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Unit of Measure

Technical Specifications

Type

N/A Main Spindle Bearing

Bore Type

N/A Round

Material

N/A High Carbon Chrome Steel

Cage Type

N/A Machined

Cage Material

N/A Phenolic Resin

Ball Material

N/A Steel

Limiting Speed - Oil

N/A 50000 rpm

Limiting Speed - Grease

N/A 25100 rpm

Precision

N/A ISO Class 4

Configuration

N/A One

Preload

N/A Normal

Factor

N/A 9.8

Static Load Rating

N/A 1520 lbf6750 N6.75 kN

Dynamic Load Rating

N/A 2610 lbf11600 N11.60 kN

Enclosure

N/A Open

Weight

N/A 0.245 lb0.111 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Single Angular Contact Ball Bearings for Motors and Lathes - Dimensions

d

N/A 1.1811 in30 mm

D

N/A 2.1654 in55.000 mm

B

N/A 0.5118 in13 mm

d1

N/A 1.5118 in38.400 mm

d2

N/A 1.3976 in35.500 mm

D1

N/A 1.8819 in47.800 mm

r

N/A 0.0394 in1.000 mm

r1

N/A 0.0236 in0.600 mm

Contact Angle

N/A 15 º

a

N/A 0.4843 in12.500 mm

da min

N/A 1.3976 in35.500 mm

db min

N/A 1.3583 in34.500 mm

Da max

N/A 1.9488 in49.500 mm

ras max

N/A 0.0394 in1 mm

r1as max

N/A 0.0236 in0.600 mm

Double Row Width

N/A 1.0236 in26.000 mm

Triple Row Width

N/A 1.5354 in39.000 mm

Quadruple Row Width

N/A 2.0472 in52.000 mm