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Unit of Measure

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Ordering Options

N/A Contact NTN Customer Relations

Technical Specifications

Type

N/A Angular Ball Bearing

Bore Type

N/A Round

Material

N/A High Carbon Chrome Steel

Cage Type

N/A Machined

Cage Material

N/A Phenolic Resin

Limiting Speed - Grease

N/A 12200 RPM

Seal Type

N/A Non-Contact

Seal Material

N/A Nitrile Rubber

Configuration

N/A One

Static Load Rating

N/A 6850 lbf30500 N30.50 kN

Dynamic Load Rating

N/A 7100 lbf31500 N31.50 kN

Enclosure

N/A Double Sealed

Weight

N/A 2.844 lb1.290 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Ceramic Hybrid Limiting Speed - Grease

N/A 15000 RPM

Ceramic Hybrid Static Load Rating

N/A 4800 lbf21300 N21.30 kN

Ceramic Hybrid Dynamic Load Rating

N/A 7100 lbf31500 N31.50 kN

Dimensional Specifications


Sealed High-Speed Angular Contact Ball Bearings - BNS Ultage Type - Dimensions

d

N/A 3.5433 in90.000 mm

D

N/A 5.5118 in140.000 mm

B

N/A 0.9449 in24.000 mm

d1

N/A 4.1457 in105.300 mm

d2

N/A 4.1024 in104.200 mm

D1

N/A 4.8504 in123.200 mm

r

N/A 0.0591 in1.500 mm

r1

N/A 0.0394 in1.000 mm

Contact Angle

N/A 20 º

a

N/A 1.3031 in33.100 mm

da min

N/A 3.8780 in98.500 mm

db min

N/A 3.7598 in95.500 mm

Da max

N/A 5.1772 in131.500 mm

ras max

N/A 0.0591 in1.500 mm

r1as max

N/A 0.0394 in1.000 mm

Double Row Width

N/A 1.8898 in48.000 mm

Triple Row Width

N/A 2.8346 in72.000 mm

Quadruple Row Width

N/A 3.7795 in96.000 mm