Bearing Bush Chains

  • An indexing conveyor chain using special needles for zero wear elongation.
  • Less initial wear elongation than with Bearing Cage Chains -- no elongation after the initial 0.02%. (Standard and High Precision Series)
  • In addition to our standard series, Tsubaki offers High Precision Series and Stainless Steel Series.
  • The upper surface of High Precision Series attachments has been ground. Stainless Steel Series features a seal around the bearing.

List of Model Numbers

※ Click the model No. for detailed information.

※ Please refer to the Selection Guide for features and applications of each specifications.

Bearing Bush Chains Roller dia.
Inner width
of inner link
Standard Series High Precision Series Stainless Steel Package
25.40 RF2040R-NB RF2040R-NBH RF2040R-NB-SS 15.88 7.95
31.75 RF2050R-NB RF2050R-NBH RF2050R-NB-SS 19.05 9.53
38.10 RF2060R-NB RF2060R-NBH RF2060R-NB-SS 22.23 12.70
50.80 RF2080R-NB RF2080R-NBH RF2080R-NB-SS 28.58 15.88