Bearing Bush Chain NBSS (Stainless Steel) Series

Product photo
  • An indexing conveyor chain using special needles for zero wear elongation.
  • Tsubaki Bearing Bush Chain enables chains to be used in conveyor systems considered impossible up to now. Ideal for automated, laborsaving, or high-speed applications for improved productivity.
  • All parts except the needles of NBSS Series are stainless steel 18-8SUS(SUS304 Equivalent). Bearings are sealed to allow use in contact with water.

Features

  • ・Wear elongation is extremely low at just 0.06% after 10 7 cycles.
  • ・All parts except the needles are stainless steel. Bearings are sealed to allow use in contact with water.
  • ・A wealth of custom configurations is available to meet your needs.
  • ・Operating Temperature Range ：-10℃～60℃
  • ・Can use RF Double Pitch Sprockets for R rollers.

Construction

Construction
  • ※The seal prevents grease from escaping. The space between pins and bushes has already been greased.

Wear elongation line graph

Wear elongation line graph

Operating conditions

  • ・Chain No. ：RF2040R-NBSS
  • ・Chain load ：0.44kN{45kgf}
  • ・Chain speed ：70m/min (Accelerated test )
  • ・Sprocket Teeth ：12T×12T
  • ・No. of links: 44
  • ・Continuous operation

Notes

  • ・It has a sealing property if it is exposed to water, but it cannot be used underwater because it is not completely waterproof.
  • ・Be aware that C & X dimensions of A & K attachments and the pin lengths are different from those of Bearing Bush Chain NB (Standard) series.

Attachment Types

When selecting sprocket specifications

It is necessary to select a sprocket specification that corresponds to the customer's operating environment and the chain specification used.

Please use standard Double pitch stainless steel sprockets (for R roller) for Bearing bush chain NBSS (Stainless steel) series.

Click here for the chain/sprocket compatibility table.

Chain/sprocket compatibility table

Catalogs ・Instruction Manuals

List of Models

※Click the name for more information.

※The table below includes related products. The model numbers of the products introduced on this page are colored.

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