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Cylindrical Roller Bearing
NJ340EM NJ344EM NTN Japan Cylindrical Roller Bearings for Automotive Machinery with OEM Supply
<p>Ensure seamless automotive machinery performance with <strong>NTN cylindrical roller bearings</strong>—NJ340EM and NJ344EM models deliver reliable radial load handling and precise operation in high-demand industrial environments. As an official NTN distributor, we guarantee 100% genuine Japan-sourced bearings with full traceability documentation, eliminating customs clearance delays and quality concerns.</p><ul><li>Separated structure design allows easy maintenance and quick replacement, minimizing machinery downtime</li><li>Bearing steel construction with P0-P2 precision ratings ensures long-term stability for automotive and general machinery applications</li><li>Grease or oil lubrication flexibility adapts to diverse operating conditions, supported by our 10+ years technical team for installation guidance</li></ul>
- Category
- Cylindrical Roller Bearing
- Lead Time
- 7-15 Days
- MOQ
- 1 Piece
- Supply
- In Stock
- Auth.
- Official Dist.
Product Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | NJ340EM |
| Outer Dimension | 35mm-180mm |
| Material | Bearing Steel |
| Spherical | Non-Aligning Bearings |
| Load Direction | Radial Bearing |
| Separated | Separated |
| Product Name | Cylindrical Roller Bearing |
| Bore Size | 15-90 mm |
| Structure | Cylindrical |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Service | OEM ODM |
| Transport Package | Carton Pallet |
| Specification | 200*420*80mm |
| Trademark | NTN |
| Origin | Japan |
| HS Code | 8482500090 |
| Production Capacity | 100000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Automotive | Transmissions, Axles, Engine Components |
| General Machinery | gearboxes, Pumps, Compressors |
| Motors | Electric Motor Rotors, Drives |
| Household Appliances | Industrial Washing Machines, Large HVAC Systems |
| Rail Transit | Train Bogies, Conveyor Systems |
Reduce Downtime with Authentic NTN NJ340EM NJ344EM Cylindrical Roller Bearings
When automotive machinery grinds to a halt due to bearing failure, every hour of downtime eats into production targets and profits. Sourcing reliable cylindrical roller bearings often means juggling multiple suppliers, facing inconsistent quality, and waiting weeks for critical parts. For maintenance teams and OEMs, the struggle to balance cost, availability, and authenticity creates unnecessary operational risks.
Genuine NTN Bearings with OEM Supply Capabilities
As an official NTN distributor, we eliminate these pain points by offering authentic NJ340EM and NJ344EM cylindrical roller bearings directly from Japan. Our dual-brand authorization (SKF & NTN) means we can provide cross-brand selection guidance, ensuring you get the right bearing for your automotive machinery application—whether it’s for high-speed motors or heavy-duty gearboxes. With sufficient hot-selling stock, we avoid the delays of direct factory minimum order quantities.
Engineered for Demanding Automotive Machinery Environments
NTN cylindrical roller bearings like the NJ340EM excel in applications requiring high radial load capacity and moderate speeds—ideal for automotive transmissions, motor spindles, and machinery gearboxes. Their separated inner and outer rings allow for easy mounting and dismounting, simplifying maintenance. The bearing steel construction ensures durability under continuous operation, while precision ratings from P0 to P2 accommodate everything from general machinery to high-precision equipment.
Technical Features That Drive Performance
The NJ340EM’s 200*420*80mm specification delivers a robust platform for handling radial loads, with dynamic load capabilities suited to cyclic industrial operations. Its non-aligning design requires proper shaft alignment but offers superior rigidity in fixed-position applications. Precision vibration classes (Z1V1 to Z3V3) minimize operational noise, a critical factor in automotive manufacturing environments. The option for grease or oil lubrication provides flexibility to match your machinery’s existing maintenance protocols, ensuring optimal performance and extended bearing life.
Why Authenticity Matters for Total Cost of Ownership
Counterfeit cylindrical roller bearings may save upfront costs, but they often fail prematurely due to substandard materials and poor manufacturing tolerances. A single bearing failure in automotive machinery can cause cascading damage to gears, shafts, and housings, leading to repair bills that dwarf initial savings. Our NTN bearings come with full traceability, ensuring compliance with ISO 9001 quality standards. By investing in genuine parts, you reduce unplanned downtime, lower maintenance frequency, and protect your equipment’s long-term reliability.
Your Trusted Partner for Bearing Procurement
With 1,100+ clients across 50+ countries, we’ve built our reputation on reliability and expertise. As an official NTN distributor, every bearing is sourced through authorized channels, with complete documentation to verify authenticity. Our ISO 9001 quality control system includes incoming inspections and pre-shipment checks, ensuring you receive bearings that meet OEM specifications. For mixed-brand projects, our cross-brand selection guidance helps optimize performance while managing costs. Whether you need a single emergency spare or bulk OEM supply, our flexible procurement process delivers consistent quality with minimal administrative hassle.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- Package Size: 44.00cm * 44.00cm * 10.00cm
- Package Gross Weight: 57.000kg
- Global shipping via DHL, FedEx, UPS, air, or sea freight
- Real-time logistics tracking provided for all orders
- 1 piece minimum order quantity supported for emergency needs
Get Your NTN Bearings Delivered Fast
Don’t let bearing procurement delays disrupt your production schedule. Send us your NJ340EM or NJ344EM bearing requirements, including quantity and application details, and we’ll provide a unified quotation within one working day. With stock available for immediate shipment, we can help you minimize downtime and keep your automotive machinery running smoothly.
Frequently Asked Questions
Q: Are these genuine NTN bearings?
A: Yes, we are an official authorized distributor of NTN. All bearings are sourced through official channels and come with complete traceability documentation.
Q: How do I confirm if the NJ340EM is suitable for my equipment?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our technical team will verify compatibility and offer selection guidance.
Q: What is your warranty policy?
A: We adhere to NTN's original warranty standards, covering manufacturing defects with unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece to support emergency maintenance needs.
Q: How long does shipping take?
A: In-stock items ship within 3-7 working days via your preferred logistics (DHL/FedEx/UPS/air/sea).
Q: How can I verify the authenticity of the bearings?
A: Each bearing includes NTN's original packaging with防伪标签 and laser marking. We provide official authorization documents for verification.
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NJ340EM NJ344EM NTN Japan Cylindrical Roller Bearings for Automotive Machinery with OEM Supply
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