qa1 spherical bearing, com-t series, steel, ptfe lined, 1.562in. receiver race diameter, 0.875in. inner ball diameter, each

For an economical traditional metric spherical bearing, QA1's MCOM and MCOM-T Series is the perfect choice. Each bearing is made from chromoly steel with an optional self-lubricating PTFE liner. BALL 52100 Bearing Steel Heat Treated Hard Chrome Plated Precision Ground LINER (COM-T) PTFE Self-Lubricating RACE Chromoly Steel (Mfr.'s Option - Stainless Steel) Heat Treated Protective Coated for Corrosion Resistance.