The Radial Ball Bearing 624ZZ (4x13x5 mm) is a high-quality, double-shielded ball bearing designed for use in 3D printers, robots, and other applications requiring this size. It features ABEC-3 quality and comes with two metal shields, one on each side, to protect the bearing from dust and contaminants, ensuring smooth and reliable operation.
These 624ZZ bearings are carefully selected for their durability and long-lasting performance, making them ideal for continuous use in demanding environments. Pre-lubricated from the manufacturer, they require no additional lubrication, providing excellent protection against dust and corrosion.
Perfect for use in RepRap 3D printers, CNC projects, and robotics, these SKF premium quality deep groove ball bearings are versatile, robust, and designed to withstand heavy-duty use, offering longer lifespan compared to cheaper alternatives.
Specification
| Model No.: | 624ZZ |
|---|---|
| Inner Diameter [ID] (mm) | 4 |
| Outer Diameter [OD] (mm) | 13 |
| Thickness (mm): | 5 |
| Weight (g): | 1 (approx) (each) |
Package Includes :
4 x Radial Ball Bearing 624ZZ for 3D Printer/ Robot
Technical Specifications
| Package Quantity | 4 pcs |
|---|---|
| SKU | AI6321 |
| Weight | 0.02 kg |
| Availability | Out of Stock |
Applications & Use Cases
The Radial Ball Bearing 624ZZ for 3D Printer/ Robot – 4Pcs is a versatile bearings used across a wide range of applications including 3D printer motion systems, CNC machines, conveyor belts, robotic joints, and motor shafts.
Common use cases:
- Replacing worn bearings in a 3D printer
- Building a CNC linear motion system
- Adding smooth rotation to a robotic arm joint
This product is ideal for mechanical engineers, 3D printer owners, and CNC builders.
Technical Tip: Linear bearings (LM8UU) for smooth rail motion; ball bearings for rotational applications. Keep bearings lubricated for long life.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components

Ayush Chopra (verified owner) –
Pretty good Radial Ball Bearing 624ZZ for 3D. Value for money. Using it for my college 3D printing projects.
Deepika Rawat –
This Radial Ball Bearing 624ZZ for 3D is the best I’ve used. Dimensional accuracy is spot on.
Kunal Pandey (verified owner) –
Average Radial Ball Bearing 624ZZ for 3D. Quality is okay but had some inconsistent diameter issues.
Manish Chauhan (verified owner) –
Excellent Radial Ball Bearing 624ZZ for 3D! Print quality is outstanding. No warping or stringing issues.
Zubin Iyer –
Okay Radial Ball Bearing 624ZZ for 3D. Works but needed more temperature tuning than expected.
Jayesh Nair (verified owner) –
Perfect Radial Ball Bearing 624ZZ for 3D for my 3D printing needs. Spool is well wound, no tangles.
Ojas Ghosh (verified owner) –
Pretty good Radial Ball Bearing 624ZZ for 3D. Value for money. Using it for my college 3D printing projects.
Arjun Reddy (verified owner) –
Great Radial Ball Bearing 624ZZ for 3D. Temperature settings are as recommended. Perfect first layer every time.
Lokesh Chopra (verified owner) –
Perfect Radial Ball Bearing 624ZZ for 3D for my 3D printing needs. Spool is well wound, no tangles.
Vidya Trivedi (verified owner) –
Decent Radial Ball Bearing 624ZZ for 3D. Some initial calibration needed but prints are coming out well now.