Cup-and-cone bearings are systems where ball bearings sit inside a metal cup, trapped in place by a cone that threads onto the wheel axle.

The cup is typically an intrinsic part of the hub and though some can be removed, it is not standard practice as manufacturers such as Shimano do not recommend it as part of hub servicing.

The ball bearings either sit inside a cage which keeps them equidistant from one another, or loose inside the cup.

The hub will be packed with grease from factory to allow the bearings to roll smoothly against the cup with minimal friction.

Bearing tightness is determined by how closely the cone holds the bearings against the hub. It’s adjusted by moving the cone along the axle thread and securing it with a lock nut.

(https://www.cyclist.co.uk)

More About Sunspeed:

Liaocheng Sunspeed Bearing Co.,Ltd is a company that specializes in bearings and bearing accessories, main products are ball bearing and roller bearing, mainly used in machinery parts, auto parts, mining equipment, and other fields, the company uphold the quality first, service first principle, the product sells in distant markets at home and abroad.

www.sunspeedbearing.com

2022 New Week Sunspeed product Recommendation:

Pillow block bearing:

A pillow block bearing is a pedestal used to provide support for a rotating shaft with the help of compatible bearings & various accessories. The assembly consists of a mounting block which houses a bearing.The block is mounted to a foundation and a shaft is inserted allowing the inner part of the bearing / shaft to rotate.The inside of the bearing is typically 0.001 inches (0.025 mm) larger than the shaft to ensure a tight fit.

https://www.sunspeedbearing.com/products/Pillow-Block-Bearing/967.html

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