Ensure smooth, high-load rotation in your industrial machinery with our High Load Thrust Ball Bearing 51103/51208, crafted to deliver reliable performance even under heavy axial pressure. Available in P0-P4 precision grades and compatible with both grease and oil lubrication, this bearing minimizes downtime by maintaining stable operation in demanding conditions.
| Parameter | Details |
|---|---|
| Model NO. | 51103, 51208 |
| 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 | 17*30*9 mm |
| Trademark | NSK |
| Origin | Japan |
| HS Code | 8482102000 |
| Production Capacity | 1000000 |
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | Machine Tools, Presses, Gearboxes |
| Automotive | Transmission Systems, Steering Mechanisms |
| Agricultural Machinery | Harvesters, Tractors, Tillers |
| Construction | Excavators, Cranes, Conveyors |
| Manufacturing | Printing Machines, Injection Molding Equipment |
Equipment failure due to substandard bearings costs manufacturers thousands in lost production each year. Many buyers struggle with long lead times for precision thrust bearings or worry about receiving counterfeit products that fail prematurely. Sourcing reliable high load bearings that meet exact specifications can feel like navigating a minefield—until now.
Our High Load Thrust Ball Bearing 51103 and 51208 series solves these challenges with genuine NSK quality and ready inventory. As an integrated manufacturer and exporter with ISO9001 certification, we ensure each bearing meets P0-P4 precision standards and Z1V1-Z3V3 noise grades. Whether you need a single unit for emergency repairs or bulk orders for production lines, our 1pc MOQ and 3-5 day sample lead time keep your operations running without unnecessary delays.
Designed as single-row, separated thrust bearings, the 51103 and 51208 models excel in applications with axial load requirements. Their non-aligning design ensures stability in machinery where shaft misalignment is minimal, while the bearing steel construction delivers durability under high-stress conditions. Common uses include machine tool spindles, automotive transmissions, and agricultural equipment where reliable rotation under heavy loads is critical.
The technical specifications of these thrust ball bearings directly impact operational efficiency. The precision rating (P0-P4) determines dimensional accuracy—P4 grade bearings reduce vibration and noise in high-speed applications like CNC machines. Vibration levels (Z1V1-Z3V3) ensure smooth operation, with Z3V3 suitable for low-noise environments such as printing presses. The separated design allows for easy installation and maintenance, while grease or oil lubrication options accommodate different temperature and speed requirements. At 17*30*9 mm, the 51103 model balances compact size with load capacity, making it ideal for space-constrained equipment.
Counterfeit thrust ball bearings often cut corners on material quality and precision, leading to early failure. A single bearing failure in a critical machine can halt production for days, costing far more than the price of a genuine part. Our NSK-branded bearings come with full traceability and ISO9001 certification, ensuring they meet global standards for load capacity and service life. By investing in authentic high load thrust bearings, you reduce the risk of unplanned downtime and extend the lifespan of your equipment.
With over 18 years in the industry, Jinan Saifan Bearing has built a reputation for reliability across Europe, America, Southeast Asia, and the Middle East. Our in-house R&D and QC lab ensure every bearing undergoes rigorous testing before shipment. We offer a 12-month global warranty, free technical guidance, and defect replacement to protect your investment. Our production capacity of 1,000,000 units annually guarantees stable supply, even for large-scale projects. When you work with us, you gain a partner committed to your long-term success.
Don’t let equipment downtime affect your productivity. Whether you need the 51103 or 51208 model, our in-stock inventory means you can get the bearings you need quickly. Send us your requirements, and our technical team will help confirm the right specifications for your application. The sooner you order, the sooner you can restore optimal performance to your machinery.
Q: Are these genuine NSK thrust ball bearings?
A: Yes, we supply authentic NSK bearings with full traceability to ensure genuine quality and performance.
Q: How do I confirm if the 51103 or 51208 model fits my equipment?
A: Provide your equipment model or specific dimensions (bore diameter, outside diameter, width), and our technical team will verify compatibility for you.
Q: What is the warranty period for these bearings?
A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available for non-conforming products.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, making it easy to order single units for emergency repairs or small-scale needs.
Q: How long does shipping take?
A: Samples ship within 3-5 days, and bulk orders within 5-15 days. Shipping time depends on your location and chosen logistics method.
Q: How can I verify the authenticity of the bearings?
A: Authentic NSK bearings feature laser-etched markings, proper packaging, and serial numbers that
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
Professional technical guidance and failure solutions from our R&D team.
Master Sweden import duty thrust ball bearing costs by understanding that zero percent EU tariffs still incur twenty-five percent VAT. Avoid costly customs delays at Gothenburg port through accurate HS code 8482.50 classification and complete origin documentation to protect your distribution margins.
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