Double Row Angular Contact Ball Bearing 3217-a Gcr15 Steel for CNC Machine Tools

Product Specifications

Application Industries

Minimize CNC Downtime with Double Row Angular Contact Ball Bearing 3217-a

CNC machine operators know the frustration of unexpected spindle failures—each hour of downtime costs thousands in lost production. Sourcing reliable double row angular contact ball bearings often means coordinating with multiple suppliers, facing inconsistent quality standards, and waiting weeks for critical replacements. Mismatched precision grades or counterfeit components only compound these issues, leading to premature wear and repeated breakdowns.

Genuine SKF Bearings, In Stock for Immediate Delivery

Our Double Row Angular Contact Ball Bearing 3217-a addresses these challenges directly. As an officially authorized SKF distributor, we guarantee 100% authentic Gcr15 steel bearings with P4/P2 precision grades available in ready stock. This means no more extended lead times for CNC machine tool bearings—we handle cross-brand model matching and technical verification within one working day, ensuring you get the right component when you need it most.

Engineered for High-Precision CNC Operations

This double row angular contact ball bearing excels in the demanding conditions of CNC machine tools, where radial and axial loads act simultaneously during high-speed machining. The separated design allows for easy mounting and dismounting, while the angular contact structure provides the rigidity required for precise cutting operations. Whether used in vertical or horizontal spindles, it maintains stable performance under varying speeds and load conditions, critical for maintaining tight tolerances in precision manufacturing.

Technical Details That Ensure CNC Performance

The precision rating of this bearing directly impacts machining accuracy—P4 grade minimizes runout to less than 5μm, ensuring consistent part quality even during prolonged operation. The Gcr15 bearing steel construction offers excellent fatigue resistance, extending service life under cyclic loading. Available cage options cater to specific application needs: steel cages provide high-temperature stability for continuous machining, while nylon cages reduce friction and noise in high-speed spindles. Lubrication with premium oil or grease is optimized for CNC operating temperatures, preventing premature lubricant degradation and bearing failure.

Why Authentic Bearings Matter for CNC Reliability

Counterfeit angular contact ball bearings may save on initial cost, but they often lack proper heat treatment and dimensional accuracy. This leads to increased vibration, accelerated wear, and catastrophic spindle failure—costing far more in repairs and downtime than the original investment. Our bearings adhere to ISO 9001 and DIN standards, with full-process quality traceability from material verification to finished product delivery. Choosing genuine Gcr15 steel bearings ensures predictable performance and reduces the total cost of ownership for your CNC equipment.

Why 800+ Global Clients Trust Our Bearing Solutions

Packaging & Shipping

• Secure carton pallet packaging with protective measures to prevent damage during transit
• Priority processing for urgent orders, with ready stock available for same-day dispatch
• Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
• Real-time logistics tracking provided for all shipments
• Minimum order quantity of 1 piece, ideal for emergency maintenance and small-batch requirements

Get Your CNC Bearings Shipped Today

Don’t let bearing issues halt your production schedule. Send us your bearing designation, CNC machine model, and required quantity, and our team will provide a detailed quotation within 24 hours. With our ready stock of P4/P2 precision bearings, we can have your Double Row Angular Contact Ball Bearing 3217-a delivered quickly, minimizing downtime and getting your machines back to work.

Frequently Asked Questions