Sep 19, 2026 · Technical Resources
Ball Bearing Load Rating Reference Table: Wholesale Supplier
Master the Ball Bearing …
Read the selection guideSKF bearings by designation · Itemized written quotes for mixed project lists




State the exact execution (designation suffix), whether you need the complete assembly, and which housings or mounting accessories belong on the same line. Keep precision items separate, with accuracy class and arrangement.
Technical data
Listed data for this SKF designation; confirm the execution and dimensions against your drawing or application before ordering.
| Category | Tapered Roller Bearing |
|---|
| Parameter | Details |
|---|---|
| Model Number | 30308 |
| Bearing Type | Tapered Roller Bearing |
| Specification (d x D x B) | 40*90*23mm |
| Material | Bearing Steel |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482300000 |
| Sample Availability | Available |
| Package Size | 6.00cm * 11.00cm * 4.50cm |
| Package Gross Weight | 0.790kg |
| Industry | Typical Applications |
|---|---|
| Automotive | Car Gearbox |
| Industrial | Fan Systems |
When selecting bearings for car gearboxes, engineers often face challenges with early wear from radial and axial loads or compatibility issues with existing components. Sourcing genuine tapered roller bearings with precise dimensions like 40x90x23mm can be time-consuming, especially when urgent replacements are needed to minimize downtime.
The SKF 30308 tapered roller bearing is designed to address these challenges with its robust bearing steel construction and optimized load capacity. As a specialized supplier with direct access to global distribution centers, we ensure 100% authentic SKF products that meet original factory specifications. This bearing’s 40x90x23mm dimensions make it ideal for car gearboxes, where it efficiently handles combined radial and axial loads during gear shifts and high-torque operations.
This SKF 30308 bearing performs best in car gearboxes operating under continuous load cycles, where its tapered roller design distributes stress evenly across contact surfaces. The 23mm width provides stability during high-speed rotation, while the bearing steel material ensures resistance to wear and deformation at operating temperatures typical of automotive transmissions. Properly matched to gearbox shafts, it reduces vibration and noise, extending component life.
The 40mm bore diameter (d) and 90mm outer diameter (D) of the SKF 30308 bearing ensure precise fit with standard gearbox components, eliminating issues with misalignment that can cause premature failure. Bearing steel, known for its high hardness and fatigue resistance, ensures the bearing withstands the repetitive stresses of gear engagement. The tapered roller geometry is engineered to handle both radial loads from shaft rotation and axial loads from gear thrust, making it a versatile solution for automotive powertrain systems.
Selecting a genuine SKF 30308 tapered roller bearing helps avoid hidden costs associated with劣质替代品. Poorly manufactured bearings often have inconsistent dimensions or substandard materials, leading to increased friction, overheating, and early failure. These issues result in unplanned maintenance, gearbox damage, and production downtime. In contrast, this bearing’s adherence to SKF’s global quality standards ensures predictable performance, reducing long-term operational expenses through extended service intervals and fewer replacements.
We strictly implement SKF’s global quality management system, with all products sourced directly from official factories and warehouses. Each bearing comes with complete traceability, including original factory certificates and batch inspection reports. Our professional technical team, certified by SKF, can provide installation guidance to ensure optimal performance. With a large-scale dedicated inventory covering over 95% of conventional SKF models, we support same-day shipping for spot goods, ensuring you get the bearings you need when you need them.
Whether you need a single SKF 30308 tapered roller bearing for maintenance or bulk orders for production, we can fulfill your requirements. Provide your model number, quantity, and delivery location, and our team will respond promptly with pricing and availability. We also offer customized packaging and technical documentation services to meet your specific needs.
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we cover a wide range of international brands including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic quality brands. We can source bearings according to your specified brand and model.
Q: How can I confirm if the SKF 30308 bearing fits my car gearbox?
A: Provide your equipment model or existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility with the SKF 30308 specifications.
Q: What is your warranty policy for SKF bearings?
A: All SKF products come with the original factory warranty covering manufacturing defects. Specific warranty terms are provided with each order and can be referenced in the product documentation.
Q: What is the minimum order quantity for the SKF 30308 bearing?
A: We accept low minimum order quantities, including single-unit purchases, to support both maintenance needs and small-scale production requirements.
Q: How quickly can you ship the SKF 30308 bearing if it's in stock?
A: In-stock SKF 30308 bearings are shipped the same day for orders placed before our daily cutoff time. Delivery times depend on your location but typically range from 7-15 days globally.
Q: Do you offer OEM or ODM services for bearings?
A: Yes, we provide customized packaging, label printing, and technical documentation services according to customer requirements. For specialized bearing designs, please contact our technical team with your specifications.
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.
Project buyers
"We submitted a long SKF list for a new project, mixing ball, roller, needle and thrust bearings. This supplier came back with itemized pricing, lead times and alternatives for two long-lead references. We could plan the procurement timeline without surprises."
Daniel KimKim Engineering Project · South Korea"When our project timeline shifted and we needed to split the delivery into three batches, the supplier worked with us on the schedule. Each batch arrived complete and on the agreed date. No holding costs, no rush shipping fees."
Mohammed Al-AminAl-Amin Contracting · Saudi ArabiaSame series
Comparable designations from the same category, ready to add to one itemized quote.
Tapered Roller Bearing LM11949/LM11910 SKF Tapered Roller Bearing 19.05×45.24×15.49mm for Machinery Precision
Tapered Roller Bearing Taper Roller Bearings SKF 32207 with P0-P2 Precision for Industrial Machinery
Tapered Roller Bearing Tapered Roller Bearings 32315X3 P0-P2 Precision for Industrial Machinery Grease Lubrication
Tapered Roller Bearing Single Row SKF Tapered Roller Bearings 33018 with Iron/Brass Cage for Industrial Machinery **解析**: - **关键词前置**:主关键词"Single Row SKF Tapered Roller Bearings"位于前30字符内,符合要求。 - **具体型号与优势**:包含具体型号"33018"和"Iron/Brass Cage"(材质优势),非泛化描述。 - **搜索意图匹配**:"for Industrial Machinery"明确应用场景,符合Google EEAT(经验、专业性、权威性、可信度)的实用性要求。 - **格式规范**:长度约65字符,无全大写或过度标点,语言符合专业零售商风格,未以品牌名开头。 Where it runs
Typical equipment and duty conditions this SKF bearing type is specified for.
Standard and precision lines listed separately, each with model, stock, lead time and validity — so your comparison is line by line, not guesswork.
Selection guides
Sep 19, 2026 · Technical Resources
Master the Ball Bearing …
Read the selection guide
Sep 19, 2026 · Installation & Maintenance
Correct angular contact …
Read the selection guide
Aug 5, 2026 · Technical Resources
Master OEM bearing prelo…
Read the selection guideFAQ
Send the selected SKF model, quantity per line, accuracy requirement, mounting accessories, destination country and postcode, and the date you need the goods. Confirm the exact execution and whether you need the complete assembly. With that, Project Purchasing Company returns a written itemized quote.
List precision bearings on separate lines with their accuracy class and arrangement or configuration. Keeping them apart from standard bearings prevents wrong pricing and wrong shipments on mixed project lists.
Yes. Send a photo of the nameplate or bearing markings, and we list the information that still needs confirming. Any technical change or alternative model is clearly marked and requires your approval.
Yes. Shipping method and delivery schedule are confirmed before dispatch, so batches can follow your installation timeline. On receipt, check labels, quantity and condition; any mismatch is handled with your order number and photos.
Request a quote
Project Purchasing Company quotes every line by SKF model, with price and currency, stock, estimated lead time, validity and freight or tax terms. Add related bearings and accessories to the same request.