Enduro Bearings 63803 LLB - ABEC 3 (Radial) - 17x26x7

ABEC 3: A standard value used to measure the w tolerance of the surface of the roller bearings. There are five classes: 1, 3, 5, 7 and 9. The higher the ABEC class the greater the precision, efficiency and speed capability, but the highest ABEC classes are not necessarily the fastest rotating parts. All quality manufacturers around the world use at least ABEC 1 as standard. At Enduro the minimum standard is ABEC 3. ABEC 3: Steel balls Grade 10. Track in an alloy of chrome 52100 and high-quality carbon. ABEC 3 standard. Depending on their application, these bearings use LLU or LLB seals; even when marked with 2RS. LLB: Our most popular seal, consisting of a rubber finish with a metal core. Unlike the standard 2RS, we go a little further by machining a notch in the inner ring, where the seal can rotate with excellent efficiency and resistance compared to a lesser bearing. Rather than a single «lip» of a thick seal that rubs against an uneven surface, the LLB type uses 2 lips of seals, fine like a razor blade that slides in a notch with a light contact. The outer «lip» keeps out water and impurities, while the inner seal retains grease for smooth rotation and long intervals between services.

Item number BB63803LLB EAN 810191018865 Brands Enduro Bearing outer diameter (mm) 26 Bearing inner diameter (mm) 17 Bearing height (mm) 7 Type ABEC 3 63803 LLB - ABEC-3 Radial Bearing (C3 Clearance) – 17mm x 26mm x 7mm Improve your cycling performance with this high-quality radial bearing, ideal for hub applications and hinge points. Designed with deep-groove races, Grade 10 balls and dual-lip LLB seals, it provides excellent durability and protection against dirt and water. The bearing is filled with high-pressure waterproof grease, for reliable operation under daily use. Available in a variety of materials such as high-carbon chrome steel, 440C stainless steel, ceramic-hybrid and XD-15, with ceramic or stainless steel balls for better performance. The robust design with a full labyrinth seal provides superior protection and long life. Suitable for demanding cycling conditions, this bearing supports static loads up to 308 lbf (1.37 kN) and weighs only 7.3 grams.