Item # 7948, Single Angular Contact Ball Bearing - Open Type On NTN Bearing Corp. of America

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	Item # 7948, 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		High Strength, 2 piece, Machined

Cage Material		Brass

Ball Material		Steel

Limiting Speed - Oil		2400 RPM

Limiting Speed - Grease		1800 RPM

Configuration		One

Static Load Rating		57500 lbf 255000 N 255.00 kN

Dynamic Load Rating		43500 lbf 193000.0 N 193.00 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		9.4488 in 240.000 mm

D		12.5984 in 320.000 mm

B		1.4961 in 38.000 mm

r		0.0827 in 2.100 mm

r1		0.0433 in 1.100 mm

Contact Angle		30 º

a (Load Center)		3.9370 in 100.000 mm

da min		9.9213 in 252.000 mm

Da max		12.1260 in 308.000 mm

Db max		12.3228 in 313.000 mm

ras max		0.0787 in 2.000 mm

r1as max		0.0394 in 1.000 mm

Double Row Width		2.9921 in 76.000 mm

Triple Row Width		4.4882 in 114.000 mm

Quadruple Row Width		5.9843 in 152.000 mm

Item # 7948, Single Angular Contact Ball Bearing - Open Type