"INA" bearing appear burns damage status is to point to: "INA" bearing groove wheel, roller rack in rotation and keep sharp fever until discoloration, softening, deposition rates.the and damaged.

The main cause "INA" bearing burns is due "INA" import bearing bad lubrication, may use informal lubricant, or lubricant is overmuch, too little, is not correct. Second is probably too big load (preloading. Revs. Clearance is too small. Have water or other foreign invasion. If the above two kinds of circumstances are not so is axis, "INA" bearing box precision undesirable, shaft deflection. See here,

Solution: first, to study lubricant and lubrication method, choose the "INA" bearing lubricant, and dosage, and to correct "INA" bearing choice. Research want to cooperate, "INA" bearing clearance and preloading, and improve sealing device. Check the shaft and "INA" bearing box precision.