Single Row Deep Groove Ball Bearing 6011-2RS1/C3 SKF Sealed for CNC Machine Tools

Product Specifications

Application Industries

Minimize CNC Downtime with Genuine SKF 6011-2RS1/C3 Bearings

CNC machine operators know the frustration of unexpected spindle failure—each hour of downtime costs thousands in lost production. Many turn to unauthorized suppliers for quick fixes, only to face premature bearing failure caused by counterfeit components or incorrect clearances. Sourcing multiple bearing brands from different suppliers further complicates inventory management and extends lead times for critical replacements.

Genuine SKF 6011-2RS1/C3 Bearings in Stock for Immediate Delivery

As an officially authorized SKF distributor, we maintain ready stock of the 6011-2RS1/C3 deep groove ball bearing to eliminate your emergency downtime risks. This single row sealed bearing, designed specifically for CNC machine tool spindles, combines precise 55x90x18mm dimensions with C3 clearance to accommodate thermal expansion during high-speed operations. Our standardized precision testing procedures ensure every bearing meets ISO 9001 and DIN standards before shipment.

Engineered for CNC Spindle Performance

The SKF 6011-2RS1/C3 excels in the demanding environment of CNC machine tools, where it operates under radial loads at speeds up to 6,000 r/min. Its double rubber seals (2RS1) provide effective protection against coolant and metal particles, while the sheet metal cage ensures stable ball guidance even during rapid acceleration. This bearing is particularly suited for horizontal machining centers and lathe spindles, where consistent precision and contamination resistance are critical for part quality.

Technical Features That Maximize Machine Uptime

The C3 clearance of this SKF bearing is carefully calibrated to compensate for temperature rises in high-speed CNC applications, preventing excessive friction and premature failure. The bearing steel construction delivers optimal hardness (HRC 58-62) for wear resistance, while the sealed design eliminates the need for frequent relubrication—reducing maintenance intervals by up to 40% compared to open bearings. Each unit undergoes full-process quality traceability, from incoming material verification to final dimensional inspection, ensuring compliance with P4/P2 precision grade standards.

Avoid the Hidden Costs of Counterfeit Bearings

Non-genuine 6011-2RS1/C3 bearings often fail within 3-6 months of installation, causing spindle damage that can cost $10,000+ to repair. These counterfeits typically use substandard steel with inconsistent hardness, leading to raceway pitting and cage fracture under CNC operating conditions. Our authentic SKF bearings, backed by full manufacturer certification, deliver an average service life of 20,000+ operating hours—minimizing total cost of ownership through reduced replacement frequency and fewer production interruptions.

Why 800+ Global Manufacturers Trust Our Bearings

Packaging & Shipping

• Original SKF box packaging with serial number verification
• Lead time: 3 days for orders of 1-100 pieces
• Global shipping via DHL, FedEx, or UPS with real-time tracking
• Shockproof packaging to preserve precision during transit
• Minimum order quantity: 1 piece, ideal for emergency repairs

Get Your CNC Spindle Back to Work

Every day of delayed bearing replacement costs your operation valuable production time. Our in-stock SKF 6011-2RS1/C3 bearings are ready for immediate dispatch—simply provide your CNC model and required quantity, and our team will confirm compatibility and deliver a quote within one working day.

Frequently Asked Questions