6809 ZZ 10 Pack 45x58x7mmThin Section Ball Bearings Metal Shielded,High Speed Chrome Steel Bearing for Electric Motor,Robotics,Hollow Shaft Motors,RC Drones,and More

6809 ZZ 10 Pack 45x58x7mmThin Section Ball Bearings Metal Shielded,High Speed Chrome Steel Bearing for Electric Motor,Robotics,Hollow Shaft Motors,RC Drones,and More

• THIN SECTION LARGE BORE FIT: Model: 6809 ZZ (Globally recognized as 61809-ZZ, 61809-2Z). Exact Specifications: 45mm Inner Diameter (Bore) x 58mm Outer Diameter (OD) x 7mm Width. Engineered with an ultra-thin wall profile specifically for space-constrained assemblies requiring a large 30mm shaft
• DOUBLE METAL SHIELDED FOR MAX RPM: Equipped with rigid dual metal shields (ZZ) on both sides. This specialized design effectively blocks dust and debris while maintaining exceptionally low friction, unlocking lightning-fast rotational speeds that rubber-sealed bearings cannot achieve
• THE HOLLOW-SHAFT ROBOTICS UPGRADE: The massive 45mm bore combined with a minimal 58mm OD makes it the ultimate choice for hollow-shaft motors, robotic arm joints, and camera gimbals where internal wiring or lasers must pass cleanly through the center of the mechanism
• LIGHTWEIGHT & HIGH EFFICIENCY: Forged from premium Chrome Steel (ABEC-3) and factory pre-lubricated with high-temperature machine grease. It delivers a buttery-smooth rotation and outstanding radial load distribution without adding unnecessary weight to your drones or precision instruments
• VERSATILE DRY-ENVIRONMENT USE: The perfect precision replacement bearing for high-speed, indoor mechanics. Highly recommended for custom 3D printers, optical equipment, indoor cycling trainers, and aerospace modeling.