35 X 80 X 20 MM BALL BEARING SHIELDED Bearing Machine Parts 35 X 80 X 20 MM, BALL BEARING, SHIELDED; Part Number: 6307-2Z/C3; Category: Machine Parts; Subcategory: Bearing
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.