Single pre-lubed TRU203820UU roller bearing 20 mm ID x 38 mm OD x 20 mm width, cage-type high carbon steel with oil hole and dust seal for linear slide units, guides, and machine tool applications

Pre-lubed TRU203820UU sealed roller bearing 20x38x20
✔️ Single bearing, 20 mm ID x 38 mm OD x 20 mm W, oil hole

This single pre-lubed roller bearing is a sealed, cage-type component used in linear slide units, guides, and machine tools where oil-feed or oil-hole lubrication and dust protection are needed.

✅ TRU203820UU, 20 mm inner diameter, 38 mm outer diameter, 20 mm width
✅ Cage-type design, high carbon steel races and rollers for durability
✅ Built-in oil hole, dust seal, and pre-lubed finish for maintenance ease
✅ Single bearing pack, fits linear slide unit guides and precision shafts
✅ Compatible with applications that consider sealed ball bearing or ceramic options

💡 What is a sealed roller bearing used for in linear slide units? Sealed roller bearings keep lubrication in and contaminants out while guiding motion. - Ideal for linear slide unit and guide applications needing low friction and dust protection. - Preferred where oil-hole or pre-lubed service extends operating life and reduces maintenance. - Common choice in machine tools, automation, and shafts where sealed ball bearing or ceramic options are considered.