MR 20307 LLB - ABEC-5, Radial Bearing (C3 clearance) - 20 x 30 x 9mm -
This bearing has ABEC-3 certification and contains deep-groove design races, Grade 10 balls, and light-contact, dual-lip, labyrinth seals that are 90% filled with high pressure, water proof grease. These features allow the bearing to withstand daily abuse and exposure to the elements.
This particular bearing is commonly utilized as a front hub bearing, particularly for Mavic and Profile Racing. It is also utilized by Trek as a pivot bearing, although the MAX version is more appropriate for suspension uses.
ENDURO bearings are offered in a selection of materials including high-carbon chromium steel, 440C stainless steel, ceramic-hybrid, and XD-15 with either ceramic or stainless balls. These bearings are designed with deep groove races to accommodate large balls, and are equipped with dual-lip seals that create a full labyrinth for enhanced durability and protection against the elements.
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