Product Overview
Our Cemented Tungsten Carbide Thrust Bearings & Grooved Washers are precision-engineered high-performance components designed to handle extreme axial (thrust) loads in electric submersible pumps (ESPs), downhole motors, mud motors, turbines, and high-pressure pumps. This matched bearing system provides the critical load-bearing interface that supports the shaft, prevents axial movement, and ensures smooth rotation under the most demanding downhole conditions.
In electric submersible pumps and downhole drilling motors, the shaft experiences enormous axial forces during operation-1. The thrust bearing absorbs and distributes these high-contact loads across its surface, preventing unequal stress concentrations that could lead to overload failures-1. The grooved washer works in conjunction with the bearing to seal and support the axial load, with its precision grooves channeling lubricant to reduce friction between rotating surfaces.
Manufactured from premium cemented tungsten carbide (WC-Co or WC-Ni) , this bearing system delivers exceptional wear resistance, high load capacity, and long-lasting performance in abrasive, corrosive, and high-temperature environments.
Key Features
1)Matched thrust bearing + grooved washer system -Provides complete axial load management with optimized lubrication distribution
2)Precision-engineered grooves on washer -Channels lubricant to friction zone, reducing heat and wear; prevents dry running
3)Premium cemented tungsten carbide construction -Ultra-high hardness (HRA 8892) for exceptional wear and abrasion resistance
4)High axial load capacity - Withstands extreme thrust loads in deep-well ESPs and downhole motors
5)Superior corrosion resistance -Performs reliably in acidic, alkaline, saline, and hydrocarbon-rich environments
6)Excellent thermal stability -Maintains mechanical integrity at elevated temperatures (up to 500C)
7)Precision ground surfaces - Low friction and extended service life in high-speed rotating systems
8)Available in unidirectional & bidirectional configurations - Flexible design to match specific ESP and pump requirements
Technical Specifications
| Parameter | Specification |
| Product Type | Cemented Tungsten Carbide Thrust Bearing & Grooved Washer Set |
| Material | Cemented Tungsten Carbide (WC-Co / WC-Ni) |
| Hardness | HRA 8892 (grade dependent) |
| Configuration | Thrust Bearing + Grooved Thrust Washer (matched set) |
| Bearing Configurations | Unidirectional / Bidirectional- |
| Outer Diameter Range | Up to 200 mm (8") |
| Surface Finish | Precision ground / Lapped |
| Max Operating Temperature | Up to 500C (932F) |
| Max Oil Bath Temperature | 300C (572F) |
| Rated Bearing Unit Load | Up to 8 MPa (1,160 psi) |
| Fluid Compatibility | Oil, Gas, Water, Slurry, Chemicals |
| HS Code | 84829900 |
Cemented Tungsten Carbide Grade Options
We offer our Thrust Bearings & Grooved Washers in a range of premium cemented tungsten carbide grades to suit specific service conditions:
| Grade | ISO Grade | Density (g/cm) | Hardness (HRA) | TRS (KSI) | Recommended Application |
| YG6 | K20 | 14.815.0 | 90 | 335 | General ESP and pump applications; balanced wear resistance |
| YG8 | K30 | 14.614.8 | 89 | 350 | Higher toughness; mud motors and high-load pumps |
| YG13 | K40 | 13.114.3 | 88.0 | 430 | High impact and heavy-load applications |
| YG15 | K40 | 13.914.2 | 87.0 | 450 | Extreme impact and shock-loading conditions |
| YN6 | K20 | 14.714.9 | 89.0 | 335 | Enhanced corrosion resistance; sour service (HS/CO) |
| YN8 | K30 | 14.514.7 | 88.0 | 350 | High corrosion resistance; extreme HS/CO environments |
How the Thrust Bearing & Grooved Washer System Works
Axial Load Support
The thrust bearing is designed to absorb and distribute the substantial axial forces generated during ESP and pump operation-1. Its circular design and precision-ground surfaces uniformly distribute high-contact loads across adjoining surfaces, preventing overload failures.
Lubrication & Heat Dissipation
The grooved washer features precision-engineered grooves that serve multiple critical functions:
Lubricant distribution: Channels oil or process fluid evenly across the bearing surface, creating a lubricating film
Heat removal: The increased lubricant flow through the grooved surface removes heat by convection, maintaining lower bearing temperatures
Wear particle removal: Flushes away contaminants and wear debris
Extended life: Grooved washers have been shown to fail at significantly higher loads than non-grooved designs
Stable Rotation Axis
The rigid yet low-friction design immobilizes axial shaft movement, stabilizing the rotation axis and controlling imbalance or vibration during long duty cycles
Applications
Our cemented tungsten carbide thrust bearings and grooved washers are designed for use in the following oil and gas applications:
Electric Submersible Pumps (ESP) - Primary axial load support in deep-well ESP systems; operates in small-diameter boreholes at great depths and high ambient temperatures
Downhole Mud Motors - Thrust bearing support for high-load rotating assemblies in directional drilling
Turbines & Turbo Drills - High-speed, high-temperature bearing applications
Slurry Pumps & High-Pressure Compressors - Wear-resistant bearings for abrasive and high-pressure environments
Subsea Pumping Systems - Reliable performance in challenging offshore environments
Oil Refineries & Petrochemical Plants Pumps, compressors, mixers, and agitators
Geothermal Drilling - High-temperature bearing applications
SAGD (Steam-Assisted Gravity Drainage) Systems - High-temperature ESP applications
Why Choose Our Cemented Tungsten Carbide Thrust Bearings & Grooved Washers?
Matched System for Optimal Performance
Our thrust bearings and grooved washers are designed as a matched set, ensuring proper fit, alignment, and lubrication distribution for maximum service life.
Superior Materials for Extreme Conditions
Manufactured from premium cemented tungsten carbide (WC-Co or WC-Ni) with hardness up to HRA92, our bearings deliver exceptional resistance to abrasion, erosion, and corrosion significantly outlasting conventional bearing materials in abrasive downhole environments.
Proven in ESP Applications
Tungsten carbide thrust bearings are the industry standard for electric submersible pumps, trusted by major oilfield service providers to handle increasingly high temperatures and extreme axial loads.
Precision Engineering for OEM Fit
Each bearing and washer is precision-ground to tight tolerances with lapped surfaces, ensuring exact interchangeability and consistent performance in high-speed rotating systems.
Grooved Design for Extended Life
The precision-engineered grooves on the washer optimize lubrication distribution, reduce friction, and extend service life proven to perform at significantly higher loads than non-grooved designs.
Custom Manufacturing Available
We supply custom thrust bearings and grooved washers tailored to your specific drawings, dimensions, and material grade requirements.
ISO 9001:2015 Certified
Our factory operates under a certified quality management system. Full material traceability (3.1/3.2 certificates) available upon request.
Quality Assurance
1)ISO 9001:2015 Certified - Certified quality management system
2)Material Certificate - 3.1/3.2 certificates, full traceability
3)Dimensional Inspection- Precision measurement of OD, ID, thickness, and groove geometry
4)Hardness Testing -Verification per grade specification (HRA 8892)
5)Surface Finish Inspection -Quality control of ground/lapped surfaces
6)Flatness & Parallelism Inspection -Verification of bearing and washer flatness for proper load distribution
Ordering Information
Please specify the following for an accurate quotation:
Product Type: Thrust Bearing & Grooved Washer Set
Material Grade: YG6 / YG8 / YG13 / YG15 / YN6 / YN8
Outer Diameter (OD): Specify (provide drawings or specifications)
Inner Diameter (ID): Specify (provide drawings or specifications)
Thickness: Specify (provide drawings or specifications)
Groove Configuration: Number of grooves, depth, and pattern (provide drawings)
Configuration: Unidirectional / Bidirectional
Quantity & Destination Port
Need help selecting the right grade or configuration? Contact our team for recommendations based on your specific pump type, operating conditions, and load requirements.
Packaging & Shipping
Packaging: Standard export carton / wooden case (customized packaging available upon request)
Shipping: Worldwide delivery by express courier (DHL/FedEx/UPS), by air or by sea.
Incoterms: EXW, FOB, CIF flexible terms available

Price:
Price 30.0 USD ($) / Unit
Minimum Order Quantity : 10 Units
Coating : uncoated
Color : Silver
Material : Hard Alloy, Tungsten Carbide
Features : High wear resistance, high corrosion resistance, long lifespan
Price 30.00 USD ($) / Unit
Minimum Order Quantity : 10 Units
Coating : uncoated
Color : silver
Material : Tungsten Carbide
Features : High abrasion resistance; high impact resistance; superior corrosion resistance; preventing spininduced equipment damage under extreme torque; preventing dry running and premature failure.
Price 25.00 USD ($) / Unit
Minimum Order Quantity : 10 Units
Coating : uncoated
Color : shining
Material : Tungsten Carbide
Features : Superior abrasion resistance excellent erosion resistance high strength and impact resistance precision dimensional control
Price 50.0 USD ($) / Unit
Minimum Order Quantity : 2 Units
Coating : Uncoated
Color : Shining
Material : Tungsten Carbide
Features : High wear resistance and impact resistance