High Rigidity Double Row Cylindrical Roller Bearing for Lathe Main Shaft NN3017 TN9/SP with 60-64 HRC Hardness

Product Specifications

Application Industries

Reduce Lathe Downtime with High Rigidity NN3017 TN9/SP Main Shaft Bearings

Lathe operators know the frustration of unexpected downtime when main shaft bearings fail prematurely. In precision machining, even minor vibration or loss of rigidity can ruin workpieces and force production halts. Sourcing reliable bearings for lathe main shafts often means navigating multiple suppliers, inconsistent quality, and long lead times for critical replacements.

High Rigidity Double Row Cylindrical Roller Bearings for Lathe Performance

Our NN3017 TN9/SP High Rigidity Double Row Cylindrical Roller Bearing addresses these challenges directly. As an official authorized distributor of SKF & NTN, we maintain sufficient hot-selling stock to ensure quick delivery for emergency maintenance needs. The 60-64 HRC hardness of this bearing ensures exceptional wear resistance, making it ideal for the demanding conditions of lathe main shafts where precision and durability are non-negotiable.

Optimal Performance in Lathe Main Shaft Applications

This Double Row Cylindrical Roller Bearing is specifically engineered for lathe main shafts, where it must withstand high radial loads and maintain rigidity during high-speed rotation. The separated design allows for easy mounting and dismounting, simplifying maintenance procedures. Whether used in heavy-duty industrial lathes or precision CNC turning centers, this bearing delivers consistent performance under the continuous stress of metal cutting operations.

Key Technical Features Enhancing Lathe Operation

The 60-64 HRC hardness rating of the bearing steel ensures a hardened surface that resists indentation and wear, directly contributing to longer service life in abrasive machining environments. Available clearance grades (C0 C2 C3 C4 C5) allow customization to specific lathe models, ensuring proper preload and minimizing vibration. The brass and steel cage options provide stable roller guidance, with brass cages offering superior heat dissipation for high-speed applications. Vibration classes Z1V1 to Z3V3 further ensure smooth operation, critical for maintaining machining precision and reducing noise in workshop environments.

Why Authentic Bearings Matter for Lathe Reliability

Using non-genuine bearings in lathe main shafts poses significant risks. Counterfeit bearings often lack the precise hardness and clearance control of authentic products, leading to premature failure, increased vibration, and potential damage to expensive machinery. The cost of replacing a failed bearing is minimal compared to the production losses from unplanned downtime or the expense of repairing a damaged main shaft. Our bearings, sourced through official SKF & NTN channels, come with complete quality documentation, ensuring they meet the strict standards required for precision lathe applications.

Why Buyers Trust Our Bearing Solutions

Packaging & Shipping

• Carton pallet packaging for secure transportation
• Stock availability ensures prompt delivery for urgent maintenance
• Flexible logistics options including DHL, FedEx, UPS, air, and sea freight
• Real-time logistics tracking provided for all shipments
• Minimum order quantity of 1 piece, supporting both emergency repairs and bulk purchases

Get Your Lathe Back to Work with Reliable Bearings

Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement NN3017 TN9/SP bearing or are planning maintenance for multiple lathes, we can fulfill your order quickly. Sending your bearing requirements today means minimizing downtime and keeping your machining operations running smoothly.

Frequently Asked Questions