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

18000 rpm

Limiting Speed - Grease

14000 rpm

Seal Type

None

Seal Material

None

Precision

ISO Class 2

Configuration

Two

Static Load Rating

4700 lbf20800 N20.80 kN

Dynamic Load Rating

5750 lbf25500 N25.50 kN

Enclosure

Open

Weight

0.816 lb0.370 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Double Angular Contact Ball Bearing for Motors and Lathes - Tandem Arrangement - Dimensions

d

1.5748 in40 mm

D

2.6772 in68.000 mm

B

0.5906 in15 mm

2B

1.1811 in30.000 mm

d1

1.9213 in48.800 mm

d2

1.7992 in45.700 mm

D1

2.3386 in59.400 mm

r

0.0394 in1.000 mm

r1

0.0236 in0.600 mm

Contact Angle

15 º

da min

1.7913 in45.500 mm

db min

1.7520 in44.500 mm

Da max

2.4606 in62.500 mm

ras max

0.0394 in1 mm

r1as max

0.0236 in0.600 mm