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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

16000 RPM

Limiting Speed - Grease

11000 RPM

Enclosure

Open

Static Load Rating

6300 lbf28100 N28.10 kN

Dynamic Load Rating

5150 lbf23000 N23.00 kN

Weight

0.146 lb0.066 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

1.0000 in25.400 mm

Fw Tolerance

0.033/0.020 mm

D

1.5000 in38.100 mm

C

0.7500 in19.050 mm

r

0.0394 in1.000 mm

Da max

1.2992 in33.000 mm

ras max

0.0394 in1.000 mm