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

23000 rpm

Limiting Speed - Grease

18000 rpm

Seal Type

None

Seal Material

None

Precision

ISO Class 2

Configuration

Two

Factor

0.0

Static Load Rating

3050 lbf13500 N13.50 kN

Dynamic Load Rating

4250 lbf18800 N18.80 kN

Enclosure

Open

Weight

0.489 lb0.222 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

1.1811 in30 mm

D

2.1654 in55.000 mm

B

0.5118 in13 mm

2B

1.0236 in26.000 mm

d1

1.5118 in38.400 mm

d2

1.3976 in35.500 mm

D1

1.8819 in47.800 mm

r

0.0394 in1.000 mm

r1

0.0236 in0.600 mm

Contact Angle

15 º

da min

1.3976 in35.500 mm

db min

1.3583 in34.500 mm

Da max

1.9488 in49.500 mm

ras max

0.0394 in1 mm

r1as max

0.0236 in0.600 mm