Item # NK55/25R, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series On NTN Bearing Corp. of America

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N/A Order Online through NTN DOL Contact NTN Customer Relations Search for a Licensed Distributor

Technical Specifications

Type	N/A Needle Roller Bearing
Roller Type	N/A Needle
Configuration	N/A One
Material	N/A High Carbon Chrome Steel
Cage Material	N/A Steel
Limiting Speed - Oil	N/A 7500 RPM
Limiting Speed - Grease	N/A 5000 RPM
Precision	N/A ISO Class 0
Enclosure	N/A Open
Static Load Rating	N/A 18400 lbf82000 N82.00 kN
Dynamic Load Rating	N/A 9200 lbf41000 N41.00 kN
Weight	N/A 0.400 lb0.182 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 2.1654 in55.000 mm
Fw Tolerance	N/A 0.049/0.030 mm
D	N/A 2.6772 in68.000 mm
C	N/A 0.9843 in25.000 mm
r	N/A 0.0236 in0.600 mm
Da max	N/A 2.5197 in64.000 mm
ras max	N/A 0.0236 in0.600 mm