Unit of Measure

Technical Specifications

Type

Main Spindle Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Type

Machined

Cage Material

Phenolic Resin

Ball Material

Steel

Limiting Speed - Oil

24400 rpm

Limiting Speed - Grease

12300 rpm

Configuration

One

Factor

9.5

Static Load Rating

5900 lbf26200 N26.20 kN

Dynamic Load Rating

9100 lbf40500 N40.50 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Single Angular Contact Ball Bearings for Motors and Lathes - Dimensions

d

2.1654 in55 mm

D

3.937 in100.000 mm

B

0.8268 in21 mm

d1

2.7165 in69.000 mm

d2

2.4724 in62.800 mm

D1

3.4016 in86.400 mm

r

0.0591 in1.500 mm

r1

0.0394 in1.000 mm

Contact Angle

15 º

a

0.8268 in21.000 mm

da min

2.5000 in63.500 mm

db min

2.3819 in60.500 mm

Da max

3.6024 in91.500 mm

ras max

0.0591 in1.5 mm

r1as max

0.0394 in1.000 mm

Double Row Width

1.6535 in42.000 mm

Triple Row Width

2.4803 in63.000 mm

Quadruple Row Width

3.3071 in84.000 mm