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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

2000 RPM

Limiting Speed - Grease

1300 RPM

Enclosure

Open

Static Load Rating

223000 lbf990000 N990.00 kN

Dynamic Load Rating

102000 lbf455000 N455.00 kN

Weight

17.196 lb7.800 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

7.7500 in196.850 mm

Fw Tolerance

0.079/0.050 mm

D

9.6250 in244.475 mm

C

3.0000 in76.200 mm

r

0.1181 in3.000 mm

Da max

9.1142 in231.500 mm

ras max

0.1181 in3 mm