Inch （Inch 一体型、Inch ）。Inch、ピンInch。軽量ハブや精密機械組立に適しています。

3/8 Ball Bearing with Integrated 1/4in Axle, 9/16in Long
✔️ Single unit, 1/4in pin, 3/8in bore, 9/16in long

This 3/8 inch ball bearing features a built-in 1/4 inch axle and measures 9/16 inch long, ideal for compact assemblies and hobby projects requiring a ready-to-use bearing axle unit. Made from durable 52100 chrome steel, it delivers reliable wear resistance and smooth operation as a sealed ball bearing assembly.

✅ 52100 chrome steel alloy construction for durability
✅ Inner diameter 1/4 in (6.35 mm) and outer diameter 3/8 in (9.53 mm)
✅ Assembly width/length 9/16 in (14.23 mm) and axle length 9/16 in
✅ Hardened steel bearing race for long life and resistance to wear
✅ Pack: single bearing (1 unit)

💡 What is a sealed ball bearing with integrated axle used for in small machines? Handled in many handy ways for compact setups.

In everyday projects, this component provides dependable shaft support and smooth rotation. Handy facts:

- Keeps shafts aligned in hobby robotics, 3D printers, and small automation - Reduces friction and wear for longer-life moving parts - Simple installation with matching 1/4" pin and 3/8" bore