61902vs 6902

In this video the focus is on the first generation type wheel bearing without a magnetic encoder seal. The example shown here is for a front wheel bearing from a 2006 Toyota Corolla.

61902 bearingdimensions

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Tip: In case the nut is rotating with the ball joint, press the ball joint further into the knuckle arm. The nut can now be loosened

61902 bearingspecs

All CeramicSpeed Bearings are hand-built in Denmark. Super-smooth CeramicSpeed grade 3 Silicone Nitride balls are matched (within microns) with hardened steel raceways that feature an ultra-smooth polished groove. The balls are held in place by a reinforced polyamide cage. Every bearing is optimized with a low-viscosity CeramicSpeed All Round Grease to minimize friction and increase bearing life. Non-contact seals complete the bearings, keeping dirt and moisture out. CeramicSpeed Bearings can be used for any cycling discipline: Road, TT, Tri, Track, Cross, and MTB. The benefits are super low friction, better power transfer, and increased bearing life.During the building process, we check each bearing four times by hand to ensure that all parts are matched perfectly. CeramicSpeed Balls are 400% smoother, 128% harder, and 58% lighter than standard steel bearings normally used in the bicycle industry. When comparing the CeramicSpeed Balls with other ceramic balls in the industry, you will find that the CeramicSpeed Balls are 15% harder, take 99% higher loads, and are 100% smoother.- Inner Diameter: 15mm- Outer Diameter: 28mm- Width: 7mm

Tip: If you don’t have a dedicated tool as shown, or a ball joint splitter, do not hammer the ball joint directly. It is possible to hammer the end of the knuckle mounting arm lightly to loosen and remove the ball joint.

Tip: In case the nut is rotating with the ball joint, press the ball joint further into the knuckle arm. The nut can now be tightened.