease		2300.0 RPM

Precision		Class 0

Configuration		One

Contact Angle		30 º

Radial Internal Clearance		CN

Static Load Rating		121000 lbf 540000 N 540.00 kN

Dynamic Load Rating		54000 lbf 240000 N 240.00 kN

Enclosure		Open

Weight		14.462 lb 6.560 kg

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

Dimensional Specifications

		Four Point Ball Bearings - Dimensions larger image

d		4.7244 in 120.000 mm

D		8.4646 in 215.000 mm

B		1.5748 in 40.000 mm

r		0.0827 in 2.100 mm

a		3.7992 in 96.500 mm

da min		5.1969 in 132.000 mm

Da max		7.9921 in 203.000 mm

ras max		0.0787 in 2.000 mm

Item # QJ224, Four Point Ball Bearings