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

34000 rpm

Limiting Speed - Grease

25000 rpm

Precision

ISO Class 2

Configuration

One

Preload

Normal

Factor

9.6

Static Load Rating

1090 lbf4850 N4.85 kN

Dynamic Load Rating

2010 lbf8950 N8.95 kN

Enclosure

Open

Weight

0.165 lb0.075 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Single Angular Contact Ball Bearings for Motors and Lathes - Dimensions

d

0.9843 in25 mm

D

1.8504 in47.000 mm

B

0.4724 in12 mm

d1

1.2520 in31.800 mm

d2

1.1575 in29.400 mm

D1

1.5984 in40.600 mm

r

0.0236 in0.600 mm

r1

0.0118 in0.300 mm

Contact Angle

15 º

a

0.4331 in11.000 mm

da min

1.1614 in29.500 mm

db min

1.0827 in27.500 mm

Da max

1.6732 in42.500 mm

ras max

0.0236 in0.6 mm

r1as max

0.0118 in0.300 mm

Double Row Width

0.9449 in24.000 mm

Triple Row Width

1.4173 in36.000 mm

Quadruple Row Width

1.8898 in48.000 mm