ZKLR12442RS INA Lead Screw Support Bearing For Heavy Duty Linear Motion Precision With 12 mm Bore And 35.45 mm Outer Diameter Basic Dynamic Load Rating 13600 N Ideal For CNC Machines 3D Printers And Robotics

ZKLR12442RS INA Lead Screw Support Bearing for CNC (Single)
✔️ 12 mm bore, 35.45 mm OD, 22 mm height, single unit

The ZKLR12442RS INA lead screw support bearing is a heavy-duty precision unit designed for linear motion systems. It handles radial and axial loads, making it ideal for CNC machines, 3D printers, robotics, and other precision equipment where accurate alignment matters.

✅ d 12 mm bore, tolerance -0,007
✅ D 35,45 mm OD, tolerance +0,03 / -0,01
✅ H 22 mm height, tolerance -0,5
✅ A1 44 mm, A2 50 mm
✅ B 20 mm, tolerance +0,25
✅ m 38 mm mass
✅ n 32 mm
✅ C r 13600 N basic dynamic load rating
✅ C a 13200 N basic dynamic load rating, axial
✅ M RL 0,16 Nm bearing frictional torque
✅ M m 0,0102 kg x cm^2 mass moment of inertia
✅ n G Fett 3700 1/min limiting speed for grease lubrication
✅ ZM12 locknut recommended for axial location
✅ M A 8 Nm tightening torque with INA locknut
✅ 4 screws to DIN 912 required (not included)

💡 What is a lead screw support bearing used for in CNC machines and precision motion systems? This handy piece keeps screws aligned and reduces wear in moving parts. - Helps support both radial and axial loads in lead screw assemblies - Improves stability and straight-line motion in CNC and 3D printer setups - Works with INA locknut systems for precise preload and easy mounting - Extends service life by minimizing vibration and misalignment