Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 51220 51320 |
| 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 | 100*150*38 mm |
| Origin | China |
| HS Code | 8482102000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Automotive | Transmission systems, Steering mechanisms |
| General Machinery | Press machines, Injection molding equipment |
| Motors | Electric motor end caps, Generator assemblies |
| Industrial Machinery | Conveyor systems, Material handling equipment |
Stop Production Delays with Reliable High-Precision Thrust Ball Bearings 51220 51320
OEM manufacturers know the frustration of unexpected downtime caused by bearing failures. Counterfeit thrust bearings often fail prematurely under heavy axial loads, leading to production line shutdowns and costly repairs. Sourcing from multi-tier distributors compounds the problem with inconsistent delivery times that disrupt manufacturing schedules. When every minute of downtime impacts your bottom line, reliable bearing supply isn’t just a convenience—it’s critical.
Genuine High-Precision Thrust Ball Bearings in Stock for Immediate Shipment
As an official NTN distributor, we provide 100% traceable High-Precision Thrust Ball Bearings 51220 and 51320 that meet ISO9001 standards. Our WMS real-time inventory system ensures these bearings are in stock and ready to ship, eliminating the delays of traditional supply chains. Designed for machinery OEM applications, these single-row thrust bearings deliver stable performance in automotive transmissions, motor assemblies, and general industrial equipment where axial load handling is essential.
Optimal Performance in High-Axial-Load Applications
The 51220 and 51320 Thrust Ball Bearings excel in applications requiring precise axial load management. With a contact angle of 0° and separated design, they handle pure thrust loads efficiently in both directions. Their 100mm bore diameter and 150mm outer diameter make them ideal for medium-sized machinery, while the 38mm width provides robust support in high-pressure environments. Whether used in press machines or conveyor systems, these bearings maintain alignment and reduce vibration across Z1V1 to Z3V3 vibration classes.
Technical Features That Ensure Long-Term Reliability
Our Precision Thrust Ball Bearings incorporate critical design elements for industrial durability. The bearing steel construction provides high hardness and wear resistance, extending service life in heavy-duty operations. Available precision ratings from P0 to P2 allow customization for applications requiring tight tolerances—P5 and P4 grades suit high-speed machinery where minimal runout is critical. The separated structure simplifies installation and maintenance, while compatibility with both grease and oil lubrication offers flexibility across operating conditions. These technical attributes combine to deliver consistent performance even under fluctuating loads.
Why Authentic ISO9001 Thrust Bearings Reduce Total Costs
Choosing genuine ISO9001 Thrust Bearings eliminates the hidden costs of counterfeit products. Unauthorized bearings often use substandard materials that fail prematurely, leading to emergency repairs, production losses, and potential safety hazards. Our three-level quality inspection system ensures each bearing meets NTN’s strict standards, reducing the risk of unexpected failures. While counterfeit bearings may offer lower upfront prices, the long-term savings from reduced downtime and maintenance make authentic bearings a smarter investment for OEM manufacturers focused on total cost of ownership.
Our Commitment to Reliable Bearing Supply
With over 10 years of experience serving clients in 50+ countries, we’ve built our reputation on four pillars of reliability: official NTN authorization ensures full product traceability with complete documentation; our ISO 9001 compliant quality system includes incoming material inspection and pre-shipment verification; a dedicated technical team provides application support from model selection to failure analysis; and global door-to-door logistics ensures on-time delivery regardless of destination. We maintain dedicated inventory for OEM partners, supporting both small-batch trials and large-scale production runs with equal efficiency.
Packaging & Shipping
- Carton pallet packaging with protective inner boxing to prevent damage during transit
- Package dimensions: 17.00cm * 17.00cm * 5.80cm with gross weight of 2.370kg per unit
- Same-day dispatch for in-stock orders, with delivery within 3-7 business days globally
- Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking provided for all shipments, with dedicated account manager oversight
- Minimum order quantity of 1 unit, supporting both emergency repairs and scheduled production
Get Your Thrust Bearings Shipped Today
Don’t let bearing supply issues disrupt your production schedule. Send us your order details—including model requirements (51220/51320), quantity, and application specifics—and receive a formal quotation with traceability certificates within 24 hours. Our in-stock inventory means you can secure the bearings you need without delay, keeping your machinery running and your production on track.
Frequently Asked Questions
Q: Are these NTN thrust bearings genuine?
A: Yes, we are an official NTN authorized distributor. Every bearing comes with complete traceability documentation and brand authorization certificates to verify authenticity.
Q: How do I confirm if the 51220/51320 is suitable for my equipment?
A: Our technical team can assist with model verification. Provide your equipment specifications or operating conditions (load, speed, temperature), and we’ll confirm compatibility within 24 hours.
Q: What is your warranty policy for these thrust bearings?
A: All bearings come with NTN’s standard manufacturer warranty, covering manufacturing defects. We provide full after-sales support for warranty claims and replacement procedures.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, making us suitable for both emergency maintenance and small-batch production needs.
Q: How quickly can you ship after order confirmation?
A: In-stock bearings are dispatched the same business day. Delivery times range from 3-7 business days depending on your location and chosen shipping method.
Q: How can I verify the authenticity of the bearings upon receipt?
A: Each bearing includes NTN
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