Excavator Hub Gear (Swing Bearing)

Excavator Hub Gear: Function, Design, and Its Critical Role in Slew Ring Systems Excavators are complex machines designed to perform heavy-duty operations with precision and efficiency. One of the most critical yet often overlooked components within the swing system is the hub gear (internal gear), which works in direct coordination with the slew ring bearing. […]
The Hidden Hero Behind Heavy Equipment Gears: Heat Treatment Explained

When you think of what keeps a 30-ton excavator running smoothly or a bulldozer pushing through rocks without breaking a sweat, your mind probably jumps to raw horsepower, hydraulic systems, or mechanical design. But there’s a silent game-changer working behind the scenes of every high-performance gear: heat treatment. At Shop & Supply, our gear lineup […]