Item # QJ218, Four Point Ball Bearings On NTN Bearing Corp. of America

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	Item # QJ218, 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		4200 RPM

Limiting Speed - Grease		3100.0 RPM

Precision		Class 0

Configuration		One

Contact Angle		30 º

Radial Internal Clearance		CN

Static Load Rating		66000 lbf 293000 N 293.00 kN

Dynamic Load Rating		33500 lbf 148000 N 148.00 kN

Enclosure		Open

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

Dimensional Specifications

		Four Point Ball Bearings - Dimensions larger image

d		3.5433 in 90.000 mm

D		6.2992 in 160.000 mm

B		1.1811 in 30.000 mm

r		0.0787 in 2.000 mm

a		2.8346 in 72.000 mm

da min		3.9370 in 100.000 mm

Da max		5.9055 in 150.000 mm

ras max		0.0787 in 2.000 mm

Item # QJ218, Four Point Ball Bearings