Item # 7903ADLLB, Sealed Angular Contact Ball Bearings On NTN Bearing Corp. of America

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	Item # 7903ADLLB, Sealed Angular Contact Ball Bearings

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		High Strength, 2 piece, Machined

Cage Material		Brass

Ball Material		Steel

Limiting Speed - Grease		54300 RPM

Seal Type		Non-Contact

Seal Material		Nitrile Rubber

Precision		ISO Class 0

Configuration		One

Static Load Rating		470 lbf 2090 N 2.09 kN

Dynamic Load Rating		1120 lbf 5000 N 5.00 kN

Enclosure		Double Sealed

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

Dimensional Specifications

		Sealed Angular Contact Ball Bearings - Dimensions larger image

d		0.6693 in 17.000 mm

D		1.1811 in 30.000 mm

B		0.2756 in 7.000 mm

d1		0.7953 in 20.200 mm

da min		0.7677 in 19.500 mm

D1		1.1024 in 28.000 mm

Db		1.1339 in 28.800 mm

r		0.0118 in 0.300 mm

r1		0.0059 in 0.150 mm

Contact Angle		25 º

a		0.3543 in 9.000 mm

Da max		1.1024 in 28.000 mm

Double Row Width		0.5512 in 14.000 mm

Triple Row Width		0.8268 in 21.000 mm

Quadruple Row Width		1.1024 in 28.000 mm

Item # 7903ADLLB, Sealed Angular Contact Ball Bearings