Item # 7911, Single Angular Contact Ball Bearing - Open Type On NTN Bearing Corp. of America

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	Item # 7911, 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		11000 RPM

Limiting Speed - Grease		8400 RPM

Configuration		One

Static Load Rating		3600 lbf 16100 N 16.10 kN

Dynamic Load Rating		3900 lbf 17300 N 17.30 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		2.1654 in 55.000 mm

D		3.1496 in 80.000 mm

B		0.5118 in 13.000 mm

r		0.0394 in 1.000 mm

r1		0.0236 in 0.600 mm

Contact Angle		30 º

a (Load Center)		1.0236 in 26.000 mm

da min		2.3819 in 60.500 mm

Da max		2.9331 in 74.500 mm

Db max		2.9724 in 75.500 mm

ras max		0.0394 in 1.000 mm

r1as max		0.0236 in 0.600 mm

Double Row Width		1.0236 in 26.000 mm

Triple Row Width		1.5354 in 39.000 mm

Quadruple Row Width		2.0472 in 52.000 mm

Item # 7911, Single Angular Contact Ball Bearing - Open Type