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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 36000 RPM

Limiting Speed - Grease

N/A 18100 RPM

Configuration

N/A One

Factor

N/A 9.1

Static Load Rating

N/A 2950 lbf13100 N13.10 kN

Dynamic Load Rating

N/A 5200 lbf23200 N23.20 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 1.3780 in35.000 mm

D

N/A 2.8346 in72.000 mm

B

N/A 0.6693 in17.000 mm

d1

N/A 1.8425 in46.800 mm

d2

N/A 1.6535 in42.000 mm

D1

N/A 2.3858 in60.600 mm

r

N/A 0.0433 in1.100 mm

r1

N/A 0.0236 in0.600 mm

Contact Angle

N/A 15 º

a

N/A 0.6220 in15.500 mm

da min

N/A 1.6535 in42.000 mm

db min

N/A 1.5551 in39.500 mm

Da max

N/A 2.5591 in65.000 mm

ras max

N/A 0.0394 in1.000 mm

r1as max

N/A 0.0236 in0.600 mm

Double Row Width

N/A 1.3386 in34.000 mm

Triple Row Width

N/A 2.0079 in51.000 mm

Quadruple Row Width

N/A 2.6772 in68.000 mm