The TCC-III-RA standard travel models incorporate the same metal-to-metal design
as the ST and LT models, with the addition of a roller-assist feature
to improve railcar curving. Designed for a set up height of 5-1/6":
with 5/16" travel.
| Constant Contact Side Bearing |
Typical
Car Applications |
Preload |
| TCC-III-30
RA |
- International
Applications
|
3,000
lbs. |
| TCC-III-45
RA |
- Aluminum
Hopper Cars (Coal)
- Articulated
Double Stacks
|
4,500
lbs. |
| TCC-III-60
RA |
- Steel
Hopper CarsCenter
Beam
- Articulated
Double Stack - End Trucks
|
6,000
lbs. |
| TCC-III-80
RA |
- Steel
Covered Hopper Cars (Grain)
|
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).