"When a critical piece of rotating equipment failed, we needed a mixed SKF list urgently. The supplier consolidated the order, shipped same-day, and the parts were on our plant floor in two days. The equipment was back online before the end of the shift."




Buying for several machines? Add this model to one inquiry with the other SKF bearings, housings and accessories on your list. Each line keeps its own designation, quantity and specification.
Send Your Full ListSpecifications
The table below lists the designation, category and recorded dimensions for High-Quality SKF 6309-Zz/C3 Deep Groove Ball Bearings 45x100x25mm for Wind Power & Automotive. Confirm these values against your equipment record before ordering.
| Category | Deep Groove Ball Bearing |
|---|
About this SKF bearing
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 6309-ZZ/C3, 6309-2Z/C3, 6309-2RS1/C3 |
| Bearing Type | Deep Groove Ball Bearing |
| Bore Diameter (d) | 45 mm |
| Outside Diameter (D) | 100 mm |
| Width (B) | 25 mm |
| Seals Type | Zz, 2RS, Open |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Standard | DIN, GB, ISO, JIS, ANSI |
| Weight | 1 Kg |
| Origin | Sweden |
| HS Code | 8482102000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Wind Power | Pitch control systems, generator components |
| Automotive | Transmission assemblies, wheel hubs |
| Industrial Machinery | Conveyor systems, electric motors |
Need Dependable SKF 6309-Zz/C3 Deep Groove Ball Bearings for Critical Equipment?
Industrial buyers often face challenges with bearing reliability—premature failures due to poor material quality, delayed shipments from limited inventory, and uncertainty about product authenticity. When your wind turbine or automotive production line depends on precise 45x100x25mm bearings, these issues can lead to costly downtime and maintenance headaches.
Engineered for Consistent Performance in Demanding Environments
The SKF 6309-Zz/C3 deep groove ball bearings address these pain points through direct sourcing from official channels, ensuring 100% genuine SKF quality. With dimensions of 45mm (bore) x 100mm (outer diameter) x 25mm (width), they fit standard applications in wind power generators and automotive transmissions, where radial load capacity and durability are critical. Our large-scale inventory covers over 95% of conventional SKF models, supporting same-day shipping for urgent requirements.
Optimal Performance in Key Operating Conditions
This bearing excels in moderate to high-speed applications with operating temperatures compatible with standard industrial environments. The Zz metal seals provide effective protection against contaminants while maintaining low friction, making it suitable for both grease and oil lubrication systems. Its radial load design ensures stable performance in rotating equipment, from wind turbine gearboxes to automotive auxiliary components, where consistent operation under varying loads is essential.
Technical Features That Ensure Reliability
The C3 clearance rating allows for thermal expansion in high-temperature operations, preventing premature failure due to tight fits. Bearing steel construction delivers the hardness (typically 58-62 HRC) required for resistance to wear and fatigue, while precision ratings from P0 to P2 accommodate applications with strict runout and noise requirements. The non-aligning design ensures straightforward installation, while the unseparated structure simplifies handling and reduces assembly errors in maintenance scenarios.
Total Cost of Ownership: Why Quality Matters
Choosing authentic SKF 6309-Zz/C3 bearings reduces long-term costs by minimizing unplanned downtime. Inferior bearings often fail early due to substandard materials or imprecise manufacturing, leading to secondary equipment damage and production losses. In contrast, these SKF bearings come with complete traceability—including original factory certificates and batch inspection reports—ensuring compliance with quality standards and simplifying maintenance tracking. Properly selected bearings, matched to application conditions, extend service intervals and reduce overall maintenance expenses.
Quality Assurance You Can Verify
Our procurement process follows strict quality management protocols, with all products sourced directly from SKF official factories and warehouses. Each bearing undergoes dimensional and performance checks to meet SKF's global standards, supported by official documentation including COC and customs declaration papers. We offer a factory warranty on all SKF products, covering manufacturing defects and ensuring customer confidence in every purchase. With export experience to over 40 countries, our supply chain ensures consistent quality regardless of destination.
Packaging & Shipping
- Packaged in cartons with pallet options for bulk orders
- Standard package dimensions: 11.00cm x 11.00cm x 3.50cm
- Same-day shipping available for in-stock items
- Global delivery options including express, air, and sea freight
- Flexible order quantities to accommodate both small and large requirements
Get Your SKF 6309-Zz/C3 Bearings Shipped Quickly
To secure your SKF 6309-Zz/C3 deep groove ball bearings, provide your required quantity, seal type (Zz, 2RS, or Open), and delivery location. Our team will confirm stock availability and provide a detailed quote, including shipping options tailored to your timeline. Early order confirmation ensures priority processing and faster delivery, minimizing equipment downtime.
