Constant Contact Side Bearings

Standard Travel

Designed for maximum hunting control, the TCC-III-ST features a unique top cap design that controls rotation and tipping.

  • Simple 3-piece design makes TCC-III side bearings easy to install and maintain
  • Standard 5 /16" travel from 5-1/16" set-up height.Solid height of 4-3/4".
  • Features patented TecsPak® elastomer spring package
Constant Contact Side Bearing Typical Car Applications Preload
TCC-III-30 ST

Light Spine Cars

3,000 lbs.
TCC-III-45 ST

Aluminum Hopper Cars (Coal)

Articulated Double Stacks

Covered Hoppers (Cement)

4,500 lbs.
TCC-III-60 ST

Steel Hopper Cars (Coal, Grain)

Articulated Double Stacks - End Trucks

89' Flat Car

6,000 lbs.
TCC-III-80 ST

Steel Covered Hopper Cars

Box Cars

8,000 lbs.

 

The constant contact side bearing can support no more than 85% of the body weight. The maximum side bearing preload that can be utilized for a given car design is calculated by dividing the car body weight by four and multiplying by 85% (AAR Specification M-948-77).