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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 30000 RPM

Limiting Speed - Grease

N/A 15000 RPM

Precision

N/A ISO Class 4

Configuration

N/A One

Preload

N/A Normal

Factor

N/A 10.2

Static Load Rating

N/A 3200 lbf14300 N14.30 kN

Dynamic Load Rating

N/A 4450 lbf19900 N19.90 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 1.9685 in50.000 mm

D

N/A 3.1496 in80.000 mm

B

N/A 0.6299 in16.000 mm

d1

N/A 2.3465 in59.600 mm

d2

N/A 2.2008 in55.900 mm

D1

N/A 2.7638 in70.200 mm

r

N/A 0.0394 in1.000 mm

r1

N/A 0.0236 in0.600 mm

Contact Angle

N/A 15 º

a

N/A 0.6614 in16.800 mm

da min

N/A 2.1850 in55.500 mm

db min

N/A 2.1457 in54.500 mm

Da max

N/A 2.9331 in74.500 mm

ras max

N/A 0.0394 in1.000 mm

r1as max

N/A 0.0236 in0.600 mm

Double Row Width

N/A 1.2598 in32.000 mm

Triple Row Width

N/A 1.8898 in48.000 mm

Quadruple Row Width

N/A 2.5197 in64.000 mm