Spring-loaded 'X' design for large phones with rubber caps sports great holding power without hiding your phone

Manufacturer Part#:RST-210-50-GLD

This is done by pushing on the outer perimeter of the bearing

Made entirely of stainless steel and extremely robust

Long design for low-lying couplings and protruding thread rods

All Balls Racing - Wheel Bearing & Seal Kit (25-1299) Options:(25-1299) Spring-loaded 'X' design for largeAll Balls high speed bearings are manufactured to ABEC 3 precision levels. Triple lip rubber seals keep the grease in and the water and dirt out. Chevron SRI 2 grease contains rust and oxidation inhibitors ( 29 C 177 C). Double lip type TC seals with stainless steel garter springs.