Product Specifications
| Parameter |
Details |
| Model NO. |
R188 |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Clearance |
C0, C3, C4 |
| Service |
OEM, ODM |
| Transport Package |
Carton, Pallet |
| Specification |
6.35×12.7×3.18mm |
| Origin |
China |
| HS Code |
8482300000 |
| Production Capacity |
1000000 units |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Small electric motors, precision machine tools, textile machinery components |
| Home Appliances |
Micro-pumps, small fans, household appliance rotating parts |
| Automotive Components |
Instrument panel mechanisms, seat adjustment systems |
| New Energy |
Solar tracker components, small wind turbine accessories |
Eliminate Downtime with R188 Deep Groove Ball Bearing for Industrial Machinery
Machine operators know the frustration of unexpected downtime caused by bearing failure in critical small components. When a 6.35mm bore bearing fails in precision equipment, it halts production lines and creates costly delays. Many suppliers force minimum orders that tie up capital, while others compromise on precision leading to premature wear. Finding a reliable source for small size bearings that balances quality, flexibility, and fast delivery has long been a challenge.
R188 Bearing: Precision Engineered for Uninterrupted Performance
Our R188 deep groove ball bearing delivers the solution to these common pain points. With dimensions 6.35×12.7×3.18mm and precision ratings from P0 to P4, this small size bearing meets the exacting standards of industrial machinery applications. As an integrated manufacturer with full R&D capabilities and ISO9001 certification, we ensure consistent quality across every unit. Whether you need a single sample for testing or bulk orders for production, our 1pc MOQ and 3-5 day sample lead time provide the flexibility modern manufacturers require.
Optimal Performance in Compact Industrial Applications
The R188 bearing excels in applications requiring high rotational accuracy in limited space. Operating in small electric motors and precision machine tools, it handles radial loads efficiently while maintaining low noise levels critical for office and factory environments. Its compact design (6.35mm inner diameter, 12.7mm outer diameter, 3.18mm width) makes it ideal for equipment where space is at a premium, yet performance cannot be compromised. The deep groove structure ensures uniform load distribution, extending service life even under continuous operation.
Technical Specifications That Matter
Precision class directly impacts your equipment’s performance: P0 for general industrial use, P4 for high-precision applications where minimal runout is essential. Our clearance options (C0, C3, C4) allow customization based on operating conditions—standard C0 for typical applications, C3/C4 for high-temperature environments or where thermal expansion is a concern. The combination of precision and clearance ensures proper fit and function in everything from household appliances to industrial machinery. As an OEM/ODM provider, we can tailor these specifications to match your exact application requirements, backed by our in-house QC lab testing.
Why Precision Bearings Reduce Total Cost of Ownership
Choosing the right small size bearing goes beyond initial cost. Inferior bearings with inconsistent precision lead to increased vibration, higher energy consumption, and premature failure. The resulting downtime, maintenance costs, and production losses far exceed any upfront savings. Our R188 deep groove ball bearing, manufactured to strict quality standards, minimizes these risks. With ISO14001 certification ensuring environmental responsibility and a 12-month global warranty, it delivers reliable performance that lowers total cost of ownership over the long term. For industrial machinery manufacturers, this means fewer replacements, less maintenance, and more consistent production output.
Your Trusted Partner for Bearing Solutions
Since 2005, Jinan Saifan Bearing has served global buyers across Europe, America, Southeast Asia, and the Middle East. Our commitment to quality is demonstrated through full R&D capabilities, an in-house QC lab, and ISO9001/ISO14001 certifications. We offer free technical guidance to help you select the optimal bearing for your application, and our defect replacement policy ensures peace of mind. With production capacity exceeding 1,000,000 units monthly, we maintain stable supply even for large orders. Our customers benefit from flexible payment options including T/T, credit card, and Alibaba trade assurance, ensuring secure transactions at every step.
Packaging & Shipping
- Packaged in cartons with pallet options for bulk orders, ensuring safe transport
- Sample lead time: 3–5 days for standard specifications
- Bulk delivery: 5–15 days depending on order volume
- Global shipping via trusted carriers; buyer covers freight costs
- Minimum order quantity: 1 piece for standard items, supporting emergency repairs and small-batch production
Secure Your R188 Bearings Today
Don’t let equipment downtime affect your productivity. Whether you need samples for testing or production quantities, our R188 deep groove ball bearing is ready to meet your industrial machinery needs. With fast lead times and expert technical support, we make the procurement process efficient and reliable. Contact us now to discuss your requirements and get your production back on track.
Frequently Asked Questions
Q: Are these R188 bearings new and authentic?
A: Yes, all our bearings are new and manufactured in our ISO9001-certified facility in Shandong, China. We provide full product traceability for quality assurance.
Q: How can I confirm if the R188 (6.35×12.7×3.18mm) bearing fits my equipment?
A: Provide your equipment model or specific application requirements, and our technical team will verify compatibility and recommend the appropriate precision class and clearance for your needs.
Q: What warranty coverage do you offer for the R188 bearing?
A: We provide a 12-month global warranty covering manufacturing defects. Defective products will be replaced or refunded according to our warranty policy.
Q: What is the minimum order quantity for R188 bearings?
A: We accept minimum orders of 1 piece for standard specifications, supporting both emergency repair needs and small-batch production requirements.
Q: How long does it take to receive my order?
A: Sample orders typically ship within 3–5 days. Bulk orders require 5–15 days for production, with shipping times varying by destination and chosen carrier.
Q: Do you offer OEM/ODM services for the R188 bearing?
A: Yes, we provide full OEM/ODM customization services, including custom precision grades, clearances, and packaging options to meet your specific requirements.
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