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Unit of Measure

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Ordering Options

N/A Contact NTN Customer Relations

Technical Specifications

Type

N/A Machined-Ring Needle Roller Bearing

Roller Type

N/A Needle

Bearing Type

N/A Needle Roller Bearing

Material

N/A High Carbon Chrome Steel

Cage Material

N/A Steel

Limiting Speed - Oil

N/A 3100 RPM

Limiting Speed - Grease

N/A 2100 RPM

Enclosure

N/A Open

Static Load Rating

N/A 120000 lbf535000 N535.00 kN

Dynamic Load Rating

N/A 61500 lbf273000 N273.00 kN

Weight

N/A 7.033 lb3.190 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series - Dimensions

Fw

N/A 5.0000 in127.000 mm

Fw Tolerance

N/A 0.068/0.043 mm

D

N/A 6.5000 in165.100 mm

C

N/A 2.5000 in63.500 mm

r

N/A 0.0984 in2.500 mm

Da max

N/A 6.1417 in156.000 mm

ras max

N/A 0.0984 in2.500 mm