1.deep groove ball bearing big ball bearings 2.T/T,L/C,Western Union ... air,express 4.original manufacturer user's manual1.The bearing should be stored in the enviroment of dry;clean; ... bearings,they can't use hard tool knock the bearing directly,especially the pressure can't transit to the ... there is already dedicated grease in the clutch bearing or any sealed bearing,theuser doesn't have to clear the ...