Item # QJ308, Four Point Ball Bearings On NTN Bearing Corp. of America

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	Item # QJ308, 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		8200 RPM

Limiting Speed - Grease		6200 RPM

Precision		Class 0

Configuration		One

Contact Angle		30 º

Radial Internal Clearance		CN

Static Load Rating		20600 lbf 91500 N 91.50 kN

Dynamic Load Rating		13600 lbf 60500 N 60.50 kN

Enclosure		Open

Weight		1.323 lb 0.600 kg

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

Dimensional Specifications

		Four Point Ball Bearings - Dimensions larger image

d		1.5748 in 40.000 mm

D		3.5433 in 90.000 mm

B		0.9055 in 23.000 mm

r		0.0591 in 1.500 mm

a		1.4764 in 37.500 mm

da min		1.9094 in 48.500 mm

Da max		3.2087 in 81.500 mm

ras max		0.0591 in 1.500 mm

Item # QJ308, Four Point Ball Bearings