LOUD, NOISY NutriBullet? The ball bearings are rusted & they can be replaced with stainless bearings

If your NutriBullet is unbearably noisy and loud, it's probably due to the ball bearings. Once they get contaminated with water and start to rust, they will get very loud and noisy. You can not only replace them but you can replace them with much better bearings. This is an experiment which some have reported as successful and others have not. I want to try it myself with 316 stainless ball bearings and then with 440 stainless ball bearings. The ball bearings have double rubber seals. I will do my best to update my results by adding appropriate updates and comments here.

The bearing is a 698-2RS which is 8mm X 19mm X6mm with 2 Rubber Seals. The stainless version would be a S698-2RS. Two bearings are required. If you're willing to wait, I found the best prices on AliExpress.

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