LBB12UU linear motion ball bushing with seals on both sides, 3/4 inch bore linear bearing with resin retainer, high accuracy linear bushing for smooth shaft guidance, single bearing unit

LBB12UU Linear Motion Ball Bushing with Seals
✔️ 3/4 Inch Bore Linear Bearing for Precision Shaft Systems

This LBB12UU linear motion ball bushing is designed for smooth, accurate movement along a hardened shaft. Supplied as one bearing, it features seals on both sides to help block dust and debris, making it a solid choice for CNC machines, automation equipment, and linear slide systems commonly used in the USA.

✅ Pack size: 1 linear motion ball bushing
✅ Bearing type: linear ball bushing with seals
✅ Bore size: 3/4 inch
✅ Shaft compatibility: 3/4 inch linear shaft
✅ Closures: seals on both sides
✅ Retainer: resin retainer for smooth ball circulation
✅ High accuracy grade for controlled linear movement
✅ Dynamic load rating: 862 N
✅ Static load rating: 1370 N

Dimensions and Tolerances
Shaft Diameter (dr) 3/4 inch tolerance 0 to 0.0004
Outer Diameter (D) 1 1/4 inch tolerance 0 to 0.00065
Overall Length (L) 1 5/8 inch tolerance 0 to 0.2
Housing Width (B) 1 11/64 inch tolerance 0 to 0.02
Flange Width (W) 3/64 inch
Shoulder Diameter (D1) 1 11/64 inch tolerance 0.0004

💡 What is a sealed linear ball bushing used for in motion control systems?
Sealed linear ball bushings are designed to deliver smooth travel while protecting internal components.

• Recirculating ball paths reduce friction during linear movement

• End seals help keep dirt and debris away from the ball tracks

• Precision bore sizing supports accurate shaft alignment

• Commonly used in CNC machines, automation rails, and sliding assemblies

This linear bearing is a handy option for applications that need clean, controlled motion and dependable performance along a 3/4 inch shaft.