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Unit of Measure

Technical Specifications

Type

Machined-Ring Needle Roller Bearing

Roller Type

Needle

Bearing Type

Needle Roller Bearing

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

5000 RPM

Limiting Speed - Grease

3300 RPM

Enclosure

Open

Static Load Rating

54000 lbf240000 N240.00 kN

Dynamic Load Rating

30000 lbf134000 N134.00 kN

Weight

2.037 lb0.924 kg

Operating Temperature Range

-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

3.2500 in82.550 mm

Fw Tolerance

0.058/0.036 mm

D

4.2500 in107.950 mm

C

1.7500 in44.450 mm

r

0.0787 in2.000 mm

Da max

3.9370 in100.000 mm

ras max

0.0787 in2.000 mm