Double Row Cylindrical Roller Bearing NN3017 TN9/SP for Lathe Main Shaft High Rigidity

Product Specifications

Application Industries

Prevent Lathe Downtime with NN3017 TN9/SP Double Row Cylindrical Roller Bearing

Lathe operators know the cost of主轴故障—unplanned downtime halts production,错过了交货期限, and creates cascading delays across manufacturing schedules. Many face the frustration of bearings failing prematurely due to inadequate rigidity or poor precision, especially in high-speed machining applications. Sourcing reliable replacement bearings often means coordinating with multiple suppliers, each with different lead times and quality standards.

High Rigidity Bearing for Lathe Main Shafts, In Stock for Immediate Delivery

Our NN3017 TN9/SP Double Row Cylindrical Roller Bearing is engineered to address these challenges. As an officially authorized bearing distributor, we maintain sufficient ready stock of P4/P2 precision grade bearings, ensuring this high rigidity bearing is available for rapid delivery when you need it most. Designed specifically for lathe main shafts, it provides the stability required for precision machining, reducing the risk of production interruptions caused by bearing failure.

Optimal Performance in High-Precision Machining Conditions

This Double Row Cylindrical Roller Bearing excels in applications demanding high rigidity and accurate radial load handling. In lathe main shafts, it operates under continuous rotational stress, supporting both radial loads and moderate axial loads during cutting operations. The separated design allows for easy installation and maintenance, while the non-aligning特性 ensures precise shaft positioning—critical for achieving tight tolerances in machined components. Whether used in heavy-duty turning or precision finishing, this bearing maintains stability even at varying speeds.

Technical Features That Enhance Lathe Performance

The NN3017 TN9/SP Bearing incorporates key technical features that directly impact machining quality. Its cage, available in brass or steel, ensures uniform roller spacing, reducing vibration and noise during operation—vibration levels are further controlled by Z1V1, Z2V2, or Z3V3 rating options, with higher grades minimizing resonant frequencies. The bearing steel construction, hardened to 60-64 HRC, provides exceptional wear resistance, extending service life under continuous use. Clearance options (C0 to C5) allow customization for specific operating conditions, from tight precision setups to applications requiring thermal expansion accommodation, ensuring optimal preload and minimizing shaft deflection during heavy cuts.

Why Genuine Bearings Matter for Lathe Reliability

Choosing genuine high rigidity bearings over counterfeit alternatives directly affects total cost of ownership. Counterfeit bearings often lack proper material hardness and precision machining, leading to premature failure—costing far more in downtime and repairs than the initial savings. Our bearings adhere to strict ISO 9001 and DIN quality standards, with full-process quality traceability from incoming material verification to finished product delivery. This commitment ensures consistent performance, reducing the risk of unexpected failures and the associated costs of production halts, rework, and damaged tooling.

Why 800+ Global Clients Trust Our Bearing Solutions

Packaging & Shipping

• Carton pallet packaging designed to protect bearing precision during transit
• Priority processing available for urgent maintenance requirements
• Global logistics options including DHL, FedEx, and UPS for reliable delivery
• Real-time full logistics tracking provided for all shipments
• Flexible order quantities with no minimum purchase requirement

Secure Your Lathe’s Performance Today

Don’t let bearing issues disrupt your production schedule. The NN3017 TN9/SP Double Row Cylindrical Roller Bearing is in stock and ready to ship, ensuring minimal downtime for your lathe. Early replacement of worn bearings prevents catastrophic failures and maintains consistent machining quality—act now to keep your operations running smoothly.

Frequently Asked Questions