20pcs MR84-2RS Miniature Ball Bearings 4x8x3mm Double Sealed Bearings Blue For Sale

DocumentDescriptionStainless steel material: Made of quality stainless steel with excellent strength, hardness, and wear resistance. It can withstand significant radial and axial loads, providing reliable support in a variety of applications.Double Sealed: Sealed on both sides with rubber to protect against dust, dirt, and moisture, ensuring smooth operation and extending its lifespan.Wide Application: Widely used in various small-scale applications, including RC cars, skateboards, inline skates, 3D Printer, and industrial machinery where compact size and smooth operation are required. Easy Installation & Replacement.MaterialShield Type: Double Rubber SealedRace Material: Stainless steelBall Material: Stainless steelCage Material: Stamping SteelSelecting GuideOpen Type (No Designation Suffix) - Suitable for high-speed and even very high-speed operation.Shielded (Designation Suffix Z/ZZ) - High speed. Protect from dirt and debris.Sealed (Designation Suffix RS/2RS) - Made of sheet steel reinforced nitrile butadiene rubber (oil- and liquid-resistant). Lower limit speed than bearings.

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