High Precision NSK Thrust Ball Bearing 51104 51204 for CNC Machine Tools

Product Specifications

Application Industries

Prevent Costly CNC Downtime with High Precision NSK Thrust Ball Bearings 51104 51204

CNC machine operators know the frustration of unexpected spindle failures—each hour of downtime costs thousands in lost production. Many face the dilemma of choosing between overpriced original bearings with long lead times or cheap alternatives that fail prematurely. Sourcing multiple bearing types from different suppliers only adds coordination headaches and delivery delays.

Original NSK Thrust Bearings, In Stock for Immediate Delivery

Our High Precision NSK Thrust Ball Bearing 51104 and 51204 eliminate these pain points. As an officially authorized NSK distributor, we maintain ready stock of P4/P2 precision grade bearings, ensuring you get genuine components when you need them most. These single-row thrust bearings, with their separated design and 20*35*10 mm specification, excel in CNC machine tool spindles where axial load capacity and precision positioning are critical.

Engineered for Precision Axial Load Applications

NSK Thrust Ball Bearings 51104 and 51204 are specifically designed to handle thrust loads in high-precision machinery. Their non-aligning design ensures accurate axial positioning, while the separated inner and outer rings simplify installation and maintenance. In CNC lathes and machining centers, these bearings maintain stability even under varying cutting forces, contributing to consistent part quality and longer tool life.

Technical Excellence That Drives Performance

The P4 precision rating of these bearings guarantees minimal runout and tight dimensional tolerances—essential for achieving the sub-micron accuracy required in advanced manufacturing. Vibration class Z3V3 ensures smooth operation at high speeds, reducing noise and extending bearing life. Constructed from high-grade bearing steel, they withstand the rigors of continuous CNC operation, while the option for grease or oil lubrication allows customization to specific machine requirements. The 20mm bore diameter and 35mm outer diameter strike the perfect balance between compact design and load-carrying capability.

Why Genuine NSK Bearings Lower Your Total Cost

Counterfeit thrust bearings may save money upfront, but they often fail within months, causing catastrophic spindle damage and unplanned downtime. A single CNC machine outage can cost $5,000-$15,000 per day in lost production. Our genuine NSK bearings, backed by ISO 9001:2008 certification, deliver predictable performance and longer service intervals, reducing your total cost of ownership. Each bearing comes with complete certification documentation, ensuring compliance with strict quality standards in aerospace and medical manufacturing.

Your Trusted Partner for Precision Bearing Solutions

Packaging & Shipping

• Original NSK packaging with protective inner carton and outer pallet reinforcement
• Package Size: 5.50cm * 5.50cm * 3.00cm
• Package Gross Weight: 0.050kg
• Same-day dispatch for in-stock items, delivery within 3-7 business days
• Global shipping via DHL, FedEx, UPS, air freight, or sea freight
• Real-time logistics tracking provided for all orders
• Minimum order quantity: 1 piece, ideal for emergency repairs

Get Your NSK Thrust Bearings Today

Don't let bearing issues disrupt your production schedule. Whether you need to replace worn bearings in a CNC spindle or stock up on maintenance parts, we have the High Precision NSK Thrust Ball Bearings 51104 and 51204 ready to ship. Send us your requirements now and get back to manufacturing with confidence.

Frequently Asked Questions