Product Specifications
| Parameter |
Details |
| Model NO. |
21305 |
| Feature |
Long Life, High Speed, Low Noise |
| Specification |
25*62*17mm |
| Trademark |
SKF |
| Origin |
Sweden |
| HS Code |
8482300000 |
| Production Capacity |
500000 |
| Customerized |
Customizable |
| Sample |
Available |
| Transport Package |
Carton Pallet |
Application Industries
| Industry |
Typical Equipment |
| Mining |
Excavators, Crushers, Conveyors |
| Automotive |
Gearboxes, Fans |
| Industrial Manufacturing |
Industrial Machinery |
Minimize Downtime with Genuine SKF Spherical Roller Bearings 21305-21307 for Mining Equipment
Mining operations face costly disruptions when equipment fails—especially from substandard bearings that wear prematurely under heavy loads. Sourcing authentic high-performance bearings often means navigating minimum order quantities that delay critical repairs, or risking counterfeits that compromise safety and productivity. As a trusted bearing supplier with decades of export experience, we understand these challenges firsthand.
Genuine SKF Spherical Roller Bearings: Ready for Immediate Shipment
Our SKF spherical roller bearings 21305, 21306, and 21307 address these pain points directly. As an authorized supplier, we ensure 100% genuine products with full traceability, eliminating the risk of counterfeit components. With a flexible 1-piece MOQ for standard bearings and sample availability, we support both emergency repairs and scheduled maintenance. Our ISO 9001:2015 certified quality control ensures each bearing meets SKF’s rigorous standards for high-speed performance and long service life, making them ideal for mining equipment subjected to heavy radial and axial loads.
Engineered for Mining’s Toughest Conditions
Spherical roller bearings excel in applications where misalignment, heavy loads, and high speeds are common—key requirements for mining equipment like crushers, conveyors, and excavators. The 21305, 21306, and 21307 series are specifically designed to handle dynamic forces up to their rated capacities, with low noise operation that reduces workplace sound pollution. Their robust construction ensures reliability in dusty, vibrating environments, where bearing failure can lead to unplanned downtime and increased maintenance costs.
Technical Attributes That Deliver Reliability
The 21305 bearing’s 25x62x17mm dimensions balance compact design with load-bearing capability, making it suitable for gearboxes and industrial fans where space is limited. Its high-speed rating ensures efficient power transmission with minimal heat generation, while the low noise feature enhances operator comfort. SKF’s precision manufacturing (P0-P4 grade available) guarantees consistent performance, with strict quality checks throughout production—from raw material inspection to final dimensional testing in our in-house laboratory. The bearings’ long life is further supported by premium chrome steel construction, ensuring resistance to wear and fatigue under continuous operation.
Why Authenticity Matters for Total Cost of Ownership
Counterfeit spherical roller bearings may offer lower upfront costs, but they often fail within months, leading to repeated replacements, equipment damage, and production losses. Genuine SKF bearings, by contrast, deliver predictable performance and extended service life, reducing total ownership costs. Each bearing meets ISO, ABMA, and DIN international standards, ensuring compatibility with global mining equipment brands. Our 12-month warranty covers manufacturing defects, with free replacements or refunds available for qualified issues—providing peace of mind that counterfeit products cannot match.
Our Commitment to Reliable Supply
With over 18 years in the bearing industry, we serve customers across Europe, North America, Southeast Asia, and the Middle East, maintaining stable supply chains even amid market fluctuations. Our one-stop service integrates R&D, production, and global sales, allowing us to offer both standard SKF bearings and OEM/ODM customization to meet specific equipment requirements. We provide free technical guidance on selection, installation, and maintenance, with a professional team available for remote troubleshooting. For distributors and wholesalers, free samples (freight paid by customer) enable product verification before bulk orders, ensuring confidence in every purchase.
Packaging & Shipping
- Original SKF packaging with carton pallet for secure transport
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options including express, air, and sea freight
- Real-time shipment tracking provided for all orders
- 1-piece minimum order quantity for standard bearings
Get Your Mining Equipment Back to Work
Don’t let bearing issues slow your operations. Whether you need 21305, 21306, or 21307 bearings for immediate repair or stock replenishment, we have the genuine SKF products you need. Send us your bearing model, application details, and quantity, and our team will respond with a quote within 24 hours—ensuring minimal delay between inquiry and shipment.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an authorized supplier of genuine SKF bearings with full traceability to ensure authenticity. We can provide documentation confirming the product’s origin and compliance with SKF standards.
Q: How do I confirm if the 21305 bearing fits my mining equipment?
A: Our technical team can assist with选型 based on your equipment model, load requirements, and operating conditions. Provide these details, and we’ll verify compatibility at no cost.
Q: What is the warranty for these bearings?
A: All genuine SKF bearings come with a 12-month warranty from the date of delivery, covering manufacturing defects. Defective products will be replaced free of charge or refunded per our after-sales policy.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece of standard bearings, supporting emergency repair needs. Customized orders have negotiable quantities based on specifications.
Q: How long does shipping take?
A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days. We offer flexible logistics options to meet your timeline requirements.
Q: How can I verify the authenticity of the bearings?
A: Genuine SKF bearings include unique packaging with防伪 labels and laser-etched markings. We provide full traceability documentation, and you can cross-verify serial numbers through SKF’s official channels.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
