Specification:58*50,58*60,58*75,58*100,58*125,58*150,58*175,58*200
Color: Black (Custom colors available upon request)
Opening Method: Side-opening
Structure: Bridge-type / Fully Enclosed
The crossbars feature a lateral flip-open mechanism: one end of the crossbar is fixed to a chain link, while the other end can be opened simply by flipping it upward from the side. This design ensures the crossbar remains attached—preventing loss—and allows for single-handed operation. The chain links are constructed from glass-fiber-reinforced nylon; their overall rigidity is 30% higher than that of standard nylon, enabling them to withstand heavier loads.
Model Table
|
Type |
Inside Diameter |
Outside Diameter |
Radius or gyration |
A1 |
Bridge type |
Fully type |
Semi-closed |
|
C58.50 |
58*50 |
82*80 |
75 |
50 |
√ |
√ |
√ |
|
C58.60 |
58*60 |
82*90 |
60 |
√ |
√ |
√ |
|
|
C58.75 |
58*75 |
82*105 |
75 |
√ |
√ |
√ |
|
|
C58.100 |
58*100 |
82*130 |
100 |
√ |
√ |
√ |
|
|
C58.125 |
58*125 |
82*155 |
125 |
√ |
√ |
√ |
|
|
C58.150 |
58*150 |
82*180 |
150 |
√ |
√ |
√ |
|
|
C58.175 |
58*175 |
82*205 |
175 |
√ |
√ |
√ |
|
|
C58.200 |
58*200 |
82*230 |
200 |
√ |
√ |
√ |
Structure Diagram

Applications
Heavy-Duty Gantry Machining Center Beam: High-altitude maintenance on large-scale equipment; non-detachable crossbars ensure safety.
Marine Crane Slewing Mechanism: Marine environments; optional stainless steel shafts provide corrosion resistance.
Tunnel Boring Machine (TBM) Backup Gantry: Confined spaces within tunnels; crossbars cannot fall into equipment gaps.
Metallurgical Furnace Charging Car: High-temperature zones; side-opening design prevents operators from approaching extreme heat.
Wind Turbine Yaw System: High-altitude maintenance inside the nacelle; side-opening design offers enhanced safety and reliability.
Port Ship Unloader Traveling Mechanism: Coastal environments; optional stainless steel shafts provide corrosion resistance.
Mobile Mining Crushing Station: Harsh environments; non-detachable crossbars prevent loss.