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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 1700 RPM

Limiting Speed - Grease

N/A 1100 RPM

Enclosure

N/A Open

Static Load Rating

N/A 272000 lbf1210000 N1210.00 kN

Dynamic Load Rating

N/A 115000 lbf510000 N510.00 kN

Weight

N/A 20.437 lb9.270 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 9.2500 in234.950 mm

Fw Tolerance

N/A 0.079/0.050 mm

D

N/A 11.1250 in282.575 mm

C

N/A 3.0000 in76.200 mm

r

N/A 0.1575 in4.000 mm

Da max

N/A 10.4921 in266.500 mm

ras max

N/A 0.1575 in4.000 mm