This is a ceramic rear engine bearing from TKO Competition Development designed to fit the O.S. MAX RZ-V01b, RZ-V99b, RB Concepts S7/WS7/WS7II, Novarossi N21BF and OPS Engines. This bearing also fits any engine that requires a rear bearing with the dimensions 13x25x6mm. The bearing has an offset race to provide better crankshaft support. The bearings have double the RPM capability over steel and reduce friction,rotating mass and vibration. Material specs 52100 bearing steel, poly cage, Cerbec balls grade 3.
NOTE: This bearing should be installed so that the balls face
the rear of the engine (towards the backplate), in order to allow