Frequently Asked Questions
Q: Do you supply other bearing brands or models besides SKF?
A: Yes, we provide a full range of bearings from international brands and domestic manufacturers. We can source specific models according to your requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Share your equipment model or existing bearing dimensions (d x D x B), and our technical team will verify compatibility with the SKF 6309-Zz/C3 specifications.
Q: What warranty coverage is provided?
A: All SKF products come with the original factory warranty, covering manufacturing defects. Specific terms are detailed in the product documentation.
Q: What is the minimum order quantity?
A: We accept small orders to support maintenance needs, with no strict minimum quantity. Larger orders may qualify for volume pricing.
Q: How long does shipping take to my location?
A: Standard delivery takes 7-15 days to most countries via our global logistics network. Express options are available for urgent requirements.
Q: Can you provide custom packaging or labeling?
A: Yes, we offer customized packaging and label printing services to meet specific customer requirements for identification and handling.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we'll get back to you with pricing and lead time.
One SKF inquiry. Every line accounted for.
Electrical Equipment is an Authorized SKF Distributor that turns mixed equipment lists into itemised, comparable quotes and consolidated supply for industrial plants, maintenance contractors and distributors worldwide.
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Broad SKF range in one purchase
Ball, roller, needle, thrust, mounted and precision bearings handled in a single industrial order.
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Mixed equipment lists
One inquiry covers parts for different machines, with designations and internal stock codes matched line by line.
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Standard and precision flagged
Routine replacement bearings and special-specification models are labelled separately on your quote.
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No unapproved substitutes
Identification gaps are closed before quoting; any alternative is listed separately for your approval.
Related SKF bearings
These SKF models share the category of High-Quality SKF 6309-Zz/C3 Deep Groove Ball Bearings 45x100x25mm for Wind Power & Automotive and can be quoted on the same inquiry.
01 Deep Groove Ball Bearing 6704-2RS P5 20x27x4mm with Grease Lubrication for Precision Machinery
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02 High-Speed SKF 6200 Ball Bearings 10x53x11mm for Motors and Water Pumps
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03 6004 Zz 2RS DDU SKF Deep Groove Ball Bearing 20x42x12mm for Precision Machinery
View details
04 Single Row Deep Groove Ball Bearings 6218-2RS1/C3 90x160x30mm for Industrial Machinery with Steel Cage
View detailsWhere this bearing is used
High-Quality SKF 6309-Zz/C3 Deep Groove Ball Bearings 45x100x25mm for Wind Power & Automotive is specified in the applications below. Open an application to see the matching SKF bearing categories.
Trusted by plants and maintenance teams
Industrial buyers in the USA, Mexico, Oman, France, New Zealand and Brazil source genuine SKF bearings and mixed lists through Electrical Equipment.
"We had a bad experience with counterfeit SKF bearings from another supplier. The bearings from skfus.com are genuine, traceable, and the packaging matches SKF's current format. Our reliability team verified the first batch and we now use them as our primary source."
"The SKF mounted units and insert bearings we ordered for a conveyor upgrade were supplied with the correct housing and locking arrangement. Our maintenance team installed them without modification. No noise, no leaks, no call-backs."
Technical articles for this bearing type
These guides cover selection, identification and replacement points relevant to High-Quality SKF 6309-Zz/C3 Deep Groove Ball Bearings 45x100x25mm for Wind Power & Automotive.
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Read the guideQuestions about ordering this SKF bearing
Short answers on identification, mixed orders, quote terms and substitutions at Electrical Equipment.
What if my SKF designation is incomplete?
Send a clear photo of the bearing markings and note which details still need confirming. We close identification gaps, including the exact specification and complete assembly, before you accept a quote. Nothing is substituted to fill a gap.
Can I quote this bearing together with other SKF categories?
Yes. Standard, precision and mounted units can sit in one itemised inquiry, with each line keeping its own designation, quantity and specification. Housings and mounting accessories are added when they are part of your supply scope.
What does the written quote include?
Each quote lists the designation, quantity, price and currency, stock availability, estimated lead time and quote validity. Applicable freight or tax terms are stated, and the product documents available for your order are confirmed.
How are substitutions confirmed?
Only with your approval. Any alternative is marked separately on the quote, and every technical change needs sign-off from the buyer before an order is placed.
Get a written quote for High-Quality SKF 6309-Zz/C3 Deep Groove Ball Bearings 45x100x25mm for Wind Power & Automotive
Send this model alone or with your full SKF list. We verify the identification details on every line first, then issue an itemised written quote with lead time and validity.