Ensure smooth, precise rotation for your small machinery with the 681zz ball bearing, engineered to deliver reliable performance in compact applications. This miniature deep groove bearing combines P0-P4 precision grades with metal seals to minimize friction and extend service life, solving common issues with wear and vibration in tight spaces.
| Parameter | Details |
|---|---|
| Model NO. | 681 |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Specification | 1*3*1 mm |
| HS Code | 8482102000 |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | Small electric motors, precision instruments, micro gearboxes |
| Home Appliances | Small fans, pumps, office equipment components |
| Medical Devices | Portable diagnostic tools, precision surgical instruments |
| Electronics | Camera mechanisms, miniature robotics, 3D printer parts |
Micro-mechanical failures often start with不起眼 components—like bearings that fail prematurely due to poor precision or inadequate sealing. When your small machinery grinds to a halt, every minute of downtime eats into productivity. Sourcing reliable miniature bearings with tight tolerances can feel like searching for a needle in a haystack, especially when standard suppliers impose high minimum order quantities or long lead times.
The 681zz miniature deep groove ball bearing is designed to solve these challenges. With dimensions 1mm (bore) × 3mm (outer diameter) × 1mm (width), this metal seal bearing delivers P0-P4 precision grades to meet the demands of small machinery. As a professional bearing manufacturer with decades of export experience, we offer flexible order policies—including 1 piece MOQ for standard bearings—to support both emergency repairs and small-batch production needs.
This 681zz ball bearing excels in applications requiring high rotational accuracy and minimal friction. Its deep groove design ensures uniform load distribution, while metal seals provide effective protection against dust and particle contamination in tight mechanical spaces. Whether operating in high-speed miniature motors or precision instruments, the bearing maintains stable performance across Z1V1-Z3V3 vibration grades, reducing noise and extending equipment service life.
Precision is non-negotiable in miniature bearings. The P0-P4 precision range of this 681zz bearing directly impacts rotational stability—P4 grade reduces radial runout to less than 5μm, critical for optical and measurement equipment. Vibration grades Z2V2 and Z3V3 ensure smooth operation in noise-sensitive devices like medical instruments. The choice between grease or oil lubrication allows customization for operating speeds: oil-lubricated units perform better in high-RPM micro-motors, while grease options suit low-maintenance scenarios.
Low-quality miniature bearings may save pennies upfront but lead to frequent replacements and unplanned downtime. A failed 681zz bearing in a production line of small electronics can halt an entire assembly process, costing far more than the price of a reliable component. Our bearings undergo strict incoming material inspection and full-process production supervision, meeting ISO international standards to ensure consistent performance. The 12-month warranty provides additional assurance that your investment is protected against manufacturing defects.
With an automated production line capable of 1,000,000 units monthly, we maintain stable supply even for high-volume orders. Our in-house laboratory conducts dimensional detection and vibration tests to verify every bearing meets specification. As an ISO 9001:2015 certified manufacturer, we implement rigorous quality control from raw material selection to finished product inspection. Our technical team offers free guidance on bearing selection and installation, ensuring you get the right 681zz bearing for your specific application.
Don’t let micro-bearing issues disrupt your operations. Whether you need a single replacement or bulk supply, we can fulfill your 681zz miniature bearing order quickly. Send us your specifications and quantity requirements, and our team will confirm availability and delivery timelines within 24 hours.
Q: Is this 681zz bearing suitable for high-precision medical devices?
A: Yes, with P4 precision grade and Z3V3 vibration rating, it meets the requirements for precision medical instruments. Our technical team can provide application-specific lubrication recommendations.
Q: Can I request custom lubrication for the 681zz bearing?
A: Yes, we support ODM customization including lubrication type, seal materials, and packaging. Contact our sales team with your specific requirements.
What is the warranty coverage for this bearing?
A: We offer a 12-month warranty from the date of delivery. Defective products due to manufacturing issues will be replaced free of charge or refunded.
Q: Do you provide samples for testing?
A: Yes, sample orders are available with no MOQ. Customers are responsible for freight costs. Samples typically ship within 3-5 working days.
Q: How do you ensure the quality of mass-produced bearings?
A: Each production batch undergoes dimensional inspection, vibration testing, and noise analysis in our in-house laboratory. We maintain ISO 9001:2015 quality management system standards throughout production.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
Professional technical guidance and failure solutions from our R&D team.
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