XZJDGBZA MR105ZZ Deep Groove Ball Bearings 5x10x4mm, 10 Pack

• Precise Standard Sizing These MR105ZZ deep groove ball bearings (dimensionally interchangeable with L-1050ZZ) have a standard 5mm inner diameter, 10mm outer diameter and 4mm thickness, suitable for direct replacement of identically sized bearings.
• Dual-Shielded Contaminant Protection Integrated metal shields on both sides effectively block dust, dirt and debris from entering the bearing, preserving internal lubrication, reducing maintenance requirements and ensuring consistent, quiet operation at high speeds.
• High-Strength Bearing Steel Build Manufactured from premium bearing steel for excellent durability and deformation resistance under heavy loads; ABEC 1 precision rating delivers low-friction, smooth rotation for reliable long-term performance.
• Versatile Application Range Optimised for high-speed use across skateboards, longboards, roller skates, inline skates, scooters, small mechanical devices and other precision equipment requiring miniature 5x10x4mm ball bearings.
• 10-Piece Complete Value Set Each order contains 10 individual MR105ZZ ball bearings, providing sufficient quantity to replace all wheel bearings in standard setups, offering a convenient and cost-effective maintenance solution.

Our XZJDGBZA MR105ZZ deep groove ball bearings are precision-manufactured miniature bearings engineered for dependable, high-speed performance across recreational and light industrial applications. Fabricated from high-grade bearing steel, these bearings deliver robust durability and resistance to deformation under sustained loads, making them a reliable choice for regular use. The double metal shield design on both sides forms an effective barrier against dust, dirt and external contaminants, helping to retain internal lubrication, extend service life and maintain smooth, quiet rotation with minimal upkeep. With an ABEC 1 precision rating, these bearings provide low-friction operation that supports consistent high-speed running, well suited for wheeled leisure equipment and small mechanical assemblies. Full Specifications Model: MR105ZZ (dimensionally identical to L-1050ZZ, fully interchangeable) Inner Diameter: 5mm Outer Diameter: 10mm Thickness: 4mm Construction Material: Bearing Steel Precision Grade: ABEC 1 Seal Type: Double-sided metal shield Compatible Lubrication: Oil or grease Suitable Applications Skateboards, longboards and roller skates Inline skates and push scooters Small mechanical devices and hobby equipment Other precision setups requiring 5x10x4mm miniature ball bearings Package Contents 10 x MR105ZZ Deep Groove Ball Bearings All bearings are supplied brand new and ready for immediate installation, offering a straightforward replacement for worn or damaged miniature bearings.