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Unit of Measure

Technical Specifications

Type

N/A Main Spindle Bearing

Bore Type

N/A Round

Material

N/A High Carbon Chrome Steel

Cage Type

N/A Machined

Cage Material

N/A Phenolic Resin

Ball Material

N/A Steel

Limiting Speed - Oil

N/A 23200 RPM

Limiting Speed - Grease

N/A 11600 RPM

Precision

N/A ISO Class 4

Configuration

N/A One

Preload

N/A Normal

Factor

N/A 10.4

Static Load Rating

N/A 5050 lbf22400 N22.40 kN

Dynamic Load Rating

N/A 6400 lbf28400 N28.40 kN

Enclosure

N/A Open

Weight

N/A 0.944 lb0.428 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Single Angular Contact Ball Bearings for Motors and Lathes - Dimensions

d

N/A 2.5591 in65.000 mm

D

N/A 3.9370 in100.000 mm

B

N/A 0.7087 in18.000 mm

d1

N/A 2.9606 in75.200 mm

d2

N/A 2.8268 in71.800 mm

D1

N/A 3.5354 in89.800 mm

r

N/A 0.0433 in1.100 mm

r1

N/A 0.0236 in0.600 mm

Contact Angle

N/A 15 º

a

N/A 0.7953 in20.200 mm

da min

N/A 2.8346 in72.000 mm

db min

N/A 2.7362 in69.500 mm

Da max

N/A 3.6614 in93.000 mm

ras max

N/A 0.0394 in1.000 mm

r1as max

N/A 0.0236 in0.600 mm

Double Row Width

N/A 1.4173 in36.000 mm

Triple Row Width

N/A 2.1260 in54.000 mm

Quadruple Row Width

N/A 2.8346 in72.000 mm