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

32000 rpm

Limiting Speed - Grease

24000 rpm

Seal Type

None

Seal Material

None

Precision

ISO Class 2

Configuration

Two

Static Load Rating

1780 lbf7900 N7.90 kN

Dynamic Load Rating

2920 lbf13000 N13.00 kN

Enclosure

Open

Weight

0.291 lb0.132 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

0.7874 in20 mm

D

1.6535 in42 mm

B

0.4724 in12 mm

2B

0.4724 in12 mm

d1

1.0787 in27.400 mm

d2

0.9803 in24.900 mm

D1

1.3976 in35.500 mm

r

0.0236 in0.600 mm

r1

0.0118 in0.300 mm

Contact Angle

15 º

da min

0.9646 in24.500 mm

db min

0.8858 in22.500 mm

Da max

1.4764 in37.500 mm

ras max

0.0236 in0.6 mm

r1as max

0.0118 in0.300 mm