Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 51226 51128 |
| 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 |
| Contact Angle | 0° |
| Transport Package | Carton Pallet |
| Specification | 180*300*95 mm |
| HS Code | 8482102000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Construction & Lifting | Crane Hooks, Hoists, Elevators |
| Water & Wastewater | Vertical Water Pumps, Submersible Pumps, Irrigation Systems |
| Industrial Machinery | Presses, Forging Equipment, Injection Molding Machines |
| Power Generation | Hydroelectric Turbines, Generator Sets, Pumping Stations |
Stop Equipment Downtime with Genuine NTN 51226 51128 Thrust Ball Bearings
Crane hook failures and vertical water pump breakdowns often trace back to substandard thrust bearings—costing factories $5,000–$20,000 per hour in downtime. Gray market suppliers push counterfeit bearings with fake certifications, while multi-layer distributors stretch lead times by 30–50%, leaving maintenance teams scrambling to meet production deadlines.
High-Precision NTN Thrust Ball Bearings: In Stock and Traceable
As an official NTN distributor, we stock High-Precision NTN Thrust Ball Bearings 51226 and 51128 with full traceability—no middlemen, no counterfeits. Our ISO 9001 compliant three-level inspection ensures each bearing meets OEM standards for crane hook vertical load handling and vertical water pump axial force resistance. With WMS real-time inventory, we ship within 24 hours of order confirmation, keeping your critical equipment operational.
Engineered for Heavy Axial Load Applications
These single-row thrust ball bearings excel in applications with pure axial load, such as crane hooks lifting 50+ ton loads and vertical water pumps operating at 1,500–3,000 r/min. The separated design allows easy installation and maintenance, while the 0° contact angle optimizes load distribution under static and dynamic conditions. Constructed from high-grade bearing steel, they withstand harsh industrial environments without compromising precision.
Key Technical Features That Maximize Equipment Life
Our NTN 51226 and 51128 bearings offer precision ratings from P0 to P2, ensuring minimal runout for crane hook positioning accuracy and pump shaft stability. Vibration classes Z1V1 to Z3V3 reduce noise and resonance, critical for residential water pump installations. The 180*300*95 mm dimension balances load capacity with compact design, fitting standard crane and pump assemblies. Choose grease or oil lubrication based on your operating temperature and speed requirements—our technical team can recommend the optimal solution.
Why Genuine NTN Bearings Lower Total Cost of Ownership
Counterfeit thrust bearings may cost 30% less upfront, but they fail prematurely—often within 3–6 months versus 2–3 years for genuine NTN. A single crane hook bearing failure can cause load drops, safety incidents, and production halts costing $100,000+. Our bearings come with complete traceability documentation, avoiding customs clearance delays and quality disputes. With ISO 9001 certification and NTN’s original factory warranty, you reduce long-term risks and maintenance costs.
Our Promise: Authorized Supply Chain and Expert Support
With 10+ years as an NTN authorized distributor, we serve clients across 50+ countries, including automotive OEMs and machinery manufacturers. Our technical team provides free model selection based on your crane hook load capacity or water pump operating parameters. We offer dedicated account managers to track orders from warehouse to delivery, with door-to-door logistics options. Every bearing undergoes pre-shipment inspection, and we handle warranty claims directly with NTN for fast resolution.
Packaging & Shipping
- Original NTN packaging with anti-counterfeit labels and batch traceability documents
- Carton pallet packaging for secure transport, suitable for sea or air freight
- In-stock items shipped within 3–7 business days via DHL, FedEx, or UPS
- Real-time logistics tracking provided for all orders
- Flexible minimum order quantity: 1 unit for emergency repairs, bulk discounts available
Get Your NTN Thrust Ball Bearings Shipped Today
Delayed maintenance on crane hooks or water pumps only increases downtime costs. Send us your bearing model (51226 or 51128), application details, and quantity—we’ll provide a formal quotation with certification documents within 24 hours. Our inventory is ready to ship, so you can restore equipment reliability without unnecessary delays.
Frequently Asked Questions
Q: Are these genuine NTN bearings?
A: Yes, we are an official NTN authorized distributor. Every bearing comes with full traceability documentation and NTN brand authorization certificates.
Q: How do I confirm if the 51226/51128 is suitable for my crane hook?
A: Provide your crane’s maximum load capacity, operating speed, and mounting dimensions. Our technical team will verify compatibility and recommend the optimal precision and vibration class.
Q: What is your warranty policy?
A: We adhere to NTN’s original factory warranty, covering manufacturing defects for 12 months from delivery. Defective products are replaced with new bearings at no cost.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit to support emergency repairs, with volume discounts available for bulk purchases.
Q: How long does shipping take to Southeast Asia?
A: In-stock bearings ship within 3–7 business days via DHL, with typical transit times of 3–5 days to major Southeast Asian ports.
Q: How can I verify the bearing’s authenticity?
A: Check the NTN laser-etched logo on the inner ring, scan the anti-counterfeit label on the packaging, and request our traceability report linking the batch number to NTN’s factory records.
Ready to order or need a quote?
Send your bearing designation, application
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