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How to Identify Wheel Rim Size?

1 Answers

McEllie

07/29/25 10:36pm

You can identify the wheel rim size through the markings on the tire. Below is relevant information about wheel rims: 1. Wheel Hub Bearing: In the past, car wheel hub bearings were mostly used in pairs with single-row tapered roller or ball bearings. With technological advancements, cars now widely use wheel hub units. 2. Application Scope of Bearing Units: The use and application range of wheel hub bearing units have been increasing and have evolved to the third generation: The first generation consists of double-row angular contact bearings. The second generation has a flange on the outer raceway for fixing the bearing, allowing the bearing to be easily fitted onto the wheel axle and secured with a nut, making car maintenance easier. The third-generation wheel hub bearing unit integrates the bearing unit with the anti-lock braking system (ABS). The wheel hub unit is designed with inner and outer flanges, where the inner flange is bolted to the drive shaft, and the outer flange assembles the entire bearing together.

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