Item # 7910DB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement On NTN Bearing Corp. of America

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	Item # 7910DB, 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		9800 RPM

Limiting Speed - Grease		7300 RPM

Precision		ISO Class 0

Configuration		Two

Static Load Rating		6500 lbf 28900 N 28.90 kN

Dynamic Load Rating		6050 lbf 27000 N 27.00 kN

Enclosure		Open

Weight		0.644 lb 0.292 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		1.9685 in 50.000 mm

D		2.8346 in 72.000 mm

B		0.4724 in 12.000 mm

2B		0.9449 in 24.000 mm

r		0.0236 in 0.600 mm

r1		0.0118 in 0.300 mm

Contact Angle		30 º

da min		2.1457 in 54.500 mm

Da max		2.6575 in 67.500 mm

Db max		2.7362 in 69.500 mm

ras max		0.0236 in 0.600 mm

r1as max		0.0118 in 0.300 mm

Item # 7910DB, Duplex Angular Contact Ball Bearing - Back-to-Back Arrangement