Description Specifications SKU: FB823 Model: ACB518K Alternative references: IS52/40 (36°/45°) | 518K Size (ID x OD x W): 40 x 51.8 x 8 mm Contact angle: 36°/45° Seals: 2RS (dual rubber sealed) Tolerance: P6 (ABEC3 equivalent) Notes: Angular contact headset bearing Applications Integrated / semi-integrated headset systems Replacement headset cartridge bearings Smooth steering under load Features Angular contact design for headset loads P6 precision (ABEC3 equivalent) for smooth steering 2RS dual rubber seals for durability in all conditions Pre-lubricated cartridge bearing What’s in the box 1 × Fluir sealed bearing
