Product Specifications
| Parameter |
Details |
| Model NO. |
51204 |
| Specification |
20*40*14mm |
| Trademark |
NSK |
| Origin |
Japan |
| Applicable Industries |
Car, Fan, Gearbox |
| Customization |
Customizable |
| Sample Availability |
Available |
| Service |
OEM, ODM |
| Lubrication |
Grease or Oil |
| Transport Package |
Carton Pallet |
| HS Code |
8482102000 |
| Production Capacity |
500000 units |
Application Industries
| Industry |
Typical Equipment |
| Automotive |
Gearboxes, Transmission Systems |
| Industrial Manufacturing |
Electric Motors, Fans, Pumps |
| Machinery |
Reducer Units, Conveyor Systems |
Stop Gearbox Failures with High Speed NSK Thrust Ball Bearings 51204-51207
Nothing derails production faster than unexpected gearbox downtime. Counterfeit thrust bearings often fail within months, causing costly repairs and missed deadlines. Sourcing genuine NSK bearings from unreliable suppliers can mean long lead times and minimum order quantities that don’t fit your maintenance schedule. As a bearing specialist with over 18 years in the industry, we understand these frustrations firsthand.
Genuine NSK Thrust Ball Bearings for Immediate Shipment
Our High Speed NSK Thrust Ball Bearings, including models 51204, 51205, 51206, and 51207, are designed to solve these challenges. As an authorized supplier, we guarantee 100% genuine NSK products with full traceability. With a flexible order policy (1 piece MOQ for standard bearings) and sample availability, we support both emergency repairs and planned maintenance. These bearings excel in gearbox applications where high axial loads and rotational speeds demand reliable performance.
Engineered for High-Speed Gearbox Performance
NSK Thrust Ball Bearings are specifically engineered to handle the demanding conditions of gearbox operation. They support pure axial loads at high rotational speeds, making them ideal for automotive transmissions, industrial gearboxes, and power transmission systems. The 51204 model, with dimensions 20*40*14mm, delivers consistent performance under varying temperatures and load conditions, ensuring smooth power transfer and extended equipment life.
Technical Features That Ensure Reliability
The performance of these thrust ball bearings is defined by critical technical attributes. Their precision manufacturing ensures proper alignment under load, reducing vibration and noise in gearbox applications. The choice between grease or oil lubrication allows adaptation to specific operating environments, with grease being ideal for most industrial settings and oil preferred for high-speed continuous operation. NSK’s proprietary heat treatment process enhances material durability, directly contributing to the long service life these bearings are known for.
Why Genuine NSK Bearings Reduce Total Cost of Ownership
Choosing genuine NSK Thrust Ball Bearings over counterfeit alternatives delivers measurable cost savings over time. Counterfeit bearings typically fail prematurely—often within 3-6 months—leading to repeated replacement cycles, unplanned downtime, and potential damage to adjacent gearbox components. Genuine NSK bearings, manufactured to ISO, ABMA, and DIN standards, offer predictable performance with service lives 3-5 times longer. Our customers report a 40% reduction in maintenance costs after switching to authentic NSK products.
Our Commitment to Quality and Service
With ISO 9001:2015 and ISO 14001 certifications, we maintain rigorous quality control from incoming raw material inspection to final product testing. Our technical team, with over a decade of experience, provides free guidance on bearing selection, installation, and maintenance. We’ve served over 5,000 customers across Europe, North America, Southeast Asia, and the Middle East since 2005. All bearings come with a 12-month warranty, with free replacements available for qualified defective products. Our in-house laboratory conducts dimensional, noise, vibration, and service life tests to ensure every bearing meets NSK’s exacting standards.
Packaging & Shipping
- Original NSK packaging with protective carton and pallet reinforcement
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking provided for all shipments
- 1 piece minimum order quantity for standard bearings
Get Your Gearbox Back to Full Speed
Don’t let bearing issues slow down your operations. Whether you need a single 51204 bearing for emergency repair or bulk quantities for production, we have you covered. Send us your bearing型号, application details, and quantity requirements today—our team will respond with a quote within 24 hours, helping you minimize downtime and maximize productivity.
Frequently Asked Questions
Q: Are these genuine NSK bearings?
A: Yes, we are an authorized supplier of genuine NSK bearings. Every product comes with full traceability documentation to confirm authenticity.
Q: How do I confirm the 51204 bearing fits my gearbox?
A: Provide your gearbox model or technical specifications, and our engineering team will verify compatibility at no cost.
Q: What is the warranty period for these bearings?
A: All NSK bearings come with a 12-month warranty from the date of delivery, covering manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece of standard bearings, supporting emergency repair needs.
Q: How quickly can you ship the 51205 bearing?
A: Sample orders ship within 3-5 working days; bulk orders take 5-15 working days depending on quantity.
Q: How can I verify the bearing’s authenticity?
A: Genuine NSK bearings feature laser-etched markings, holographic packaging labels, and serial numbers verifiable through NSK’s official channels. We provide all necessary documentation.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
