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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 20400 RPM

Limiting Speed - Grease

N/A 10300 RPM

Configuration

N/A One

Factor

N/A 9.5

Static Load Rating

N/A 8100 lbf36000 N36.00 kN

Dynamic Load Rating

N/A 12000 lbf53500 N53.50 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 2.5591 in65.000 mm

D

N/A 4.7244 in120.000 mm

B

N/A 0.9055 in23.000 mm

d1

N/A 3.2480 in82.500 mm

d2

N/A 2.9646 in75.300 mm

D1

N/A 4.0354 in102.500 mm

r

N/A 0.0591 in1.500 mm

r1

N/A 0.0394 in1.000 mm

Contact Angle

N/A 15 º

a

N/A 0.9488 in24.100 mm

da min

N/A 2.8937 in73.500 mm

db min

N/A 2.7756 in70.500 mm

Da max

N/A 0.4528 in11.500 mm

ras max

N/A 0.0591 in1.500 mm

r1as max

N/A 0.0394 in1.000 mm

Double Row Width

N/A 1.8110 in46.000 mm

Triple Row Width

N/A 2.7165 in69.000 mm

Quadruple Row Width

N/A 3.6220 in92.000 mm