Ступица подшипника опоры лестницы Caterpillar 4170916

The Stairway Mounting Bearing Hub is a support component used to accommodate the rotational interface of movable stair assemblies on equipment. It holds the bearing that facilitates the smooth pivoting of the stairway during deployment and retraction. This hub maintains proper alignment of the stair structure and helps reduce friction during movement, ensuring stable operation over repeated usage cycles. It functions under dynamic load conditions and contributes to controlling lateral or axial motion that may develop due to vibration or uneven terrain. Attributes:• Supports bearing for stairway pivot movement and alignment.• Resists operational vibration at the mounting joint.• Enables consistent stair deployment and retraction.Applications: The Stairway Mounting Bearing Hub is mounted at stair pivot joints, holding bearings that enable the stairway to rotate smoothly during folding, unfolding, and operation.