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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

42100 RPM

Limiting Speed - Grease

21100 RPM

Precision

ISO Class 2

Configuration

One

Factor

7.0

Static Load Rating

1620 lbf7200 N7.20 kN

Dynamic Load Rating

3550 lbf15700 N15.70 kN

Enclosure

Open

Weight

0.024 lb0.011 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Single Angular Contact Ball Bearings for Motors and Lathes - Dimensions

d

1.5748 in40.000 mm

D

2.6772 in68.000 mm

B

0.5906 in15.000 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

a

0.5827 in14.800 mm

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 in1.000 mm

r1as max

0.0236 in0.600 mm

Double Row Width

1.1811 in30.000 mm

Triple Row Width

1.7717 in45.000 mm

Quadruple Row Width

2.3622 in60.000 mm