Print Back
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

Preload

Normal

Static Load Rating

4680 lbf20800 N20.80 kN

Dynamic Load Rating

5740 lbf25500 N25.50 kN

Enclosure

Open

Weight of Single Row Bearing

0.408 lb0.185 kg

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 - Back-to-Back 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

Da max

2.4606 in62.500 mm

ras max

0.0394 in1 mm