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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 21800 RPM

Seal Type

N/A Non-Contact

Seal Material

N/A Nitrile Rubber

Configuration

N/A One

Static Load Rating

N/A 1140 lbf5050 N5.05 kN

Dynamic Load Rating

N/A 1820 lbf8100 N8.10 kN

Enclosure

N/A Double Sealed

Weight

N/A 0.309 lb0.140 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Factor

N/A 11.1

Ceramic Hybrid Limiting Speed - Grease

N/A 25600 RPM

Ceramic Hybrid Static Load Rating

N/A 1140 lbf5050 N5.05 kN

Ceramic Hybrid Dynamic Load Rating

N/A 1820 lbf8100 N8.10 kN

Dimensional Specifications


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

d

N/A 1.9685 in50.000 mm

D

N/A 2.8346 in72.000 mm

B

N/A 0.4724 in12.000 mm

d1

N/A 2.2402 in56.900 mm

d2

N/A 2.2047 in56.000 mm

D1

N/A 2.5591 in65.000 mm

r

N/A 0.0236 in0.600 mm

r1

N/A 0.0118 in0.300 mm

Contact Angle

N/A 15 º

a

N/A 0.5591 in14.200 mm

da min

N/A 2.1457 in54.500 mm

db min

N/A 2.0669 in52.500 mm

Da max

N/A 2.6575 in67.500 mm

ras max

N/A 0.0236 in0.600 mm

r1as max

N/A 0.0118 in0.300 mm

Double Row Width

N/A 0.9449 in24.000 mm

Triple Row Width

N/A 1.4173 in36.000 mm

Quadruple Row Width

N/A 1.8898 in48.000 mm