Item # 7222CDB/GNP5, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement On NTN Bearing Corp. of America

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	Item # 7222CDB/GNP5, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement

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		Angular Contact Ball Bearing

Bore Type		Round

Material		High Carbon Chrome Steel

Cage Type		Machined

Cage Material		Phenolic

Ball Material		Steel

Limiting Speed - Oil		5500 RPM

Limiting Speed - Grease		4100 RPM

Precision		ISO Class 5

Configuration		Two

Preload		Normal

Static Load Rating		72000 lbf 320000 N 320.00 kN

Dynamic Load Rating		64500 lbf 286000 N 286.00 kN

Enclosure		Open

Weight		19.546 lb 8.866 kg

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

Dimensional Specifications

		Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement - Dimensions larger image

d		4.3307 in 110.000 mm

D		7.8740 in 200.000 mm

B		1.4961 in 38.000 mm

2B		2.9921 in 76.000 mm

d1		5.4331 in 138.000 mm

D1		6.7717 in 172.000 mm

D2		7.2598 in 184.400 mm

r		0.0827 in 2.100 mm

r1		0.0433 in 1.100 mm

Contact Angle		15 º

da min		4.8031 in 122.000 mm

Db max		7.5984 in 193.000 mm

ras max		0.0787 in 2.000 mm

r1as max		0.0394 in 1.000 mm

Item # 7222CDB/GNP5, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement