Ball Bearing

High-Precision NSK Thrust Ball Bearing 51318 51120 for Industrial Machinery with P0-P4 Precision

SKU: bc07a3ebf810 In Stock

Ensure smooth, precise rotation in your industrial machinery with the High-Precision NSK Thrust Ball Bearing 51318 51120, engineered to deliver reliable performance even under heavy axial loads. Crafted with premium bearing steel and available in P0-P4 precision grades, this separated-type thrust bearing minimizes vibration (Z1V1-Z3V3) for extended equipment lifespan, addressing the need for consistent operation in demanding industrial environments.

  • 90x155x50mm specification with single-row design ideal for machine tools, reducers, and printing equipment
  • Compatible with both grease and oil lubrication, offering flexibility for diverse operating conditions
  • In-stock availability ensures quick 3-5 day sample delivery, supporting your production timelines
  • Backed by ISO 9001:2015 quality standards and Saifan’s 12-month warranty for peace of mind
Wholesale Price (FOB)
¥0.85
MOQ: 1 Piece • Bulk discounts available on inquiry
12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Product Specifications

Parameter Details
Model NO. 51318 51120
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 90*155*50 mm
Trademark NSK
Origin Japan
HS Code 8482102000
Production Capacity 1000000

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Printing Presses, Reducers
Automotive Transmission Systems, Axle Assemblies
Heavy Machinery Excavators, Construction Equipment
Manufacturing CNC Machines, Conveyor Systems
Energy Wind Turbines, Generators

Prevent Costly Downtime with Genuine NSK Thrust Ball Bearing 51318 51120

Industrial machinery operators know the frustration of unexpected shutdowns caused by bearing failures. Counterfeit thrust bearings often fail prematurely under heavy axial loads, leading to production halts and expensive repairs. Sourcing authentic high-precision bearings with flexible order options can be challenging, especially when urgent replacements are needed.

Genuine NSK Thrust Ball Bearings, In Stock for Immediate Delivery

Our High-Precision NSK Thrust Ball Bearing 51318 51120 addresses these challenges directly. As an authorized NSK supplier, we guarantee 100% authentic bearings with full traceability. With stock availability and a 1pc MOQ, we support both emergency repairs and planned maintenance. These bearings deliver reliable performance in industrial machinery applications such as machine tool spindles and reducer assemblies, where precision and load capacity are critical.

Engineered for Heavy Axial Loads in Demanding Conditions

NSK Thrust Ball Bearing 51318 51120 is designed to handle high axial loads in industrial machinery. Its separated structure allows for easy installation and maintenance, while the single-row design ensures efficient load distribution. The 90x155x50mm specification makes it suitable for applications requiring precise axial positioning, such as in printing presses and CNC machines where consistent performance under varying loads is essential.

Precision and Vibration Control: Key to Machinery Performance

The performance of this thrust ball bearing is defined by critical technical parameters. Precision ratings from P0 to P4 ensure minimal runout, reducing vibration and noise in high-speed applications. Vibration grades Z1V1 to Z3V3 further enhance operational smoothness, crucial for maintaining product quality in precision manufacturing. The bearing steel construction provides durability, while the option of grease or oil lubrication allows adaptation to specific operating conditions, ensuring optimal performance and extended service life.

Authenticity Matters: The Hidden Costs of Counterfeit Bearings

Choosing genuine NSK Thrust Ball Bearings eliminates the risks associated with counterfeit products. Fake bearings often lack proper heat treatment, leading to premature wear and potential machinery damage. The ISO9001:2008 certification of our supply chain ensures consistent quality, reducing the total cost of ownership by minimizing downtime and replacement frequency. In industrial settings, the reliability of a single bearing can impact entire production lines, making authentic components a sound investment.

Why Global Buyers Choose Our NSK Bearings

With over 18 years in the bearing industry, we serve clients across Europe, America, Southeast Asia, and the Middle East. Our commitment to quality includes a full QC lab and strict incoming inspection protocols. We offer a 12-month global warranty, with free technical guidance and defect replacement available. Our flexible order system supports 3–5 day sample lead times and 5–15 day bulk delivery, ensuring you get the bearings you need when you need them. As an integrated manufacturer and exporter, we combine competitive pricing with stable supply, making us a reliable long-term partner for industrial machinery suppliers.

Packaging & Shipping

  • Original NSK packaging with protective carton and pallet for secure transport
  • 3–5 day sample lead time, 5–15 day bulk delivery for in-stock items
  • Multiple shipping options including DHL, FedEx, UPS, air, and sea freight
  • Real-time tracking information provided for all shipments
  • 1pc minimum order quantity, ideal for emergency repairs and small-batch requirements

Secure Your Machinery’s Performance Today

Don’t let bearing issues disrupt your production schedule. The longer you wait for a replacement, the more revenue you lose to downtime. Our in-stock NSK Thrust Ball Bearing 51318 51120 is ready to ship, with the precision and reliability your industrial machinery demands. Contact us now to get your bearings quickly and keep your operations running smoothly.

Frequently Asked Questions

Q: Are these genuine NSK bearings?

A: Yes, we are an authorized NSK supplier. Every bearing is sourced directly from NSK Japan and comes with full traceability documentation to ensure authenticity.

Q: How do I confirm if this bearing fits my equipment?

A: Provide your equipment model or specific application requirements, and our technical team will verify compatibility based on load, speed, and dimensional parameters.

Q: What is the warranty policy for these bearings?

A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions, we provide free replacement or refund.

Q: What is the minimum order quantity?

A: The minimum order quantity is 1 piece, allowing for emergency repairs and small-scale maintenance needs.

Q: How quickly can I receive my order?

A: In-stock bearings ship within 3–5 business days. We offer multiple shipping options to meet your timeline, including expedited services for urgent requirements.

Q: How can I verify the authenticity of the bearings?

A: Genuine NSK bearings feature laser-etched markings, holographic packaging labels, and serial numbers that can be verified through NSK’s official channels. We provide all necessary documentation for authentication.

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Sample Policy

Free samples available for distributors. 3–5 days production lead time.

Bulk Delivery

5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.

Certifications

ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.

After-Sales

12-month warranty plus dedicated technical failure analysis support.

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