MR633ZZ Ball Bearing - 3mm ID x 13mm OD x 5mm Width - Chrome Steel

MR633ZZ Chrome Steel Ball Bearing
✔️ 3x13x5mm - Double Metal Shields - High-Speed Rated

The MR633ZZ is a miniature deep groove ball bearing made from high-strength chrome steel, designed for compact spaces where speed and durability matter. With metal shields on both sides and pre-lubricated grease, it's ready for high-speed performance right out of the box.

✅ Pack size: 1 bearing
✅ Inner diameter: 3mm
✅ Outer diameter: 13mm
✅ Width: 5mm
✅ Type: Deep groove radial - miniature size
✅ Material: Chrome steel
✅ Closures: Double metal shields (ZZ)
✅ Lubrication: Grease-lubed and sealed
✅ Dynamic load rating: 1,300 N
✅ Static load rating: 490 N
✅ Limiting speed (grease): 44,000 RPM
✅ Use: Ideal for small motors, RC equipment, robotics, and instruments

Dimensions Table:

💡 Why choose miniature shielded ball bearings like the MR633ZZ?
They're made for fast, smooth motion in tight spaces.

• Shields keep dust out for longer bearing life

• Chrome steel adds strength and low friction

• Fits small mechanical assemblies with high RPM needs

• Perfect for drones, medical tools, and hobby projects

Tiny but tough - pick up the MR633ZZ and keep your precision setup spinning flawlessly.