01
Consultation
Technical needs assessment
ISO 9001
Certified
Genuine
Original
Global
50+ Countries
High Precision SKF 6203-2RSH/ZZ Deep Groove Ball Bearings for CNC Machine Tools 17x40x12mm
Ensure peak CNC machining precision with High Precision SKF 6203 Bearings—these 17x40x12mm deep groove ball bearings deliver consistent radial load handling and minimal vibration (Z3V3 rated) to reduce tool wear and improve surface finish quality. Engineered for industrial automation, their P4 precision grade ensures tight tolerance control, while dual-seal options (2RSH/ZZ) prevent contamination in high-speed spindle applications.
- Sweden-manufactured SKF authenticity guarantees long-term performance stability
- 0° contact angle optimizes axial rigidity for CNC axis positioning accuracy
- Grease/oil lubrication flexibility adapts to your maintenance protocol
Quality
Premium Grade
TS 16949 certified
Lead Time
From 2 weeks
Express available
MOQ
Negotiable
Free samples $50k+
Support
Lifecycle
15+ engineers
Need urgent help?
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 6203-2RSH/ZZ/2RS |
| Seals Type | Zz 2RS Open |
| Precision Rating | P0 P6 P5 P4 P2 |
| Lubrication | Grease or Oil |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Rows Number | Single |
| Aligning | Non-Aligning Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Separated | Unseparated |
| Standard | DIN GB ISO JIS ANSI |
| Weight | 0.1 kg |
| Specification | 17×40×12 mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482102000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Spindles, Electric Motors |
| Industrial Automation | Conveyor Systems, Robotic Arms, Precision Actuators |
| Semiconductor | Wafer Handling Equipment, Inspection Systems |
| Medical Equipment | Imaging Devices, Precision Surgical Tools |
Prevent Costly Downtime with Genuine High Precision SKF 6203 Bearings
CNC machine operators and maintenance teams know the frustration of unexpected spindle failure—unplanned downtime that halts production, delays orders, and increases labor costs. Many suffer from using non-genuine bearings that fail prematurely, or struggle with long lead times when sourcing critical replacement parts. When your equipment relies on precise motion control, choosing the wrong bearing isn’t just an expense—it’s a risk to your entire operation.
Genuine SKF 6203 Bearings: In Stock and Ready for Immediate Shipment
Our High Precision SKF 6203-2RSH/ZZ Deep Groove Ball Bearings solve these challenges with authentic SKF quality and immediate availability. As an officially authorized SKF distributor, we maintain ready stock of P4/P2 precision grade bearings, ensuring you get the 17x40x12mm bearings your CNC machine needs without delay. Each bearing undergoes standardized precision testing before shipment, verifying compliance with ISO 9001 and DIN standards—so you can install with confidence, knowing your equipment will perform reliably.
Engineered for High-Precision Industrial Environments
These SKF deep groove ball bearings excel in applications demanding consistent radial load handling and high rotational accuracy. With a contact angle of 0° and non-aligning design, they deliver stable performance in CNC machine spindles, where minimal vibration (Z1V1 to Z3V3 grades) and precise dimensional control are critical. Whether operating at high speeds with grease lubrication or in controlled environments with oil lubrication, these bearings maintain their precision even under continuous use—making them ideal for industrial automation and semiconductor manufacturing equipment.
Technical Features That Ensure Long-Term Performance
The 6203-2RSH/ZZ bearings are built to deliver measurable performance advantages. Their precision rating options (from P0 to P2) allow you to match bearing accuracy to your application—P4 grade, for example, minimizes runout in high-speed spindles, reducing tool wear and improving machining quality. The ZZ and 2RS seal options provide flexibility: metal shields (ZZ) offer robust protection in dry environments, while rubber seals (2RS) retain lubricant and block contaminants in dusty or humid conditions. Constructed from high-quality bearing steel, these units balance durability with low friction, extending service life and reducing energy consumption in continuous operation.
Why Genuine SKF Bearings Lower Your Total Cost of Ownership
Choosing genuine SKF 6203 bearings over counterfeit alternatives eliminates hidden costs. Non-genuine bearings often fail early due to substandard materials and poor manufacturing, leading to repeated replacements, unplanned downtime, and potential damage to expensive equipment components. In contrast, our authentic SKF bearings come with full certification documentation, ensuring traceability and compliance with global quality standards. The long-term reliability of genuine SKF products reduces maintenance frequency and extends equipment uptime—ultimately lowering your total cost of ownership despite a slightly higher initial investment.
Your Trusted Partner for Precision Bearing Solutions
With over 800 clients across 45 countries, we’ve earned a reputation for reliability in the high-precision bearing distribution sector. Our senior application engineering team brings on-site project experience to every interaction, offering tailored support from bearing selection to lifecycle technical guidance. We simplify procurement with cross-brand model matching and unified quality control, eliminating the need to coordinate with multiple suppliers. Every order includes professional shockproof and dustproof packaging to preserve bearing accuracy during transit, and a dedicated single point of contact for all technical and logistical needs.
Packaging & Shipping
- Original SKF packaging with protective carton and pallet reinforcement
- Express delivery available for urgent requirements
- Real-time logistics tracking for all shipments
- Flexible shipping options including DHL, FedEx, and UPS
- Minimum order quantity: 1 piece, ideal for emergency repairs
Get Your SKF 6203 Bearings Shipped Today
Don’t let equipment downtime impact your production schedule. Whether you need a single replacement bearing or a bulk order for planned maintenance, our ready stock ensures fast delivery. Send us your bearing designation, application details, and quantity, and our team will provide a quote within one working day—so you can get back to full operation quickly.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an officially authorized SKF distributor, guaranteeing 100% authentic products with full traceability and authorization certificates.
Q: How do I confirm if this bearing fits my CNC machine?
A: Provide your machine model or spindle specifications, and our engineering team will verify compatibility and recommend the optimal precision grade.
Q: What is your warranty policy?
A: All bearings come with SKF’s manufacturer warranty, covering defects in materials and workmanship. We offer unconditional replacement for verified manufacturing issues.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, supporting both emergency repairs and small-batch procurement needs.
Q: How long does shipping take?
A: In-stock bearings ship within 3-7 business days via your preferred carrier (DHL, FedEx, UPS, etc.), with real-time tracking provided.
Q: How can I verify the authenticity of the bearings?
A: Each bearing includes SKF’s original packaging with holographic labels and serial numbers, verifiable through SKF’s official channels. We also provide complete certification documentation with every order.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours
Procurement Process
From inquiry to lifecycle support
Our 5-step process ensures every order is engineered, validated, and supported for optimal performance.
02
Solution Design
Custom specifications
03
Sample & QC
Free samples for $50k+
04
Production
Pre-shipment inspection
05
Lifecycle Support
On-site & predictive
Request a Custom Quote
Get expert technical support for this product.
Our certified engineers respond within 24 hours with detailed technical specifications, pricing, and lead time information.
Response within 24 hours
Free samples for orders $50k+
Full technical documentation
No obligation, completely free
Direct Contact
info@skfiso.com
WhatsApp: +86 13963019862
No. 377 Bansongyuan Road, Shanghai, China
