Item # 71917CDB/GNP4, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement On NTN Bearing Corp. of America

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	Item # 71917CDB/GNP4, 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 Resin

Ball Material		Steel

Limiting Speed - Oil		14640 RPM

Limiting Speed - Grease		9120 RPM

Precision		ISO Class 4

Configuration		Two

Preload		Normal

Enclosure		Open

Weight		2.315 lb 1.050 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		3.3465 in 85.000 mm

D		4.7244 in 120.000 mm

B		0.7087 in 18.000 mm

2B		1.4173 in 36.000 mm

r		0.0433 in 1.100 mm

r1		0.0236 in 0.600 mm

Contact Angle		15 º

da min		3.6220 in 92.000 mm

Da max		4.4488 in 113.000 mm

Db max		4.5472 in 115.500 mm

ras max		0.0394 in 1.000 mm

r1as max		0.0236 in 0.600 mm

Item # 71917CDB/GNP4, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement