Product Specifications
| Parameter |
Details |
| Model NO. |
51205 51305 |
| 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 |
| Origin |
China |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Water Treatment |
Vertical Water Pumps, Submersible Pumps, Centrifugal Pumps |
| Manufacturing |
Hydraulic Presses, Injection Molding Machines, Lathe Spindles |
| Energy |
Small Hydroelectric Generators, Wind Turbine Auxiliary Systems |
| Machinery |
Reducer Gearboxes, Conveyor Systems, Material Handling Equipment |
Prevent Pump Downtime with High-Precision Thrust Ball Bearing 51205 51305 for Vertical Water Pumps
Vertical water pump operators know the cost of unexpected bearing failure—hours of production loss, costly repairs, and disrupted water supply. Many struggle with generic thrust bearings that fail prematurely under axial loads, or face long lead times for specialized replacements. When your pump is critical to operations, waiting weeks for a bearing isn’t an option.
High-Precision Thrust Ball Bearings in Stock for Immediate Shipment
Our High-Precision Thrust Ball Bearing 51205 and 51305 are engineered to solve these challenges. As an integrated manufacturer with ISO9001 certification, we produce bearings with P0-P4 precision and Z2-Z4 noise grades, ensuring reliable performance in vertical water pump applications. With stock available for immediate dispatch, we eliminate long lead times—sample orders ship in 3–5 days, and bulk deliveries in 5–15 days.
Optimal Performance in Vertical Water Pump Environments
Vertical water pumps demand bearings that handle pure axial loads while maintaining precision at varying speeds. The 51205 and 51305 Thrust Ball Bearings feature a separated design for easy installation and maintenance, with a 0° contact angle optimized for vertical load handling. Made from high-grade bearing steel, these bearings resist wear even in the moist conditions typical of pump systems, ensuring consistent operation under continuous duty cycles.
Technical Features That Maximize Pump Reliability
Precision rating directly impacts pump efficiency—our P4-class bearings minimize radial runout, reducing vibration and extending pump life. Vibration grades Z2V2 and Z3V3 ensure quiet operation, critical for noise-sensitive environments. The separated construction allows for quick disassembly during maintenance, reducing downtime during inspections. With lubrication options for both grease and oil, these bearings adapt to different pump operating conditions, from high-temperature industrial applications to standard municipal water systems.
Why Cutting Corners on Bearings Costs More in the Long Run
Low-quality thrust bearings may save money upfront, but they often fail within months, leading to pump seizures, damaged shafts, and emergency repair costs. Our ISO9001-certified Thrust Ball Bearing 51205 and 51305 are built to last, backed by a 12-month global warranty. We replace or refund defective products, ensuring your investment is protected. For vertical water pump operators, the true cost of a bearing isn’t just the purchase price—it’s the reliability that prevents unplanned downtime.
Your Trusted Partner for Bearing Solutions
With 18 years of experience serving global buyers, Jinan Saifan Bearing combines manufacturing expertise with responsive service. Our R&D and QC labs ensure each bearing meets precision standards, while OEM/ODM capabilities allow customization for unique pump requirements. We support orders as small as 1 piece for emergency repairs and offer free technical guidance to help you select the right bearing. Our customers across Europe, America, and Southeast Asia trust us for stable supply and competitive pricing, making us their long-term bearing partner.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- 3–5 days lead time for sample orders, 5–15 days for bulk shipments
- Flexible shipping options: DHL, FedEx, UPS, air freight, or sea freight
- Real-time tracking provided for all orders
- 1pc MOQ available for emergency replacement needs
Get Your Vertical Water Pump Back to Full Capacity
Don’t let bearing issues keep your vertical water pump offline. Our High-Precision Thrust Ball Bearing 51205 and 51305 are in stock and ready to ship. The sooner you replace worn bearings, the sooner you restore reliable operation and avoid costly downtime.
Frequently Asked Questions
Q: Are these bearings genuine and certified?
A: Yes, all our bearings are manufactured in-house under ISO9001:2008 certification, with full traceability from raw materials to finished product.
Q: How do I confirm if 51205/51305 is the right bearing for my pump?
A: Provide your pump model, operating speed, and axial load requirements. Our technical team will verify compatibility and recommend the optimal precision and vibration grade.
Q: What is your warranty policy?
A: We offer a 12-month global warranty. Defective bearings due to manufacturing issues will be replaced or refunded at no cost.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, supporting both emergency repairs and small-batch purchases.
Q: How quickly can I receive my order?
A: In-stock bearings ship within 3–5 days for samples and 5–15 days for bulk orders, with express shipping options available.
Q: Can you provide custom bearing solutions?
A: Yes, we offer full OEM/ODM customization for dimensions, precision grades, and lubrication to meet specific pump requirements.
Ready to order or need a quote?
Send your bearing model (51205/51305), pump details, and quantity to sales02@saifan-group.com — we'll respond within 24 hours.
