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| Categories | Miniature Bearing |
|---|---|
| Brand Name: | BUGAO |
| Model Number: | 623 Z |
| Certification: | ISO 9001:2015 |
| Place of Origin: | Ningbo, China |
| MOQ: | 1,000 pcs |
| Price: | Negotiable |
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability: | 30,000,000 pcs per year |
| Delivery Time: | Negotiable |
| Packaging Details: | Single Packing, Industrial/Tube Packing, Custom Packing |
| Oem Service: | Customization Welcomed |
| Bearing Material: | Chrome Steel |
| Cage Type: | Steel |
| Bearing Life: | Up to 10 years |
| Size: | Standard |
| Samples: | Available |
| Stock: | Rich |
| Company Info. |
| Ningbo Kent Bearing Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
The 623 Micro Motor Bearing is a miniature deep groove ball bearing designed for high-speed, low-noise applications in micro motors and precision instruments. With a compact 3x10x4mm (IDxODxW) size, this bearing ensures smooth rotation, minimal friction, and long service life in small electromechanical systems.
Manufactured with high-carbon chromium steel (GCr15) and available with ZZ shields or open design, it provides reliable performance in motors, drones, medical devices, and small appliances. The factory-direct pricing makes it a cost-effective solution for bulk OEM purchases.
| Parameter | Details |
|---|---|
| Model | 623 |
| Type | Deep Groove Ball Bearing |
| Inner Diameter (ID) | 3 mm |
| Outer Diameter (OD) | 10 mm |
| Width (W) | 4 mm |
| Material | Chrome Steel (GCr15) / Stainless Steel (SUS440C) |
| Shield Type | ZZ (Double Metal Shield) / Open |
| Cage Material | Steel / Nylon (Optional) |
| Precision Grade | ABEC-1 (Standard), ABEC-3 & ABEC-5 (High Precision) |
| Max Speed | 50,000 RPM (Grease Lubrication) |
| Load Capacity | Dynamic: 1.3 kN, Static: 0.6 kN |
| Temperature Range | -30°C to +120°C (Higher with specialty grease) |
| Lubrication | Pre-lubricated (Standard Grease / Oil) |
✔ Ultra-Compact Size (3x10x4mm) – Ideal for micro motor applications.
✔ Low Noise & Vibration – Ensures quiet operation in sensitive devices.
✔ High-Speed Capable – Supports up to 50,000 RPM with proper lubrication.
✔ Long Lifespan – Precision grinding reduces wear and friction.
✔ Factory Direct Price – Competitive cost for bulk orders.
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