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Ensure exceptional precision and reliability in your CNC machine tools with our Deep Groove Ball Bearing 693—engineered to deliver stable performance even in high-speed machining operations. Crafted from premium Gcr15 steel with P4 precision rating, this bearing minimizes vibration (Z1V1 to Z3V3 available) and ensures consistent load handling, directly addressing the critical need for long-term accuracy in precision manufacturing setups.
| Parameter | Details |
|---|---|
| Model NO. | 693 |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Product Name | Deep Groove Ball Bearings |
| Seals Type | Zz 2RS Open |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Specification | 3*8*3 mm |
| Trademark | SKF |
| Origin | Japan |
| HS Code | 8482102000 |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Precision Spindles, Automated Production Lines |
| Semiconductor | Wafer Processing Equipment, Inspection Systems |
| Medical | Precision Instrumentation, Diagnostic Equipment |
| Aerospace | Avionics Components, Guidance Systems |
CNC machine operators know the cost of unexpected spindle failure—hours of production loss, missed deadlines, and expensive repairs. When low-quality bearings fail prematurely, the ripple effect disrupts entire manufacturing schedules. Sourcing reliable P4 precision bearings often means coordinating with multiple suppliers, each with different lead times and quality standards, complicating maintenance planning.
Our Deep Groove Ball Bearing 693 with Gcr15 steel construction delivers the P4 precision your CNC machine tools demand. As an officially authorized distributor, we maintain ready stock of P4/P2 precision grade bearings, ensuring you get the exact component you need without extended wait times. Whether retrofitting a worn spindle or building new equipment, our engineering team provides application-specific guidance to ensure optimal bearing performance.
This 693 bearing excels in the demanding environments of CNC machine tools, where radial loads and high rotational speeds require consistent accuracy. With dimensions 3mm (bore) x 8mm (outer diameter) x 3mm (width), it fits compact spindle assemblies while maintaining the rigidity needed for tight tolerance machining. The single-row design balances load capacity and rotational efficiency, making it ideal for precision feed mechanisms and auxiliary axes in milling and turning centers.
The P4 precision rating ensures minimal radial and axial runout, critical for maintaining dimensional accuracy in machining operations. Gcr15 bearing steel provides superior hardness and wear resistance, extending service life under continuous operation. Available seal options (Zz, 2RS, Open) allow customization for different lubrication needs—sealed versions (2RS) retain grease in contaminated environments, while open designs suit applications requiring frequent relubrication. Vibration class Z3V3 minimizes operational noise and resonance, protecting sensitive CNC electronics and improving surface finish quality of machined parts.
Counterfeit bearings may save money upfront but often fail within months, causing catastrophic spindle damage. Our genuine SKF 693 bearings undergo rigorous testing to meet ISO 9001 and DIN standards, from material verification to finished product inspection. The true cost of a fake bearing includes not just replacement parts, but also lost production, rework of defective components, and potential damage to expensive CNC machinery. By choosing authorized distributors, you ensure full traceability and avoid these hidden expenses.
With 800+ clients across 45 countries, we’ve built our reputation on delivering precision bearings that perform reliably in critical applications. Our senior engineering team brings on-site project experience to every consultation, helping you select the right bearing for your specific CNC model and operating conditions. We provide complete certification documentation, including origin verification and quality inspection reports, to support your compliance requirements. Our standardized precision testing procedures ensure every bearing meets specifications before shipping, with shockproof and dustproof packaging preserving accuracy during transportation.
Don’t let bearing delays halt your production schedule. Our 693 P4 precision bearings are in stock and ready to ship. Send us your CNC machine model, required quantity, and delivery location, and our team will process your request within one business day. Every hour of downtime costs money—secure your bearings now and keep your manufacturing line running at peak efficiency.
Q: Are these genuine SKF bearings?
A: Yes, we are an officially authorized SKF distributor. All products come with full authorization certificates and traceability documentation to confirm authenticity.
Q: How do I confirm if the 693 bearing fits my CNC machine?
A: Provide your CNC machine model or spindle specifications, and our engineering team will verify compatibility and provide technical recommendations at no cost.
Q: What is the warranty policy for these bearings?
A: We offer the full manufacturer warranty covering manufacturing defects. If a bearing fails under normal operating conditions, we provide replacement or refund per SKF warranty terms.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, supporting both emergency repairs and small-batch requirements.
Q: How long does shipping take?
A: In-stock bearings ship within 1 business day. Delivery time depends on location, typically 3-7 working days via express courier.
Q: How can I verify the bearing's authenticity upon receipt?
A: Each bearing includes SKF's original packaging with holographic labels and serial numbers. We also provide certification documents that can be cross-verified through SKF's official channels.
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