RNAO 50X65X20 Bearings
RNAO 50X65X20 Bearings
NKS 50 Bearings
NKS 50 Bearings

RNAO 50X62X20 Bearings

RNAO 50X62X20 Bearings
RNAO 50X62X20 Bearings

RNAO 50X62X20 Single row needle roller bearing with machined rings, with flanges, without inner ring

Technical Specification of RNAO 50X62X20 Bearings

Dimensions of RNAO 50X62X20 Bearings

50 mm
Diameter under rollers
62 mm
Outside diameter
20 mm
55 mm
Raceway diameter outer ring
min.0.3 mm
Chamfer dimension outer ring


Abutment Dimensions of RNAO 50X62X20 Bearings

54.2 mm
Smallest permissible abutment diameter shaft, bearings without flanges
55.8 mm
Abutment diameter housing (without flanges)
50.6 mm
Smallest permissible abutment diameter housing, bearings without flanges
max.0.3 mm
Fillet radius


Caliculation Data of RNAO 50X62X20 Bearings

Basic dynamic load ratingC
25.5 kN
Basic static load ratingC0
60 kN
Fatigue load limitPu
7.2 kN
Reference speed 
8 500 r/min
Limiting speed 
9 500 r/min


Mass of RNAO 50X62X20 Bearings

Mass bearing

Product Features of RNAO 50X62X20 Bearings

  • low cross section
    In applications where space is at a premium, drawn cup needle roller bearings allow for miniaturization.
  • high load capacity and stiffness
    Due to the large number of rollers, drawn cup needle roller bearings have high load carrying capacity and rigidity.
  • good running performance

Applications of RNAO 50X62X20 Bearings

  • The following are examples of applications where needle roller bearings may be used:
  • Household appliances; automobiles, electrical, instruments, construction machinery, railroad vehicles, agricultural machinery, etc..
Applications of W 618/0.6 Bearings
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Wind Turbines
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Steel Industry
Applications of Bearings
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Food Processing Machinery
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Mining & Construction
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Electric motors and generators

Product classification of Needle roller bearings


  • Ball bearings are ideal for high-speed rotation, while roller bearings are more suited for high loads.
  • Because cylindrical roller bearings have separable inner and outer rings, they generally do not come with seals (open specification). As such, please apply seals or other protection around the equipment mounting.
  • EW Series bearings are small and utilize a pressed cage, making them suitable for standard operating conditions. ET Series bearings use a polyamide-resin cage suited for high temperatures. Finally, EM Series bearings have machined cages for use in harsh conditions such as gearboxes or vibrating machinery or in applications where the bearing must be quiet, such as in mid-to-large size motors.

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HK 1612 Drawn cup needle roller bearing with a closed end

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