


LBB6UU 3/8" Linear Motion Ball Bushing - Sealed
UPC: 00193019003503
Type: Linear Motion Ball Bushing
Shaft Diameter: 3/8" inch
Quantity: One Bearing
Dynamic load rating: 225 N
LBB6UU Linear Motion Ball Bushing
✔️ 3/8" Bore - Sealed - Precision Linear Bearing - One Unit
The LBB6UU is a high-precision linear motion ball bushing designed with seals on both sides and a resin retainer for smooth, guided motion. With a 3/8" inner diameter, it's perfect for American-sized shafting in automation, 3D printing, and CNC applications.
✅ Shaft diameter: 3/8 inch
✅ Sealed on both sides for dust protection
✅ High-accuracy linear bushing design
✅ Resin retainer for quiet, smooth operation
✅ Dynamic load rating: 225 N
✅ Static load rating: 314 N
✅ Made for linear motion systems common in U.S. builds
✅ Sold as one linear bearing
Major Dimensions and Tolerances (in inches):
✅ dr: 3/8" (tolerance: 0 to -0.0004")
✅ D: 5/8" (tolerance: 0 to -0.0005")
✅ L: 7/8" (tolerance: 0 to -0.008")
✅ B: 33/64" (tolerance: 0 to -0.008")
✅ W: 3/64"
✅ D1: 37/64"
✅ Eccentricity: 0.0003"
✅ Radial clearance: 0.0005"
💡 Why use linear motion ball bushings like LBB6UU?
Linear ball bushings are ideal for applications where precise, low-friction motion is critical. They're often used in CNC machines, automation equipment, and robotics due to their smooth travel, high repeatability, and ease of replacement.
Perfect for compact linear setups needing precision guidance on U.S.-sized shafting.