Product Specifications
| Parameter |
Details |
| Model NO. |
NJ2238EM |
| Product Name |
Cylindrical Roller Bearing |
| Bore Diameter (d) |
190mm |
| Outside Diameter (D) |
340mm |
| Width (B) |
92mm |
| Material |
Bearing Steel |
| Load Direction |
Radial Bearing |
| Separated |
Separated |
| Structure |
Cylindrical |
| Seals Type |
Open |
| Lubricate |
Oil Grease Dry |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Number of Row |
Single Row |
| Spherical |
Non-Aligning Bearings |
| Trademark |
SKF NSK NTN TIMKEN KOYO |
| HS Code |
8482500090 |
Application Industries
| Industry |
Typical Equipment |
| Construction Machinery |
Excavators, Loaders, Bulldozers, Concrete Mixers |
| Mining |
Crushers, Conveyors, Drilling Rigs, Haul Trucks |
| Steel & Metallurgy |
Rolling Mills, Continuous Casters, Overhead Cranes |
| Heavy Manufacturing |
Industrial Gearboxes, Press Machines, Forging Equipment |
Minimize Downtime with NJ2238EM Cylindrical Roller Bearings for Heavy Machinery
Heavy machinery operators know the cost of unplanned downtime—hours of lost production, expensive repairs, and missed deadlines. When bearings fail prematurely in critical equipment like crushers or rolling mills, the root cause often traces to substandard components or mismatched specifications. Sourcing reliable bearings for large-scale machinery means navigating multiple suppliers, inconsistent quality standards, and long lead times that delay maintenance.
ISO 9001 Certified NJ2238EM Bearings: In Stock and Ready for Heavy-Duty Applications
The NJ2238EM cylindrical roller bearing is engineered to address these challenges, with dimensions 190x340x92mm that fit heavy machinery across construction, mining, and steel industries. As an official distributor of SKF and Timken, we maintain large centralized inventory to ensure this critical component is available for immediate dispatch. Each bearing undergoes unified ISO 9001 quality inspection, verifying its radial load capacity and structural integrity for demanding operating conditions.
Engineered for High-Load, Continuous Operation
This single-row cylindrical roller bearing excels in applications with heavy radial loads and moderate speeds, such as gearboxes in excavators or conveyor systems in mining operations. Its separated inner and outer rings allow for easy mounting and dismounting, simplifying maintenance in the field. The open design accommodates various lubrication methods—oil, grease, or dry running—adapting to diverse machinery requirements without compromising performance.
Technical Specifications That Drive Reliability
The NJ2238EM’s performance is defined by critical parameters that directly impact equipment longevity. Its precision rating options (from P0 to P2) ensure compatibility with machinery requiring tight tolerances, reducing vibration and noise in high-speed applications. The bearing steel construction provides exceptional durability, resisting wear even under constant load. As a separated-type bearing, it allows for axial displacement, accommodating thermal expansion in large equipment like steel rolling mills. The radial load design ensures efficient power transmission, making it ideal for heavy-duty gearboxes and rotating shafts.
Why Authenticity Matters: The Risks of Counterfeit Bearings
Counterfeit cylindrical roller bearings may offer lower upfront costs, but they pose significant risks: inconsistent material quality leads to premature fatigue, while imprecise manufacturing causes excessive vibration and heat buildup. In mining operations, a failed NJ2238EM could halt a conveyor system, costing thousands in lost production per hour. Our ISO 9001 certified bearings adhere to strict quality standards, with traceable supply chains back to trusted manufacturers like SKF and Timken. Investing in genuine components reduces total cost of ownership by minimizing downtime and extending maintenance intervals.
Our Commitment to Reliable Heavy Machinery Support
As a dual-brand authorized distributor, we provide more than just bearings—we deliver integrated solutions backed by industry expertise. Our cross-brand technical team supports选型 and application verification, ensuring the NJ2238EM matches your specific machinery requirements. With 1,200+ clients across 55+ countries, including major mining and construction firms, we’ve built a reputation for stable supply during large-scale projects. Every order includes complete documentation, from quality certificates to export compliance paperwork, simplifying procurement for global operations. Our one-stop mixed procurement model lets you source multiple bearing brands in a single order, reducing supplier management costs.
Packaging & Shipping
- Carton and pallet packaging with protective cushioning to prevent damage during transit
- 现货 available for dispatch within 3-7 working days
- Global logistics options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking provided for all shipments
- Minimum order quantity of 1 piece, supporting both emergency repairs and bulk procurement
Secure Your NJ2238EM Bearings Today
Don’t let bearing delays disrupt your operations. Whether you need a single NJ2238EM for emergency maintenance or a bulk order for scheduled overhauls, our streamlined process ensures quick response and reliable delivery. Send us your equipment details, quantity, and delivery location—our team will confirm compatibility and provide a quote within 24 hours.
Frequently Asked Questions
Q: Are these genuine NJ2238EM bearings?
A: Yes, we are an official authorized distributor of leading brands including SKF and Timken. All bearings are sourced from original manufacturers and come with complete traceability documentation.
Q: How do I confirm if the NJ2238EM fits my equipment?
A: Provide your machinery model, application type, and operating conditions (load, speed, temperature), and our technical team will verify compatibility at no cost.
Q: What is the warranty policy for this bearing?
A: We stand by the manufacturer’s warranty, covering manufacturing defects. In case of quality issues, we offer unconditional replacement or refund.
Q: What is the minimum order quantity for the NJ2238EM?
A: We accept orders starting from 1 piece, allowing for emergency repairs and small-batch purchases.
Q: How long does shipping take to [my country]?
A: For现货 items, delivery typically takes 3-7 working days via express courier (DHL/FedEx/UPS). Sea freight options are available for bulk orders with longer lead times.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing comes with original packaging, laser-etched brand markings, and a certificate of conformance. You can cross-verify serial numbers with the manufacturer’s database, and we provide additional authentication support if needed.
