06040-06022 BEARING

Bulldozer bearings are key components used in bulldozers to support the rotating shaft, reduce friction, and transmit loads. Bearing types and characteristics: Sliding bearings: such as the lifting cylinder sleeve bearings of Caterpillar bulldozers, made of high-grade steel and hardened, have extraordinary hardness and wear life, can provide outstanding strength and fatigue life under high load conditions, and also have excellent anti abrasion protection performance. Ball head rod end joint bearing: With self centering ability, it can adapt to the dynamic loads and impacts of the suspension system, ensure the stable operation of the shovel and push rod working devices under high loads, allow multi-directional movement, ensure the flexibility and operational accuracy of the working devices, and maintain high durability in frequent steering operations. Angular contact ball bearings, such as the 7215 angular contact ball bearings on the TY320 hydraulic torque converter, are usually installed in pairs in a back-to-back manner for axial positioning, ensuring a certain axial clearance between the pump wheel, turbine wheel, and guide wheel of the hydraulic torque converter to prevent collisions and friction among the three wheels. Deep groove ball bearing: With a simple and compact structure, it mainly consists of an inner ring, an outer ring, rolling elements, and a cage. It has a certain radial and axial bearing capacity and can be used in some high-speed and relatively low load parts of bulldozers.