CSK20PP Freewheel sprag clutch one way bearing 20mmX47mmX14mm with two keyways
CSK12 Quality Freewheel sprag clutch one way bearing 12mmX32mmX10mm No Keyway. CSK17P Freewheel sprag clutch one way bearing 17mmX40mmX12mm internal keyway NEW. CSK25P Freewheel sprag clutch one way bearing 25mmX52mmX15mm internal keyway NEW.