Product Specifications
| Parameter |
Details |
| Model NO. |
30238 |
| Material |
Bearing Steel |
| Specification |
190*340*55mm |
| Trademark |
NSK |
| Origin |
Japan |
| HS Code |
8482300000 |
| Sample |
Available |
Application Industries
| Industry |
Typical Equipment |
| Construction Machinery |
Excavators, Loaders, Bulldozers |
| Industrial Manufacturing |
Gearboxes, Heavy-duty Transmissions |
| Automotive |
Commercial Vehicle Axles |
Minimize Downtime with Genuine NSK 30238 Tapered Roller Bearing for Construction Machinery
Construction sites can’t afford unexpected equipment failures. A failed bearing in an excavator or loader can halt operations for days, costing thousands in lost productivity. Many buyers face the dilemma of unreliable suppliers offering counterfeit bearings that fail prematurely or inflexible MOQs that force overstocking. As a bearing supplier with over 15 years of export experience, we understand these challenges firsthand.
Genuine NSK 30238 Bearings Delivered When You Need Them
The NSK 30238 tapered roller bearing is engineered to withstand the heavy loads and shock impacts of construction machinery. With a 190x340x55mm dimension and wear-resistant bearing steel construction, this bearing delivers reliable performance in harsh working conditions. We maintain direct supply channels with NSK, ensuring every unit is 100% genuine and backed by our strict incoming quality inspection process.
Engineered for Heavy-Duty Construction Applications
This tapered roller bearing excels in applications where axial and radial loads combine, such as excavator swing mechanisms and loader transmissions. The 30238 model’s robust design handles high torque environments while maintaining precision rotation, even under dust, vibration, and temperature fluctuations common on construction sites. Choosing the right bearing here isn’t just about replacement—it’s about preventing costly downtime.
Key Specifications That Matter for Your Machinery
The NSK 30238’s 190mm bore diameter and 340mm outer diameter provide a stable load-bearing structure, while the 55mm width ensures sufficient contact area for heavy-duty operations. Constructed from high-grade bearing steel, it offers superior wear resistance compared to lower-quality alternatives. As a tapered roller bearing, it efficiently distributes loads along the roller cone, reducing stress concentration and extending service life in gearbox and axle applications.
Why Genuine NSK Bearings Lower Your Total Cost
Counterfeit tapered roller bearings may save money upfront, but they often fail within months, causing secondary damage to shafts and housings. A single excavator bearing failure can cost $5,000+ in repair parts and labor, plus lost workdays. Our genuine NSK 30238 bearings meet ISO industrial standards and undergo rigorous dimensional and performance testing, ensuring they deliver the rated service life. This reliability translates to lower total cost of ownership over time.
Your Trusted Partner for Construction Machinery Bearings
With ISO 9001:2015 and ISO 14001 certifications, we maintain strict quality control throughout our supply chain. Our warehouse stocks standard bearings with 1 piece MOQ, supporting emergency repairs and small-batch orders. As an experienced exporter to Europe, North America, and Southeast Asia, we understand global logistics requirements and can deliver samples in 3-5 working days. Our technical team provides free guidance on bearing selection and installation, helping you avoid costly application mistakes.
Packaging & Shipping
- Original NSK packaging with carton pallet reinforcement
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options including DHL, FedEx, and sea freight
- 1 piece minimum order quantity for standard bearings
Get Your NSK 30238 Bearing Today
Don’t let equipment downtime impact your project timeline. Whether you need a single replacement bearing or bulk stock, we can fulfill your order quickly. Send us your requirements, and our team will confirm availability and provide a detailed quote within 24 hours. Your construction machinery deserves reliable components—start with the right bearing.
Frequently Asked Questions
Q: Are these genuine NSK bearings?
A: Yes, we are an authorized supplier of genuine NSK bearings. Each unit comes with original packaging and can be traced through NSK’s supply chain system.
Q: How do I confirm if the 30238 is compatible with my equipment?
A: Provide your machinery model or existing bearing part number, and our technical team will verify compatibility based on your application requirements.
Q: What is your warranty policy?
A: All genuine NSK bearings come with a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund.
Q: What is the minimum order quantity?
A: We accept 1 piece MOQ for standard bearings like the NSK 30238, ideal for emergency repair situations.
Q: How long does shipping take to [my location]?
A: Sample orders typically arrive in 3-5 working days via express courier. Bulk orders take 5-15 working days depending on your location and chosen shipping method.
Q: How can I verify the bearing’s authenticity?
A: Genuine NSK bearings feature laser-etched markings, holographic labels, and QR codes that can be verified through NSK’s official channels. We also provide a certificate of authenticity with each order.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
