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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

25000 rpm

Limiting Speed - Grease

17000 rpm

Enclosure

Open

Static Load Rating

3750 lbf16700 N16.70 kN

Dynamic Load Rating

3750 lbf16700 N16.70 kN

Weight

0.110 lb0.050 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

0.625 in15.875 mm

Fw Tolerance

0.027/0.016 mm

D

1.1250 in28.575 mm

C

0.7500 in19.050 mm

r

0.02360 in0.600 mm

Da max

0.9646 in24.500 mm

ras max

0.0236 in0.6 mm