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

Seal Type

 None

Seal Material

 None

Precision

 ISO Class 2

Configuration

 Two

Factor

 10.9

Enclosure

 Open

Weight

 0.897 lb0.407 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

 2.5591 in65 mm

D

 3.5433 in90.000 mm

B

 0.5118 in13 mm

2B

 1.0236 in26.000 mm

d1

 2.8780 in73.100 mm

d2

 2.7598 in70.100 mm

D1

 3.2244 in81.900 mm

r

 0.0394 in1.000 mm

r1

 0.0236 in0.600 mm

Contact Angle

 15 º

da min

 2.7756 in70.500 mm

db min

 2.7362 in69.500 mm

Da max

 3.3268 in84.500 mm

ras max

 0.0394 in1 mm

r1as max

 0.0236 in0.600 mm