"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 Spherical Roller Bearing 21306 30x72x19mm for Gearbox Long Life High Speed SKF. Confirm these values against your equipment record before ordering.
| Category | Spherical Roller Bearing |
|---|
About this SKF bearing
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 21306 |
| Bearing Type | Spherical Roller Bearing |
| Bore Diameter (d) | 30mm |
| Outside Diameter (D) | 72mm |
| Width (B) | 19mm |
| Features | Long Life, High Speed, Low Noise |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482300000 |
| Package Size | 5.00cm * 10.00cm * 4.00cm |
| Package Gross Weight | 0.200kg |
| Customization | Customizable |
| Sample Availability | Available |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automotive | Gearbox assemblies |
| Industrial Machinery | Fan systems, general industrial equipment |
Need a Reliable SKF 21306 Spherical Roller Bearing for Your Gearbox?
Finding a bearing that combines high-speed performance with long service life can be challenging, especially when dealing with critical gearbox applications. Many buyers face issues with premature wear, incorrect dimensions, or unreliable suppliers who can't guarantee authenticity. These problems often lead to unexpected downtime and increased maintenance costs.
Engineered for Long-Term Gearbox Performance
The SKF 21306 spherical roller bearing addresses these challenges with its 30x72x19mm dimensions and design optimized for high-speed operation. As a specialized supplier with direct access to a wide range of bearing brands, we ensure you get the exact specifications needed for your application. Our extensive inventory covers over 95% of conventional models, supporting same-day shipping for in-stock items, which means you can minimize equipment downtime.
Optimal Performance in Demanding Conditions
This spherical roller bearing excels in gearbox environments where high radial loads and moderate axial loads are present. Its ability to accommodate misalignment makes it suitable for applications with slight shaft deflection, reducing stress on other components. The low noise feature is particularly beneficial in machinery where operational sound levels are a concern, ensuring smoother and quieter gearbox performance.
Key Engineering Details for Reliable Operation
The 30mm bore diameter and 72mm outer diameter of the SKF 21306 bearing ensure precise fit in standard gearbox assemblies, while the 19mm width provides sufficient load-bearing capacity. The long-life design is achieved through high-quality materials and manufacturing processes, which help resist wear even under continuous high-speed operation. The low noise characteristic is a result of precision machining and optimized internal clearance, reducing vibration and noise generation during use.
Why Choosing the Right Bearing Impacts Total Cost
Selecting a quality spherical roller bearing like the SKF 21306 can significantly lower your total cost of ownership. Inferior bearings often fail prematurely, leading to unplanned maintenance, replacement parts, and production downtime. In contrast, this bearing's long service life and reliable performance reduce the frequency of replacements and associated labor costs. By investing in a bearing that matches your gearbox's requirements, you avoid the hidden expenses of poor performance and frequent failures.
Quality You Can Trust
Our commitment to quality ensures that every bearing meets strict standards. We source directly from official channels, providing complete traceability and original factory certificates. All products undergo thorough inspection to ensure dimensional accuracy and performance. We offer a warranty on all bearings, covering manufacturing defects for your peace of mind. With our professional technical team, we can assist with bearing selection and application guidance to ensure you get the right product for your needs.
Packaging & Shipping
- Packaged in cartons with pallets for bulk orders, ensuring safe transportation
- Same-day shipping available for in-stock items to minimize delivery time
- Flexible shipping options including express courier, air freight, and sea freight
- Low minimum order quantity supported, ideal for both small repairs and large-scale projects
Get Your SKF 21306 Bearing Quote Today
Whether you need a single SKF 21306 bearing or a bulk order, we can provide competitive pricing and reliable delivery. Contact us with your specific requirements, including quantity and delivery location, and our team will respond promptly with a quote. Let us help you keep your gearbox running smoothly with the right bearing solution.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we offer a complete range of bearings from various international brands, including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, as well as domestic Chinese brands. We can source according to your specific brand or model requirements.
Q: How can I confirm if the SKF 21306 bearing fits my equipment?
A: Please provide your equipment model or existing bearing dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the SKF 21306 specification.
Q: What is your warranty policy for this bearing?
A: We provide a warranty covering manufacturing defects. The specific warranty period and terms will be detailed in your order confirmation, ensuring protection against material or production-related issues.
Q: What is the minimum order quantity for the SKF 21306 bearing?
A: We support low minimum order quantities, including single-unit purchases, making it suitable for both maintenance needs and large-scale production requirements.
Q: How long does shipping take to my location?
A: For in-stock items, we ship the same day. Delivery times vary by destination but typically range from 7-15 days for most countries and regions via our global delivery network.
Q: Can you provide custom packaging or labeling for the bearings?
A: Yes, we offer customizable packaging and label printing services according to customer requirements, helping with inventory management and branding needs.
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.
-
Broad SKF range in one purchase
Ball, roller, needle, thrust, mounted and precision bearings handled in a single industrial order.
-
Mixed equipment lists
One inquiry covers parts for different machines, with designations and internal stock codes matched line by line.
-
Standard and precision flagged
Routine replacement bearings and special-specification models are labelled separately on your quote.
-
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 Spherical Roller Bearing 21306 30x72x19mm for Gearbox Long Life High Speed SKF and can be quoted on the same inquiry.
01 Self-Aligning Roller Bearings 22238EK 22240EK 190x340x92mm for Wind Power Equipment
View details
02 6306 Deep Groove Ball Bearing 30x72x19mm P5 Precision for Wind Power Machinery
View details
03 Self-Aligning Roller Bearings SKF 21310EK 50x110x27mm for Wind Power & Steel Mills Equipment
View details
04 High Speed SKF 6206 Radial Ball Bearing 30x62x16mm P0-P4 for Industrial Machinery
View detailsWhere this bearing is used
Spherical Roller Bearing 21306 30x72x19mm for Gearbox Long Life High Speed SKF is specified in the applications below. Open an application to see the matching SKF bearing categories.
Conveyor Upgrades
Conveyor upgrades use mounted units, insert bearings and plummer block housings on head, tail and take-up pulleys, plus tapered roller bearings on heavier drive…
Bearing Units and Housings · Plummer Block Housings · Mining and Vibrating Screen Bearings · Spherical Roller Bearing
Critical Rotating Equipment Repair
When a pump, compressor, crusher, screen or another critical rotating machine fails, the replacement bearings have to match the original exactly and arrive quickly.…
Pump and Compressor Bearings · Mining and Vibrating Screen Bearings · Super-Precision Cylindrical Roller Bearings · Spherical Roller Bearing
Industrial Shafting
Mounted bearing units, plummer block housings and spherical roller bearings carry line shafts, drive shafts and machine shafts across industrial plants. These positions have…
Bearing Units and Housings · Plummer Block Housings · Spherical Roller Bearing · Agricultural Machinery Bearings
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 Spherical Roller Bearing 21306 30x72x19mm for Gearbox Long Life High Speed SKF.
Conveyor Bearings for Port Expansion: Wholesale Supplier
Prevent catastrophic conveyor downtime in harsh port expansions by avoiding cheap bearings that fail under salt fog and heat. Learn from a real Middle…
Read the guide
SKF vs SealMaster Bearings for US Conveyor Rebuilds – Wholesale Supplier with Cross-Reference Support
Master SKF vs SealMaster bearings cross-reference for US conveyor rebuilds by verifying housing dimensions beyond standard charts. Avoid costly fitment failures caused by mismatched…
Read the guide
How China-Based Suppliers Solve Conveyor Bearing Failures: A Case Study on Custom Solutions
How China-Based Suppliers Solve Conveyor Bearing Failures: A Case Study on Custom Solutions European brands aren't the only source for high-performance custom bearings. While…
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 Spherical Roller Bearing 21306 30x72x19mm for Gearbox Long Life High Speed SKF
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.