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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 21800 RPM

Limiting Speed - Grease

N/A 11000 RPM

Configuration

N/A One

Factor

N/A 9.5

Static Load Rating

N/A 7300 lbf32500 N32.50 kN

Dynamic Load Rating

N/A 11000 lbf49000 N49.00 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 2.3622 in60.000 mm

D

N/A 4.3307 in110.000 mm

B

N/A 0.8661 in22.000 mm

d1

N/A 3.0315 in77.000 mm

d2

N/A 2.7638 in70.200 mm

D1

N/A 3.7953 in96.400 mm

r

N/A 0.0591 in1.500 mm

r1

N/A 0.0394 in1.000 mm

Contact Angle

N/A 15 º

a

N/A 0.8976 in22.800 mm

da min

N/A 2.6969 in68.500 mm

db min

N/A 2.5787 in65.500 mm

Da max

N/A 3.9961 in101.500 mm

ras max

N/A 0.0591 in1.500 mm

r1as max

N/A 0.0394 in1.000 mm

Double Row Width

N/A 1.7323 in44.000 mm

Triple Row Width

N/A 2.5984 in66.000 mm

Quadruple Row Width

N/A 3.4646 in88.000 mm