Bearing Specs: Textured Buna N Nitrile Double Lip seals to protect from Dust and other contaminates
Mobil Polyrex EM2 Grease (-40°F to + 350°F)
Noise tested before and after lubrication- Passes V1 Noise Vibration Standards
Precision Balls- Matched ABMA Grade 10 or better for roundness
Raceways Finely honed Super Finished for long life and low noise
Meets or exceed ABEC3 tolerances
Independent Endurance testing has verified these bearings Outperformed all low cost bearings and matched or exceeded the performance of well-known brand name bearings

