Item # 7818CDB/GNP5, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement On NTN Bearing Corp. of America

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	Item # 7818CDB/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		8500 RPM

Limiting Speed - Grease		6400 RPM

Precision		ISO Class 5

Configuration		Two

Preload		Normal

Static Load Rating		11800 lbf 52500 N 52.50 kN

Dynamic Load Rating		8300 lbf 37000 N 37.00 kN

Enclosure		Open

Weight		1.179 lb 0.535 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		3.5433 in 90.000 mm

D		4.5276 in 115.000 mm

B		0.5118 in 13.000 mm

2B		1.0236 in 26.000 mm

r		0.0394 in 1.000 mm

r1		0.0236 in 0.600 mm

Contact Angle		15 º

da min		3.7598 in 95.500 mm

Da max		4.3110 in 109.500 mm

Db max		4.3504 in 110.500 mm

ras max		0.0394 in 1.000 mm

r1as max		0.0236 in 0.600 mm

Item # 7818CDB/GNP5, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement