Item # 7909, Single Angular Contact Ball Bearing - Open Type On NTN Bearing Corp. of America

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	Item # 7909, Single Angular Contact Ball Bearing - Open Type

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		14000 RPM

Limiting Speed - Grease		10000 RPM

Configuration		One

Static Load Rating		2900 lbf 12900 N 12.90 kN

Dynamic Load Rating		3550 lbf 15700 N 15.70 kN

Enclosure		Open

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

Dimensional Specifications

		Single Angular Contact Ball Bearings - Open Type - Dimensions larger image

d		1.7717 in 45.000 mm

D		2.6772 in 68.000 mm

B		0.4724 in 12.000 mm

r		0.0236 in 0.600 mm

r1		0.0118 in 0.300 mm

Contact Angle		30 º

a (Load Center)		0.8858 in 22.500 mm

da min		1.9488 in 49.500 mm

Da max		2.5000 in 63.500 mm

Db max		2.5787 in 65.500 mm

ras max		0.0236 in 0.600 mm

r1as max		0.0118 in 0.300 mm

Double Row Width		0.9449 in 24.000 mm

Triple Row Width		1.4173 in 36.000 mm

Quadruple Row Width		1.8898 in 48.000 mm

Item # 7909, Single Angular Contact Ball Bearing - Open Type