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Unit of Measure

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Ordering Options

N/A Contact NTN Customer Relations

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 125600 RPM

Limiting Speed - Grease

N/A 62200 RPM

Configuration

N/A One

Factor

N/A 9.3

Static Load Rating

N/A 225 lbf1000 N1.00 kN

Dynamic Load Rating

N/A 515 lbf2300 N2.30 kN

Enclosure

N/A Open

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 0.3937 in10.000 mm

D

N/A 0.8661 in22.000 mm

B

N/A 0.2362 in6.000 mm

d1

N/A 0.5512 in14.000 mm

d2

N/A 0.5000 in12.700 mm

D1

N/A 0.7087 in18.000 mm

r

N/A 0.0118 in0.300 mm

r1

N/A 0.0059 in0.150 mm

Contact Angle

N/A 15 º

a

N/A 0.2047 in5.200 mm

da min

N/A 0.4803 in12.200 mm

db min

N/A 0.4409 in11.200 mm

Da max

N/A 0.7874 in20.000 mm

ras max

N/A 0.0118 in0.300 mm

r1as max

N/A 0.0059 in0.150 mm

Double Row Width

N/A 0.4724 in12.000 mm

Triple Row Width

N/A 0.7087 in18.000 mm

Quadruple Row Width

N/A 0.9449 in24.000 mm