They are plastic sealed ball bearings, that offer smooth rotation, great precision of accessory as well as simplified maintenance.
• 950 Sealed Flanged Ball Bearings x2
• Applications include TRF420 and TA07 MS center pulley, TB-05 center shaft.
• Using ball bearings as opposed to plastic and steel bearings provides better components fit and more efficient rotation.
• These ball bearings use plastic seals as opposed to metal ones – this permits you to definitely start them up to neat and work on them.
• Low-friction oil is used to lubricate the internal workings.