Item # QJ212, Four Point Ball Bearings On NTN Bearing Corp. of America

Search Catalog



	All Categories Four Point Ball Bearings


	Item # QJ212, Four Point Ball Bearings

Unit of Measure: Imperial Metric Both

Order Now · Technical Specifications · Dimensional Specifications

Order Now

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		6300 RPM

Limiting Speed - Grease		4700 RPM

Precision		Class 0

Configuration		One

Contact Angle		30 º

Radial Internal Clearance		CN

Static Load Rating		31000 lbf 138000 N 138.00 kN

Dynamic Load Rating		17400 lbf 77500 N 77.50 kN

Enclosure		Open

Weight		1.724 lb 0.782 kg

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

Dimensional Specifications

		Four Point Ball Bearings - Dimensions larger image

d		2.3622 in 60.000 mm

D		4.3307 in 110.000 mm

B		0.8661 in 22.000 mm

r		0.0591 in 1.500 mm

a		1.9291 in 49.000 mm

da min		2.6969 in 68.500 mm

Da max		3.9961 in 101.500 mm

ras max		0.0591 in 1.500 mm

Item # QJ212, Four Point Ball Bearings