Spherical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Spherical Roller Bearing
Spherical Roller Bearing 21305cde4 21305cdke4 21305cae4 21305cake4 Self-Aligning for Mining Agricultural Machine
Keep your mining and agricultural machinery running smoothly with reliable self-alignment that minimizes downtime and reduces maintenance headaches. Our Spherical Roller Bearing series—including 21305cde4, 21305cdke4, 21305cae4, and 21305cake4—delivers consistent performance even under heavy loads and misalignment, ensuring your equipment stays productive when you need it most.
- Engineered with optimized internal geometry to handle radial and axial loads effortlessly, perfect for the rigors of farming and mining operations
- Self-aligning design compensates for shaft deflections, protecting your machinery from premature wear and extending service life
7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
Product Specifications
| Parameter | Details |
|---|---|
| Bearing Type | Spherical Roller Bearing |
| Model Number | 21305cde4, 21305cdke4, 21305cae4, 21305cake4 |
| Design Feature | Self-Aligning |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Mining | Conveyor systems, crushers, vibrating screens |
| Agricultural Machine | Harvesters, tractors, tillage equipment |
Need Reliable Spherical Roller Bearing 21305 Series for Heavy Machinery?
Finding the right spherical roller bearing for mining or agricultural equipment can be challenging—especially when dealing with misalignment issues or frequent maintenance interruptions. Many buyers struggle with incompatible dimensions across brands or premature failures due to substandard materials, leading to costly downtime in critical operations.
Engineered for Demanding Work Conditions
The 21305 series spherical roller bearings are designed to address these challenges with self-aligning capabilities that accommodate shaft misalignment up to 2-3 degrees, reducing stress on machinery components. As a supplier with ISO 9001 certified quality processes, we ensure each bearing meets strict dimensional and hardness standards, suitable for heavy-duty applications in mining conveyors and agricultural harvesters where reliability is non-negotiable.
Optimal Performance in Heavy Load Environments
This spherical roller bearing excels in applications with high radial loads and moderate axial loads, common in mining crushers and agricultural tillage equipment. Its robust construction handles shock loads and vibration, while the self-aligning design compensates for installation errors and shaft deflection—critical factors in extending equipment lifespan in dusty, high-moisture environments typical of these industries.
Key Engineering Features for Longevity
The 21305 series incorporates precision-machined raceways and rollers to distribute loads evenly, minimizing contact stress and wear. The cde4/cdke4/cae4/cake4 designations indicate variations in cage type and internal clearance, allowing selection based on specific application requirements—whether higher speed operation or enhanced contamination resistance. Proper clearance selection is essential to prevent overheating and ensure optimal performance under varying load conditions.
Total Cost of Ownership Matters
Choosing the correct spherical roller bearing directly impacts operational costs. Inferior bearings may save upfront but often result in unplanned downtime, increased maintenance, and potential damage to adjacent components. The 21305 series, built to international standards, reduces these risks by offering consistent performance and longer service intervals, ultimately lowering the total cost of ownership compared to cheaper alternatives.
Quality You Can Rely On
Our spherical roller bearings undergo rigorous testing, including raw material verification and成品尺寸、硬度及表面处理检测, ensuring compliance with industry standards. We stand behind our products with a manufacturer’s warranty covering manufacturing defects, providing peace of mind for your critical applications. With access to both our own brand and a wide range of international and domestic brands, we can source the exact 21305 series bearing you need, even for hard-to-find specifications.
Packaging & Shipping
- Standard industrial packaging with protective wrapping to prevent damage during transit
- Available from stock for prompt dispatch
- Flexible shipping options including courier, air freight, and sea freight to meet your timeline
- Low minimum order quantity supported, ideal for both maintenance replacements and bulk requirements
Get Your 21305 Series Bearing Quote Today
Whether you need a single replacement or bulk order of 21305cde4, 21305cdke4, 21305cae4, or 21305cake4 bearings, provide us with your specific model, quantity, and delivery location. Our team will quickly confirm availability and pricing, helping you keep your mining or agricultural equipment running with minimal disruption.
Frequently Asked Questions
Q: Can you supply other brands or models of spherical roller bearings?
A: Yes, we support inquiries for all brands and models, and can supply bearings according to your specified brand or dimensional requirements.
Q: How do I confirm if the 21305 series is compatible with my equipment?
A: Provide the original bearing dimensions (bore diameter, outer diameter, width) or equipment model, and our technical team will verify compatibility with the 21305 series specifications.
Q: What is your warranty policy for these bearings?
A: We provide a warranty period covering manufacturing defects. Specific terms are outlined in the sales contract, and defective products will be replaced or refunded according to the agreement.
Q: What is the minimum order quantity for the 21305 series?
A: We offer low minimum order quantities, including support for small-batch trial orders to meet your maintenance or prototyping needs.
Q: How long does shipping take, and what methods are available?
A: In-stock bearings are shipped immediately. Shipping time depends on the method: courier (3-7 days), air freight (5-10 days), or sea freight (20-40 days), with options tailored to your urgency.
Q: Do you offer OEM/ODM customization for spherical roller bearings?
A: Yes, we support custom bearing manufacturing according to your drawings, specifications, or sample requirements for specialized applications.
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Product Summary
- Product Name
- Spherical Roller Bearing 21305cde4 21305cdke4 21305cae4 21305cake4 Self-Aligning for Mining Agricultural Machine
- Category
- Spherical Roller Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Get a Custom Quote
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Spherical Roller Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
Get a custom quote for
Spherical Roller Bearing 21305cde4 21305cdke4 21305cae4 21305cake4 Self-Aligning for Mining Agricultural Machine
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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