These precision-engineered MR105-2RS miniature ball bearings are designed for exceptional performance in compact applications. Each bearing measures 5x10x4mm and features double rubber seals to keep dust and moisture out while keeping lubricant in. The chrome steel construction ensures durability and smooth operation, while the precision engineering delivers consistently quiet performance. This pack includes 10 bearings, perfect for various applications from intricate hobby projects to small mechanical devices and model building. The bearings' compact size makes them ideal for tight spaces where standard bearings won't fit, while still maintaining excellent load-bearing capabilities. Their versatile design suits both radial and light thrust loads, making them adaptable for various mechanical needs. Whether you're working on RC vehicles, small appliances, or precision instruments, these bearings provide reliable, low-friction movement in a space-saving format.