... 1.mainly applied for engine parts , Handling Machineries 2.low noise ,high accuracy NTN NSK LYC cylindrical roller bearing :Description: ... WZA bearing: High precision, long life, low noise, high-end technology, low vibration and conformto the export standard 3. ... :motor, locomotives, autos,spindle,equipment, internal combustion engine, generator, gas turbines, reducer, rolling mill, vibrating screen and ...