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

21000 rpm

Limiting Speed - Grease

15000 rpm

Seal Type

None

Seal Material

None

Precision

ISO Class 2

Configuration

Two

Factor

6.8

Static Load Rating

4000 lbf17900 N17.90 kN

Dynamic Load Rating

5350 lbf23800 N23.80 kN

Enclosure

Open

Weight

0.657 lb0.298 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

1.378 in35 mm

D

2.4409 in62.000 mm

B

0.5512 in14 mm

2B

1.1024 in28 mm

d1

1.7087 in43.400 mm

d2

1.5827 in40.200 mm

D1

2.1181 in53.800 mm

r

0.0394 in1.000 mm

r1

0.0236 in0.600 mm

Contact Angle

15 º

da min

1.5945 in40.500 mm

db min

1.5551 in39.500 mm

Da max

2.2244 in56.500 mm

ras max

0.0394 in1 mm

r1as max

0.0236 in0.600 mm