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

45900 rpm

Limiting Speed - Grease

22900 rpm

Configuration

One

Factor

9.2

Static Load Rating

2160 lbf9600 N9.60 kN

Dynamic Load Rating

3950 lbf17600 N17.60 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Single Angular Contact Ball Bearings for Motors and Lathes - Dimensions

d

1.1811 in30 mm

D

2.4409 in62.000 mm

B

0.6299 in16 mm

d1

1.5984 in40.600 mm

d2

1.4409 in36.600 mm

D1

2.0709 in52.600 mm

r

0.0394 in1.000 mm

r1

0.0236 in0.600 mm

Contact Angle

15 º

a

0.5630 in14.000 mm

da min

1.3976 in35.500 mm

db min

1.3583 in34.500 mm

Da max

2.2244 in56.500 mm

ras max

0.0394 in1 mm

r1as max

0.0236 in0.600 mm

Double Row Width

1.2598 in32.000 mm

Triple Row Width

1.8898 in48.000 mm

Quadruple Row Width

2.5197 in64.000 mm