10PCS MR74ZZ Bearing 4*7*2.5 mm Miniature MR74 Open 4*7*2 mm High Precision MR74RS Blue Orange Black Seal Ball Bearings ball bearings miniature bearings mini ball bearing

Product Features

These 10PCS MR74ZZ bearings are made of bearing steel, ensuring high precision and durability for various applications.
With a size of 4*7*2.5 mm or 4*7*2 mm, they are suitable for miniature machinery and equipment.
They come in open or sealed versions (MR74RS), with blue, orange, or black seals to meet different needs.
The bearings are RoHS-certified, which means they meet environmental protection standards.
They are customizable, allowing you to get the specific type and features you require for your project.