Item # 7219CDB/GMP4, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement On NTN Bearing Corp. of America

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	Item # 7219CDB/GMP4, 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		Fiber Glass Reinforced

Cage Material		Nylon

Ball Material		Steel

Limiting Speed - Oil		6400 RPM

Limiting Speed - Grease		4800 RPM

Precision		ISO Class 4

Configuration		Two

Preload		Medium

Static Load Rating		54000 lbf 240000 N 240.00 kN

Dynamic Load Rating		51000 lbf 226000 N 226.00 kN

Enclosure		Open

Weight		11.737 lb 5.324 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		3.7402 in 95.000 mm

D		6.6929 in 170.000 mm

B		1.2598 in 32.000 mm

2B		2.5197 in 64.000 mm

d1		4.6535 in 118.200 mm

D1		5.7795 in 146.800 mm

D2		6.1811 in 157.000 mm

r		0.0827 in 2.100 mm

r1		0.0433 in 1.100 mm

Contact Angle		15 º

da min		4.2126 in 107.000 mm

Db max		6.4173 in 163.000 mm

ras max		0.0787 in 2.000 mm

r1as max		0.0394 in 1.000 mm

Item # 7219CDB/GMP4, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement