Product Specifications
| Parameter |
Details |
| Model NO. |
51330, 51332, 51334, 51336, 51340 |
| 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 |
150*250*80 mm |
| Origin |
China |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Construction |
Overhead Cranes, Gantry Cranes, Tower Cranes |
| Machinery Manufacturing |
Press Machines, Injection Molding Equipment, Heavy Duty Gearboxes |
| Material Handling |
Hoists, Winches, Conveyor Systems |
| Marine |
Shipyard Cranes, Deck Machinery |
| Steel Production |
Continuous Casting Machines, Rolling Mill Equipment |
Prevent Costly Downtime with Reliable Crane Hook Thrust Ball Bearings 51330-51334
Crane operators know the frustration of unexpected hook bearing failures—delaying projects, endangering safety, and creating expensive repair bills. Many settle for generic bearings that wear prematurely under heavy loads, or face long lead times when ordering precision replacements. With P0-P4 precision requirements and critical load capacities, choosing the wrong thrust ball bearing for crane hooks isn’t just a parts issue—it’s a productivity risk.
Crane Hook Thrust Ball Bearings In Stock for Immediate Shipment
Jinan Saifan Bearing addresses these challenges directly with our Crane Hook Thrust Ball Bearing series (51330, 51332, 51334, 51336, 51340). As an integrated manufacturer with ISO9001 certification, we maintain stock of these precision thrust bearings to ensure 3–5 day sample lead times and 5–15 day bulk delivery. Each bearing is engineered for vertical load applications like crane hooks, where separated raceways and single-row design provide efficient force distribution without compromising alignment under heavy loads.
Engineered for Heavy-Duty Crane Hook Applications
These thrust ball bearings excel in high-load, low-speed scenarios typical of crane hook operations. With a load direction optimized for axial forces, they support the vertical weight of lifted materials while maintaining stability during rotation. The separated design allows for easy installation and maintenance—critical in construction and industrial settings where equipment uptime directly impacts project timelines. Whether used in overhead cranes, gantry systems, or shipyard hoists, these bearings deliver consistent performance under the stress of repetitive lifting cycles.
Precision and Vibration Control: Key Technical Advantages
The technical specifications of our thrust ball bearings directly influence operational reliability. Precision ratings from P0 (standard) to P4 (high precision) ensure minimal runout, reducing vibration and extending equipment life. Vibration grades Z1V1 to Z3V3 further enhance stability, critical for crane hooks where excessive movement could compromise load safety. Constructed from high-grade bearing steel, these components resist wear even under continuous heavy loads, while grease or oil lubrication options allow customization to specific operating conditions. The 150*250*80 mm specification balances load capacity with compact design, fitting standard crane hook assemblies without modification.
Why Authentic Bearings Reduce Total Cost of Ownership
Opting for genuine precision thrust bearings eliminates the hidden costs of counterfeit or substandard products. Fake bearings often fail prematurely, leading to unplanned downtime, emergency repairs, and potential safety hazards. Our ISO9001-certified manufacturing process ensures each bearing meets strict quality control standards, from raw material testing to final inspection. With a 12-month global warranty, we stand behind our products—offering defect replacement or refund to minimize your financial risk. Over time, the reliability of authentic bearings lowers maintenance frequency and extends equipment lifespan, delivering a lower total cost of ownership than cheaper alternatives.
Saifan: Your Trusted Bearing Partner Since 2005
With 18 years in the industry, Jinan Saifan Bearing has built a reputation for stable supply and technical expertise. Our full R&D and QC lab ensures continuous product improvement, while OEM/ODM capabilities allow customization for unique crane designs. We serve global buyers across Europe, America, and Southeast Asia, offering flexible orders with 1pc MOQ for standard items—perfect for emergency repairs or small-batch requirements. Our technical team provides free guidance on bearing selection and maintenance, helping you optimize performance and avoid costly mistakes. When you choose Saifan, you gain a long-term partner committed to keeping your equipment running.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- 3–5 day sample lead time for urgent evaluation needs
- 5–15 day bulk delivery via T/T, credit card, or Alibaba trade payment
- Global shipping options including air and sea freight
- 1pc MOQ available for standard items, supporting emergency repairs
Get Your Crane Hook Bearings Today
Don’t let bearing issues delay your projects. Send us your required model (51330, 51332, 51334, 51336, or 51340), quantity, and application details for a prompt quote. With stock available now, we can ship your order within days—minimizing downtime and keeping your cranes operational.
Frequently Asked Questions
Q: Are these thrust ball bearings authentic and traceable?
A: Yes, all our bearings are manufactured in-house under ISO9001 standards, with full traceability from raw materials to finished products.
Q: How do I confirm the correct bearing size for my crane hook?
A: Provide your crane model or existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility.
Q: What is the warranty period for these crane hook bearings?
A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, ideal for emergency repairs or small-scale needs.
Q: How quickly can I receive my order?
A: Samples ship in 3–5 days, while bulk orders deliver within 5–15 days depending on quantity.
