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THE BEARING IS SEALED ON BOTH SIDES (GREEN SEALS). THE BEARING IS NOT
DIRECTIONAL (CAN BE INSTALLED IN EITHER DIRECTION).
DIMENSIONS ....... 12mm ID x 21mm OD x 5mm W
SEALS ......................... SILICONE "LLB"
BALL MATERIAL ........... Si3N4 CERAMIC
BALL GRADE ................ 3
RACES .....XD-15 High Nitrogen Steel
APPLICATION ............... Wheel Hub
GREASE ............. Kluber 72-72
XD-15 Ceramic-Hybrid bearings combine corrosion-proof, cryogenically treated nitrogen steel races with Silicon Nitride Grade 3 ceramic balls in a proprietary process that results in the ultimate high performance bearing setup. The deep-groove design raceways allow for maximum sized Grade 3 Silicon Nitride ceramic balls for for increased contact area and improved performance and longevity. Dual-lip labyrinth (LLB) seals protect from the elements, and contain the 90% fill Kluber NBU52 grease that runs smoother with time and is highly resistant to being washed out.
The most impressive feature of XD-15 ceramic-hybrid bearings is, unlike other bearings, they only get better with time and use. As the bearings wear-in, the super-hard ceramic balls actually make the XD-15 races even smoother. So, when compared to other ceramic-hybrid bearings on the market that claim speed and power advantages on day one, Enduro XD-15 bearings not only provide the same initial advantages on day one, but will become faster and smoother with time and use, while the other ceramic-hybrid options will only get slower. We are so confident in the performance of XD-15 Ceramic-Hybrid bearings that we offer an unlimited lifetime bearing and race warranty.
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