Consultation
Technical needs assessment
Ensure peak precision in your CNC machine tools with our High Precision NSK Thrust Ball Bearing 51104 51204, delivering reliable axial load handling for critical machining operations. These P4/P2 grade bearings maintain tight dimensional accuracy, reducing vibration (Z1V1-Z3V3) to minimize tool wear and enhance surface finish quality.
Backed by ISO 9001-certified quality control, these NSK thrust bearings integrate seamlessly into your precision workflow, eliminating the hassle of coordinating with multiple suppliers for critical components.
| Parameter | Details |
|---|---|
| Model NO. | 51104 51204 |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Certification | ISO9001:2008 |
| Stock | in Stock |
| Service | OEM ODM |
| Aligning | Non-Aligning Bearing |
| Separated | Separated |
| Rows Number | Single |
| Load Direction | Thrust Bearing |
| Material | Bearing Steel |
| Transport Package | Carton Pallet |
| Specification | 20*35*10 mm |
| Trademark | SKF |
| Origin | Japan |
| HS Code | 8482102000 |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools |
CNC machine operators know the frustration of unexpected spindle failures—when bearings lose precision, production halts, and repair costs escalate. Sourcing reliable thrust bearings often means juggling multiple suppliers, each with different lead times and quality standards. For high-precision applications, even minor deviations in bearing performance can compromise workpiece accuracy and tool life.
Our High Precision NSK Thrust Ball Bearing 51104 51204 solves these challenges with authentic P4/P2 grade components ready for same-day shipment. As an officially authorized NSK distributor, we maintain sufficient stock of precision bearings to meet urgent maintenance needs, eliminating the 4-6 week wait times common with direct OEM orders. Each bearing undergoes standardized precision testing before dispatch, ensuring it meets the exacting requirements of CNC machine tool spindles and linear motion systems.
Thrust ball bearings like the 51104 and 51204 series excel in applications where axial load handling is critical. In CNC lathes and machining centers, these bearings support vertical and horizontal spindle movements, maintaining positioning accuracy under varying cutting forces. Their separated design allows for easy installation and maintenance, while the single-row configuration optimizes space efficiency in compact machine tool assemblies. When operating at typical CNC spindle speeds, the precision ground raceways and controlled vibration levels (Z1V1 to Z3V3) minimize noise and heat generation.
The 20*35*10 mm dimensions of the 51104/51204 bearings balance load capacity with compact design, making them ideal for high-speed spindle applications. The P4/P2 precision ratings ensure minimal radial runout and axial clearance, critical for maintaining tight tolerances in precision machining. Constructed from high-grade bearing steel, these components deliver consistent performance across the operating temperature ranges typical of CNC environments. The option for grease or oil lubrication allows customization based on specific machine tool requirements, with grease being preferred for most spindle applications due to its maintenance-free operation and contamination resistance.
Non-genuine thrust bearings may save on initial cost but often fail prematurely in CNC applications, leading to unplanned downtime and secondary damage to spindles and drive components. Our NSK bearings come with full certification documentation, ensuring traceability from manufacturing to delivery. By adhering to ISO 9001 standards throughout our quality control process, we eliminate the risk of substandard components entering your production line. The long-term reliability of genuine NSK bearings reduces total cost of ownership by minimizing replacement frequency and extending maintenance intervals.
With official brand authorization from NSK, we guarantee 100% authentic products supported by complete certification documentation. Our senior application engineering team brings decades of on-site experience with CNC machine tool applications, offering personalized bearing selection and working condition matching. Serving over 800 clients across 45 countries, we’ve established a global logistics network with professional shockproof and dustproof packaging to preserve bearing accuracy during transportation. Our one-stop procurement process allows you to consolidate orders for multiple bearing brands, reducing supplier management costs and ensuring consistent quality across your production facility.
Don’t let bearing-related downtime disrupt your production schedule. Send us your required model numbers (51104/51204), quantity, and application details, and our team will provide a quote within one working day. With P4/P2 grade NSK thrust ball bearings in stock and ready to ship, you can restore your CNC machine to full operation with minimal delay.
Q: Are these genuine NSK bearings?
A: Yes, we are an officially authorized NSK distributor, ensuring 100% authentic products with complete traceability documentation and brand authorization certificates.
Q: How do I confirm if the 51104/51204 bearings fit my CNC machine?
A: Our application engineering team can verify compatibility with your machine model or spindle specifications. Provide the make/model of your CNC equipment or technical drawings for a free matching service.
Q: What is the warranty policy for these bearings?
A: All NSK bearings come with the manufacturer’s standard warranty covering manufacturing defects. We provide full after-sales support for warranty claims and technical issues.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, making us ideal for emergency maintenance situations or small-batch requirements.
Q: How quickly can you ship the bearings?
A: In-stock items are dispatched the same business day for orders received before 14:00 GMT. Delivery times range from 3-7 business days depending on destination.
Q: How can I verify the authenticity of the bearings upon receipt?
A: Each bearing comes with NSK’s original packaging and serial number, which can be verified through NSK’s official channels. We also provide certification documents and quality inspection reports upon request.
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