Product Specifications
| Parameter |
Details |
| Model NO. |
627 628 629 |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
7*22*7 mm |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1,000,000 units |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine tools, Printing equipment, Reducers |
| Automotive |
Hub assemblies, Gearboxes |
| Agriculture |
Harvesters, Tractors |
| Home Appliances |
Electric motors, Pumps |
| New Energy |
Wind turbines, Photovoltaic equipment |
Minimize Downtime with Precision Deep Groove Ball Bearings 627 628 629 for Industrial Machinery
Industrial machinery operators face recurring challenges: bearings failing prematurely due to poor precision, long lead times for custom orders, and inconsistent quality from unreliable suppliers. These issues lead to unexpected production halts, increased maintenance costs, and missed deadlines—problems that directly impact your bottom line.
Engineered for Reliable Performance in Critical Machinery
Our Deep Groove Ball Bearings 627, 628, and 629 address these pain points with P0-P4 precision ratings and Z1V1-Z3V3 vibration control, ensuring stable operation in high-speed industrial applications. Backed by ISO9001 and ISO14001 certifications, these bearings deliver consistent quality for machine tools, printing equipment, and reducers. With 1pc MOQ for standard items and 3–5 days sample lead time, we support both small-batch maintenance and large-scale production needs.
Optimal Performance in Demanding Industrial Conditions
These deep groove ball bearings excel in applications requiring high rotational accuracy and low noise. Whether operating in the continuous motion of printing presses or the heavy loads of machine tool spindles, their robust design handles radial and axial loads efficiently. The grease or oil lubrication options allow adaptation to operating temperatures and speeds, ensuring longevity even in 24/7 production environments.
Key Technical Attributes That Drive Machinery Efficiency
The precision rating (P0-P4) directly influences operational stability—P4级 bearings minimize runout and vibration, critical for precision machining where tolerances matter. Vibration grades (Z2-Z4) reduce noise and heat generation, extending bearing life and improving machine operator comfort. The 7*22*7 mm specification balances compact size with load capacity, making these bearings ideal for space-constrained industrial equipment. OEM/ODM services enable customization of internal clearances and cage materials to match specific machinery requirements.
Why Precision Matters More Than Initial Cost
Choosing low-quality bearings may save upfront costs but leads to hidden expenses: unplanned downtime, frequent replacements, and potential damage to connected components. Our bearings, manufactured in a facility with full R&D and QC labs, undergo rigorous testing to ensure compliance with international standards. The 12-month global warranty covers manufacturing defects, providing financial protection against premature failure. For industrial machinery makers, investing in high-precision bearings reduces total cost of ownership by improving equipment reliability and extending maintenance intervals.
Our Commitment to Your Production Continuity
With 18 years of experience serving global buyers, Jinan Saifan Bearing combines manufacturing expertise with responsive service. Our production capacity of 1,000,000 units ensures stable supply, while free technical guidance helps optimize bearing selection for your specific application. We offer flexible payment terms (T/T, credit card, Alibaba trade) and defect replacement/refund policies, reinforcing our role as a reliable long-term partner. Our bearings reach customers across Europe, America, Southeast Asia, and the Middle East, supported by efficient logistics and clear communication throughout the order process.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- 3–5 days lead time for samples, 5–15 days for bulk deliveries
- Global shipping via trusted carriers; buyer covers freight for samples
- Provided tracking numbers for real-time shipment monitoring
- 1pc minimum order quantity for standard bearings, supporting emergency repairs
Get Your Machinery Back to Peak Performance
Don’t let bearing issues disrupt your production schedule. Send us your bearing型号, application details, and required quantity today. Our team will confirm specifications and provide a competitive quote within 24 hours, ensuring you get the right bearings when you need them.
Frequently Asked Questions
Q: Are these bearings manufactured to original specifications?
A: Yes, our bearings are produced in our ISO9001/ISO14001 certified facility with strict quality control, ensuring compliance with international standards. We also supply authentic NSK/INA bearings for specific requirements.
Q: How can I confirm the right bearing model for my equipment?
A: Provide your machinery model, operating speed, load conditions, and required precision grade. Our technical team offers free选型 support to ensure optimal bearing匹配.
Q: What warranty coverage do you offer?
A: We provide a 12-month global warranty covering manufacturing defects. Defective products will be replaced or refunded according to our after-sales policy.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, supporting both small maintenance orders and large-scale production requirements.
Q: How long does it take to receive an order?
A: Samples ship in 3–5 days, bulk orders in 5–15 days after payment confirmation. Shipping time depends on destination and selected logistics method.
Q: How do you ensure quality consistency?
A: Our QC lab conducts rigorous testing at every production stage, from raw material inspection to final product verification. We maintain full traceability for all bearings.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
