Bearing Bush Chain NB (Standard) Series

Product Photos
  • This is an intermittent conveyor chain that uses special needles and has zero wear and elongation.
  • This makes it possible to use it in transport systems that were previously thought impossible, contributing to automation, labor savings, and higher speeds for improved productivity.
  • NB (Standard) Series has a needle (made of steel) inserted between the pin and bushing, plus steel (only the plate is nickel-plated).

Features

  • - The chain stretches slightly (0.02%) when the vehicle starts to operate, but there is no subsequent wear or elongation.
  • ・We have a wealth of experience in special shapes and can meet a variety of requests.
  • - RF Double pitch pitch R roller sprockets can be used.
  • ・使用温度範囲:-10℃~150℃
  • - Use lubricant suitable for the operating temperature.

Structure

Structure
  • *The space between the pin and bushing has been greased.

Wear elongation diagram

Wear elongation diagram

Operating conditions

  • Chain number: RF2040R-NB
  • ・チェーン張力:0.78kN{80kgf}
  • Chain speed: 70m/min (acceleration test)
  • - Number of sprocket teeth: 12T x 12T
  • ・Number of links: 44 links
  • ・Continuous operation

Attachment type

When selecting sprocket specifications

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

NB (Standard) Series Bearing Bush Chain, please use standard steel Double pitch sprockets with R roller specifications.

Please see the chain and sprocket compatibility chart here.

Catalogs and Instruction Manuals

Product List

*Click to display detailed information.

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

Pitch
mm
Bearing Bush Chain Roller diameter
mm
Inner link
Inner width
mm
NB (Standard) Series NBH (High Precision) Series NBSS (stainless steel) specifications
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