MR104 Chrome Steel Micro Miniature Deep Groove Ball Bearing 4×10×4mm for Compact Precision Industrial Machinery
The MR104 Micro Miniature Deep Groove Ball Bearing features compact size with thickened width, high-hardness chrome steel brings low-noise, steady precision rotation, fit miniature devices with limited installation space.
Get a quote within 24 hours for your project
| Model | MR104 |
|---|---|
| Inner Diameter (ID) | 4 mm |
| Outer Diameter (OD) | 10 mm |
| Width | 4 mm |
| Structure | Single row miniature deep groove ball bearing |
| Material | Chrome steel |
| Gear Type (if any) | N/A |
Full technical data and drawings available upon request
- Compact outer size with wider width for better load capacity
- Low friction design delivers silent, stable high-speed rotation
- High hardness chrome steel extends service life under light loads
- Precision manufacturing meets strict miniature assembly demands
- Custom open/sealed structure, clearance and special grease options
Helps reduce maintenance cost and improve machine performance
This bearing is widely used in:
- Micro motors, miniature fans and electronic precision components
- RC hobby models, toy gearboxes and small rotary hand tools
- Mini medical instruments, optical lens precision equipment
- Smart wearable electronics and tiny transmission assemblies
Ideal for customers looking for reliable and long‑life bearing solutions
- 25+ years experience in industrial bearing manufacturing
- Exported to 50+ countries worldwide
- Rich experience in OEM & custom projects
- Strict quality inspection before shipment
- Fast response within 24 hours
- Stable supply for long‑term cooperation
We focus on quality, reliability, and long‑term partnership
- Raw material inspection
- Precision machining process
- Heat treatment control
- Clearance & rotation testing
- Final inspection before delivery
Ensuring consistent performance for every bearing
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Send your inquiry to get:
- Fast quotation within 24 hours
- Technical support from engineers
- Custom solution suggestions
- Competitive factory price
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Q1: Can you provide custom bearings?
Yes, we support OEM and custom production based on drawings or requirements.
Q2: What is your delivery time?
Standard models: 7–15 days
Custom products: depending on specifiions
Q3: Do you support bulk orders?
Yes, we provide stable supply for long‑term cooperation.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.