Product Specifications
| Parameter |
Details |
| Model NO. |
628 |
| Material |
Bearing Steel |
| Product Name |
SKF/NTN/NSK/Koyo/NACHI/Timken Roller Bearing |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Feature |
Long Life, High Speed, Low Noise |
| Stock |
Rich Stocks |
| Transport |
by Sea or by Air |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Trademark |
SKF/NTN/NSK/KOYO/NACHI/TIMKEN |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printers, Gearboxes |
| Automotive |
Hub Assemblies, Electric Motors |
| Agriculture |
Harvesters, Tractors |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
| Home Appliances |
HVAC Systems, Washing Machines |
| Construction |
Excavators, Conveyors |
Eliminate Downtime with 628 Plastic POM Ball Bearing for OEM Applications
Manufacturers across Europe, America, and Southeast Asia often face the frustration of bearing failures disrupting production lines. When standard bearings fail prematurely due to noise, wear, or poor precision, the cost of replacement parts and unplanned downtime adds up quickly. Many suppliers force minimum order quantities that leave small-to-medium businesses struggling to maintain inventory, while others compromise on material quality to cut costs.
Low Noise, Long Life 628 POM Ball Bearing – Built for Your Exact Needs
Our 628 plastic ball bearing addresses these challenges with POM material construction that delivers exceptional noise reduction (Z2-Z4 grade) and extended service life, critical for OEM applications where reliability directly impacts end-product quality. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we offer full customization to match your specific dimensions and performance requirements. Whether you need a single sample for testing or bulk orders for production, our flexible 1pc MOQ and 3–5 day sample lead time ensure you get the bearings you need without delays.
Engineered for Demanding Operating Conditions
The 628 POM ball bearing excels in applications requiring low friction and high precision, such as electric motor assemblies, textile machinery, and medical equipment. Its POM material resists corrosion and chemical exposure, making it suitable for humid or harsh environments where metal bearings might degrade. With precision ratings from P0 to P4, this bearing maintains stability even at high rotational speeds, reducing vibration and ensuring consistent performance in critical systems like CNC machine spindles and conveyor belts.
Technical Advantages That Drive Performance
Three key parameters define the 628 plastic ball bearing’s superiority: precision rating, vibration control, and material durability. The P0-P4 precision grades ensure minimal radial and axial runout, which is essential for maintaining alignment in high-speed applications. Vibration levels (Z1V1 to Z3V3) are strictly controlled during manufacturing, reducing noise pollution and extending the life of adjacent components by minimizing stress. The POM construction offers a unique combination of low density and high impact strength, allowing the bearing to withstand sudden loads without deformation while keeping overall equipment weight in check.
Why Cutting Corners on Bearings Costs More in the Long Run
Choosing low-quality plastic bearings may seem like a cost-saving measure, but the hidden expenses tell a different story. Bearings with inconsistent wall thickness or poor material purity often fail within months, leading to production halts, emergency repairs, and potential damage to expensive machinery. Our 628 POM ball bearing, backed by a 12-month global warranty, eliminates these risks by adhering to strict quality control protocols in our ISO-certified lab. Every unit undergoes dimensional inspection and performance testing before shipment, ensuring it meets the exact specifications required for your application.
Your Reliable Partner for Bearing Solutions Since 2005
Jinan Saifan Bearing has served global buyers for over 18 years, building a reputation for stability and technical expertise. Our R&D team works closely with OEMs to develop custom bearing solutions, while our QC lab ensures each product meets international standards. We maintain rich stocks of standard items for quick delivery, and our defect replacement policy gives you peace of mind. With clients across Europe, America, Southeast Asia, and the Middle East, we understand the unique needs of global supply chains and offer flexible payment options including T/T, credit card, and Alibaba trade assurance.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- 3–5 day lead time for samples, 5–15 days for bulk orders
- Global shipping via sea or air, with tracking provided for all orders
- Free samples available (buyer covers freight costs)
- Minimum order quantity of 1 piece for standard items
Get Your 628 POM Ball Bearing Quote Today
Don’t let bearing issues slow down your production. Whether you need a standard 628 plastic ball bearing or a customized solution, our team is ready to assist. Send us your application details, required quantity, and any specific customization needs, and we’ll provide a competitive quote within 24 hours. With our fast lead times and reliable supply, you can keep your operations running smoothly.
Frequently Asked Questions
Q: Are these 628 POM ball bearings authentic?
A: Yes, we supply authentic bearings and offer full traceability for all products. For branded bearings like NSK/INA, we provide official authorization documentation upon request.
Q: How can I confirm if the 628 bearing fits my equipment?
A: Provide your equipment model or technical specifications (bore diameter, load requirements, operating speed), and our engineering team will verify compatibility at no cost.
Q: What is the warranty period for this bearing?
A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions, we provide free replacement or a full refund.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, making it easy to order samples or small quantities for maintenance and testing.
Q: How long does shipping take?
A: Samples ship within 3–5 days, and bulk orders within 5–15 days. We offer sea or air transport options to meet your timeline requirements.
Q: Can you customize the 628 bearing for special applications?
A: Yes, we provide
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