Product Specifications
| Parameter |
Details |
| Model NO. |
21305 |
| Feature |
Long Life, High Speed, Low Noise |
| Specification |
25x62x17mm |
| Trademark |
SKF |
| Origin |
Sweden |
| HS Code |
8482300000 |
| Sample |
Available |
| Customerized |
Customizable |
| Package Size |
5.00cm * 9.00cm * 4.00cm |
| Package Gross Weight |
0.160kg |
Application Industries
| Industry |
Typical Equipment |
| Industrial Manufacturing |
Gearboxes, Conveyors, Machine Tools |
| Automotive |
Transmission Systems, Vehicle Fans |
| Agricultural Machinery |
Tractor Gearboxes, Harvester Drivetrains |
| Engineering |
Excavator Hydraulic Systems, Construction Equipment |
Minimize Downtime with Genuine Spherical Roller Bearing 21305 for Gearboxes
Unexpected gearbox failures disrupt production schedules and inflate maintenance costs, often traced to substandard bearings that fail prematurely under heavy loads. Sourcing authentic replacement bearings can be challenging, with long lead times and minimum order requirements delaying critical repairs. For industries relying on continuous operation—from automotive manufacturing to agricultural machinery—these delays translate directly to lost revenue and compromised operational efficiency.
Genuine SKF 21305 Bearings: In Stock and Engineered for Reliability
Our Spherical Roller Bearing 21305 25x62x17mm addresses these challenges by combining authentic SKF quality with flexible supply solutions. As an experienced bearing supplier with decades of export experience, we maintain ready stock of this critical gearbox component, ensuring 3-5 working days delivery for sample orders and 5-15 days for bulk quantities. The 25x62x17mm dimension ensures precise fit in standard gearboxes, while SKF’s renowned manufacturing standards guarantee compatibility with industrial machinery, automotive transmissions, and agricultural equipment.
Optimized Performance in Demanding Gearbox Environments
This Spherical Roller Bearing 21305 excels in high-torque gearbox applications where misalignment, heavy radial loads, and variable speeds are common. Its design accommodates shaft deflection and angular misalignment up to 2 degrees, reducing stress on adjacent components. The low noise operation (Z2/Z3 noise grade) makes it suitable for precision equipment, while high-speed capability ensures consistent performance in continuous-duty scenarios—critical for maintaining production throughput in manufacturing and processing facilities.
Technical Attributes That Deliver Long Service Life
The 21305 bearing’s performance is defined by key engineering features: its 25mm bore diameter and 62mm outer diameter provide optimal load distribution, while the 17mm width balances structural stability with space efficiency. SKF’s proprietary heat treatment process enhances material durability, directly contributing to the long service life specified. The bearing’s cage design ensures uniform roller spacing, minimizing friction and heat generation during high-speed rotation—essential for preventing premature lubricant degradation in gearbox applications.
Why Authenticity Matters for Total Cost of Ownership
Counterfeit bearings may offer initial cost savings, but they typically fail within 30-50% of the service life of genuine SKF products, leading to repeated replacement cycles. A single gearbox failure from a fake bearing can cost thousands in downtime, labor, and secondary component damage. Our genuine SKF 21305 bearings comply with ISO 9001:2015 quality standards, backed by rigorous incoming material inspection and full-process production supervision—delivering predictable performance that reduces total cost of ownership over the equipment lifecycle.
Your Trusted Partner for Bearing Solutions
With ISO 9001:2015 and ISO 14001 certifications, we adhere to global quality and environmental standards. Our professional technical team provides free guidance on bearing selection and installation, ensuring optimal performance for your specific application. As a high-tech enterprise with a dedicated R&D department, we support OEM/ODM customization for non-standard requirements, while our flexible order policy (1 piece MOQ for standard bearings) caters to both emergency repairs and long-term supply agreements. We serve customers across Europe, North America, Southeast Asia, and the Middle East, maintaining a reputation for reliable global delivery.
Packaging & Shipping
- Carton pallet packaging with protective inner lining to prevent damage during transit
- Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
- Multiple logistics options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking number provided upon shipment for full supply chain visibility
- 1 piece minimum order quantity supported for emergency maintenance needs
Get Your Gearbox Back in Operation
Every hour of gearbox downtime impacts your bottom line. Whether you need a single replacement bearing for emergency repair or bulk quantities for planned maintenance, we ensure prompt delivery of genuine SKF 21305 bearings. Send your order details today to minimize production disruption and maintain operational reliability.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we supply genuine original SKF bearings with full traceability to ensure authenticity and performance.
Q: How do I confirm if this bearing fits my gearbox?
A: Provide your equipment model or gearbox specifications, and our technical team will verify compatibility at no cost.
Q: What is the warranty policy?
A: All products come with a 12-month warranty from the delivery date, covering manufacturing defects with free replacement or refund.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ, suitable for emergency repairs and small-batch purchases.
Q: How quickly can I receive my order?
A: Sample orders ship in 3-5 working days; bulk orders take 5-15 working days depending on quantity.
Q: How can I verify the bearing’s authenticity?
A: Genuine SKF bearings include unique packaging with防伪 labels and laser markings. We provide full certification and traceability documentation upon request.
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