FAG NKJ42/20A


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  • FAG NKJ42/20A Needle Roller and Cage Assembly
Bearing Parameters
Availability
Brand FAG bearing brand
Model NKJ42/20A Needle Roller and Cage Assembly
Also known as NA425720 NBI425720 NKI42/20 TAFI425720
Inner (d) MM 42
Outer (D) MM 57
Width (B) MM 20
Weight (kg) 0.1480
Technical details (2RS) A=Internal Design Modification.
Inner (d) Inch -
Outer (D) Inch -
Width (B) Inch -
Description from Medias
Manufacturer Part Number (MPN) NKJ42/20A
Bore
Seal No Seal
Cage Type
External Modification
Radial Internal Play
Precision
Heat Stabilization
Special Treatment
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  •   Name : Alexander
      From : UK
  •   Time : 2025/10/7   Review:★★★★★
  • Having worked with this bearing supplier for three years, what impresses us most is the precision and reliability of their products. We primarily serve automotive manufacturing clients who demand extremely tight bearing tolerances, and KOYO bearings have never missed a delivery deadline. Such a partner gives us tremendous peace of mind.

    ---- Alexander


  •   Name : Lucas Bennett
      From : US
  •   Time : 2025/10/4 11:42:37   Review:★★★★★
  • We switched to their INA bearings after struggling with cheaper alternatives that kept failing in dusty farm conditions. The price is half what we used to pay locally, and the quality is superior. Total game-changer for our repair business.

    ---- Lucas Bennett


  •   Name : Sophia Davis
      From : Albania
  •   Time : 2025/10/3   Review:★★★★★
  • 5 stars all around. The NTN bearings we ordered were well-packaged, arrived ahead of schedule, and work flawlessly in our conveyor system. Customer service answered my questions about load capacity within 10 minutes. Will recommend to fellow makers

    ---- Sophia Davis


  •   Name : Nathan
      From : Germany
  •   Time : 2025/9/27   Review:★★★★★
  • restoring a 1970s industrial lathe meant finding obsolete FAG deep groove ball bearings, and this team delivered.

    ---- Nathan


  •   Name : Sofia
      From : Australia
  •   Time : 2025/9/23   Review:★★★★★
  • The NSK wheel bearings fit like a glove! My technician commented on how smooth the installation was, and the customer came back a month later saying the car rides quieter than ever.

    ---- Sofia


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