Product Specifications
| Parameter |
Details |
| Model NO. |
Double Row Cylindrical Roller Bearing |
| Outer Dimension |
Medium and Large(120-190mm) |
| Material |
Bearing Steel |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Axial Bearing |
| Separated |
Separated |
| Clearance |
C0 C2 C3 C4 C5 |
| Cage |
Brass, Steel |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Hardness |
60-64 HRC |
| Transport Package |
Carton Pallet |
| HS Code |
8482800000 |
Application Industries
| Industry |
Typical Equipment |
| Construction Machinery |
Excavators, Loaders, Bulldozers, Cranes |
Minimize Downtime with RNU Series Double Row Cylindrical Roller Bearings for Construction Machinery
Construction machinery operators know the cost of unexpected downtime—each hour of halted work eats into project deadlines and profits. Sourcing reliable bearings often means juggling multiple suppliers, facing inconsistent quality standards, and waiting weeks for critical parts. When bearings fail prematurely in heavy-duty equipment like excavators or loaders, the ripple effect disrupts entire operations.
RNU2212, RNU2304, RNU310 Bearings: Engineered for Construction’s Toughest Conditions
Our Double Row Cylindrical Roller Bearings address these challenges directly. As an official authorized distributor of SKF & Timken, we maintain large centralized inventory of RNU series bearings, ensuring that critical components like RNU2212, RNU2304, and RNU310 are available for immediate shipment. Each bearing undergoes strict ISO 9001 quality inspection, guaranteeing performance in the high-shock, heavy-load environments of construction machinery.
Designed for Axial Loads in Heavy Machinery
These Non-Aligning Cylindrical Bearings excel in applications where axial loads dominate, such as the pivot points of excavator arms and loader buckets. Their separated design allows for easy installation and maintenance—essential in field conditions where time is limited. With outer dimensions ranging from 120-190mm, they fit medium to large construction equipment, providing the structural support needed for continuous operation under extreme stress.
Technical Features That Maximize Equipment Uptime
The performance of these bearings stems from precise engineering. Crafted from high-grade bearing steel with a hardness of 60-64 HRC, they resist wear even in dusty, debris-filled construction sites. The brass or steel cages ensure stable roller guidance, while clearance options (C0 to C5) accommodate thermal expansion and installation requirements. Vibration grades Z1V1 to Z3V3 minimize operational noise and extend bearing life by reducing internal friction. These features combine to deliver consistent performance in the demanding cycles of construction machinery.
Avoid Hidden Costs: The Value of Authentic Bearings
Opting for counterfeit bearings may seem cost-effective initially, but the long-term consequences are severe. Unauthorized replicas often fail within months, leading to equipment breakdowns, expensive repairs, and project delays. In contrast, our Axial Load Roller Bearings for Machinery come with full traceability and compliance with international standards. By investing in genuine parts, you reduce the risk of unplanned downtime and lower total operational costs—critical for maintaining profitability in construction projects.
Why Construction Teams Choose Our Bearing Solutions
Our dual-brand authorization from SKF and Timken ensures access to authentic, high-performance bearings. With a unified ISO 9001 quality inspection system, every bearing is verified before shipment. We serve over 1,200 clients across 55+ countries, including large equipment manufacturers and mining EPC teams, who rely on our one-stop procurement and cross-brand technical support. Our global logistics network ensures timely delivery, even to remote construction sites, while our dedicated technical team provides expert guidance on选型 and installation.
Packaging & Shipping
- Carton pallet packaging with protective cushioning to prevent damage during transit
- 现货 available for immediate dispatch, with delivery within 3-7 working days
- Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time logistics tracking provided for all orders
- Minimum order quantity of 1 piece, supporting emergency maintenance needs
Get Your Construction Machinery Bearings Today
Don’t let bearing issues delay your project. Send us your bearing型号, equipment details, and required quantity, and our team will provide a unified quotation within one working day. With our large inventory and global delivery capabilities, we can get your machinery back to work quickly—minimizing downtime and keeping your project on schedule.
Frequently Asked Questions
Q: Are these genuine SKF or Timken bearings?
A: As official authorized distributors, all our bearings are sourced directly from SKF and Timken, with complete traceability and authorization documents available upon request.
Q: How do I confirm the correct RNU series bearing for my equipment?
A: Provide your machinery model or technical specifications, and our cross-brand technical team will verify the exact bearing型号 and compatibility at no cost.
Q: What is your warranty policy for these bearings?
A: We stand by the manufacturer’s warranty, offering unconditional replacement for any bearings found to have manufacturing defects.
Q: What is the minimum order quantity for RNU2212, RNU2304, or RNU310 bearings?
A: We accept orders starting from 1 piece, making us ideal for emergency maintenance and small-batch procurement needs.
Q: How quickly can you ship these bearings to a construction site?
A:现货 items are dispatched within 24 hours, with delivery typically taking 3-7 working days via express courier. For large orders, sea freight options are available.
Q: How can I verify the authenticity of the bearings upon receipt?
A: Each bearing comes with original packaging and serial numbers, which can be cross-checked against manufacturer databases. We also provide detailed certification documents for verification.
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