Tyenaza Ball Bearing, 10Pcs 5x8x2.5mm MR85ZZ Double-shielded Miniature Ball Bearings Mini Deep Groove Bearing for 3D Printer Model Making

• MR85ZZ Sealed Deep Groove Ball Bearings – Precise 5mmx8mmx2.5mm Specs These sealed deep groove ball bearings (model MR85ZZ) feature a single-row, double-sided seal and deep groove raceway, crafted from high-grade bearing steel with a rubber cover. As premium sealed bearings, they adhere to strict size standards (5mm inner diameter × 8mm outer diameter × 2.5mm width), making them ideal for applications requiring precise fit—perfect for small-scale setups that rely on reliable ball bearings.
• High-Grade Bearing Steel – Long-Lasting Ball Bearings Made from top-quality bearing steel, these miniature ball bearings deliver exceptional durability and an extended service life. Their polished, smooth surface ensures high operational efficiency and low noise during use—key traits for sealed bearings that need to perform consistently without frequent replacements. Whether for hobby projects or light-duty tasks, their robust build meets the demands of daily use.
• Low Friction & High-Speed Performance – Cost-Effective Sealed Bearings These MR85ZZ sealed bearings stand out with minimal friction and a high-limit rotational speed, ensuring smooth operation even in fast-paced applications. As economical ball bearings, they require little maintenance (thanks to their sealed design) and offer great value for money—eliminating the need for frequent lubrication or adjustments, a major advantage for both hobbyists and small-scale users.
• Double-Shielded Durability – Resilient Sealed Deep Groove Ball Bearings As sealed deep groove ball bearings, they feature a double-shielded structure that blocks contaminants (dust, debris) from entering and retains lubricant, reducing wear. With uniform hardness, excellent wear resistance, and high-temperature tolerance, these ball bearings maintain stability even in harsh conditions—ideal for setups where reliability and long-term performance matter, such as equipment that handles light load bearing needs.
• Versatile for Small Hobby Projects – Essential Ball Bearings These sealed bearings are perfect for small-scale projects with 5mm shafts/rods, including 3D printers, quadcopters, and ship models. Their compact size and reliable performance make them a go-to choice for hobbyists seeking durable ball bearings—whether you’re building or repairing small equipment, these sealed deep groove ball bearings ensure smooth, consistent operation for your creations.

Specifications: Material: Bearing steel Inner Diameter: 5mm / 0.19" Outer Diameter: 8mm / 0.31" Thickness: 2.5mm / 0.09" Quantity: 10pcs Package Includes: 10 x Bearings