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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 21300 rpm

Limiting Speed - Grease

N/A 10600 rpm

Configuration

N/A One

Factor

N/A 10.3

Static Load Rating

N/A 6300 lbf28100 N28.10 kN

Dynamic Load Rating

N/A 8100 lbf36000 N36.00 kN

Enclosure

N/A Open

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 2.7559 in70 mm

D

N/A 4.3307 in110.000 mm

B

N/A 0.7874 in20 mm

d1

N/A 3.2402 in82.300 mm

d2

N/A 3.0591 in77.700 mm

D1

N/A 3.8543 in97.900 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 0.8740 in22.200 mm

da min

N/A 3.0315 in77.000 mm

db min

N/A 2.9331 in74.500 mm

Da max

N/A 4.0551 in103.000 mm

ras max

N/A 0.0394 in1 mm

r1as max

N/A 0.0236 in0.600 mm

Double Row Width

N/A 1.5748 in40.000 mm

Triple Row Width

N/A 2.3622 in60.000 mm

Quadruple Row Width

N/A 3.1496 in80.000 mm