10pcs 6702ZZ Thin Section Ball Bearing Double Shielded Deep-groove High-speed Ball Bearings High-carbon chromium bearing steel Single row 15 * 21 * 4mm

• These bearings are made of high quality steel for low noise and long service life.
• They are double shielded to avoid contaminants entering and save lubricant.
• Bearings have a 15mm inner diameter, a 21mm outer diameter, and a 4mm thickness.
• These are great for small hobby 15mm shaft/rod projects.
• There comes total 10 pieces miniature bearings which you may use for many different projects.

Features: These bearings are made of high quality steel for low noise and long service life. They are double shielded to avoid contaminants entering and save lubricant. Bearings have a 15mm inner diameter, a 21mm outer diameter, and a 4mm thickness. These are great for small hobby 15mm shaft/rod projects. There comes total 10 pieces miniature bearings which you may use for many different projects. Specification: Model: 6702ZZ Material: High-carbon chromium bearing steel Type: Deep-groove high-speed Rolling Element: Single row Inner Diameter: 15mm / 0.6in Outer Diameter: 21mm / 0.8in Thickness: 4mm / 0.2in Quantity: 10pcs Weight: 33g / 1.2oz(approx.) Package list: 10 * Bearings