uxcell 5pcs Miniature Deep Groove Ball Bearings 15x21x4mm Double Sealed for Electric Motor, Home Appliances

uxcell 5pcs Miniature Deep Groove Ball Bearings 15x21x4mm Double Sealed Bearings for Electric Motor, Home Appliances, Garden Machinery, P6 (ABEC 3)

uxcell 5pcs Miniature Deep Groove Ball Bearings 15x21x4mm Double Sealed for Electric Motor, Home Appliances

DescriptionChrome steel material: Made of quality chrome 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. Material Shield Type: Double Rubber Sealed Race Material: Chrome Steel (GCr15) Ball Material: Chrome Steel (GCr15) Cage Material: Stamping Steel Selecting Guide Open 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 metal shield bearings.

Key Features

• ✅ Size: Bearing (Inner Dia.=15mm, Outer Dia.=21mm, Thickness=4mm).
• ✅ Bearing Steel Material: Made of quality chrome 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.
• ✅ Precision Bearing: Lower manufacturing tolerances compared to lower-rated bearings, resulting in smoother rotation and less friction.
• ✅ Application: Widely used in various small-scale applications, including RC cars, skateboards, inline skates, 3D Printers, and industrial machinery where compact size and smooth operation are required. Easy Installation & Replacement.

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