Timken Bearing Catalog
Full-line OEM supply -- tapered roller, spherical roller, cylindrical, angular contact and more. ISO 9001 traceable. Ships to 45+ countries.
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Cylindrical Roller Bearing NU224EM NU226EM NU228EM for Heavy Machinery ISO 9001
<p>Ensure uninterrupted heavy machinery performance with our <strong>Cylindrical Roller Bearing</strong>—engineered for high load capacity and long service life in construction, mining, and industrial applications. This NU224EM/NU226EM/NU228EM series features separated open design for easy installation and maintenance, paired with ISO 9001-certified quality that eliminates compliance documentation gaps.</p> <ul> <li>Single row radial structure with precision rating options (P0-P2) ensures stable operation under extreme working conditions</li> <li>120*215*40mm specification (NU224EM) delivers optimal load distribution for heavy-duty equipment</li> <li>Direct authorized supply guarantees traceable batch consistency, keeping production schedules on track</li> </ul> <p>Backed by our technical support team for failure analysis and model selection, these bearings reduce downtime risks while meeting global industrial standards.</p>
Model
Cylindrical Roller Bearing NU224EM NU226EM NU228EM for Heavy Machinery ISO 9001
| Brand | Timken (Genuine) |
| Bore (d) | -- |
| O.D. (D) | -- |
| Width (B) | -- |
| Standard | ISO / ABEC |
| Material | Gcr15 / 52100 Steel |
| Availability | In Stock |
| Lead Time | 1-3 Business Days |
Product Overview
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | NU224EM |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Separated | Separated |
| Product Name | Cylindrical Roller Bearing |
| Structure | Cylindrical |
| Seals Type | Open |
| Lubricate | Oil Grease Dry |
| Precision Rating | P0 P6 P5 P4 P2 |
| Number of Row | Single Row |
| Specification | 120*215*40mm |
| Trademark | SKF NSK NTN TIMKEN KOYO |
| Origin | China |
| HS Code | 8482500090 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Construction Machinery | Excavators, Loaders, Bulldozers |
| Mining | Crushers, Conveyors, Mining Trucks |
| Steel & Metallurgy | Rolling Mills, Continuous Casters |
| Wind Power | Wind Turbine Gearboxes |
| Marine Engineering | Propulsion Systems, Deck Machinery |
Stop Equipment Downtime with Reliable Cylindrical Roller Bearings NU224EM NU226EM NU228EM
OEM manufacturers across heavy industries face recurring challenges: counterfeit bearings causing premature failures, multi-tier distribution delays disrupting production schedules, and inadequate technical support increasing downtime risks. In construction and mining operations, a single bearing failure can halt entire production lines, resulting in thousands of dollars in daily losses.
Genuine Heavy Machinery Bearings with Traceable Supply
As an official Timken distributor, we provide ISO 9001 compliant Cylindrical Roller Bearings designed for heavy-duty applications. Our NU224EM, NU226EM, and NU228EM bearings feature separated open designs, making them ideal for radial load environments in construction machinery, mining equipment, and steel mills. With direct access to brand supply chains, we eliminate counterfeit risks and ensure batch consistency critical for OEM production.
Optimal Performance in Demanding Work Conditions
These Radial Cylindrical Roller Bearings excel in high-load, continuous-operation scenarios. The single-row cylindrical structure delivers exceptional radial load capacity, while the separated design allows for easy installation and maintenance—essential for equipment like crushers and conveyors operating in dust-intensive mining environments. Whether承受 heavy shock loads in construction machinery or high rotational speeds in steel mill rollers, these bearings maintain performance integrity under extreme conditions.
Key Technical Features Driving Reliability
The NU224EM bearing's 120mm bore diameter, 215mm outer diameter, and 40mm width balance load capacity with compact installation requirements—a critical factor for gearbox and motor applications where space is limited. Available precision ratings from P0 to P2 ensure suitability for both general industrial use and high-precision machinery. The bearing steel construction provides excellent durability, while compatibility with oil, grease, or dry lubrication options allows adaptation to specific operating environments. These technical attributes directly translate to longer service life and reduced maintenance intervals for your equipment.
Why Authentic Bearings Matter for Total Cost of Ownership
Non-genuine Heavy Machinery Bearings may offer lower upfront costs but often result in hidden expenses: premature failures requiring emergency replacements, increased energy consumption due to poor tolerances, and potential damage to mating components. Our ISO 9001 bearings, sourced through authorized channels, provide full traceability documentation—critical for customs clearance and quality liability protection. Over the bearing's lifecycle, the reliability of authentic components reduces total ownership costs by minimizing downtime and maintenance requirements.
Our Strengths as Your Bearing Supplier
With 45+ countries served and a focus on heavy-duty OEM supply, we bring specialized expertise to your procurement process. Our core strengths include: official traceable supply directly from manufacturers, large stock of heavy-duty models for immediate fulfillment, dedicated load calculation and failure analysis teams, global heavy cargo logistics capabilities, and customized OEM supply schemes. Every bearing undergoes full-process quality control, ensuring compliance with ISO 9001 standards from warehouse to delivery. Our technical team provides application-specific guidance, helping you select the optimal bearing for your equipment's operating conditions.
Packaging & Shipping
- Carton and pallet packaging with protective measures to prevent damage during transit
- Stock availability for prompt dispatch, supporting urgent maintenance needs
- Flexible global logistics options including express courier, air, and sea freight
- Real-time shipment tracking for full supply chain visibility
- Support for small-batch trial orders and large-volume OEM requirements
Secure Your Bearing Supply Today
Don't let bearing-related downtime affect your production targets. Whether you need NU224EM, NU226EM, NU228EM, or other cylindrical roller bearings, sending your model list and quantity requirements will initiate our 24-hour quotation process. Our streamlined ordering system ensures you get the right bearings when you need them, minimizing equipment idle time.
Frequently Asked Questions
Q: Are these bearings genuine Timken products?
A: Yes, we are an official Timken distributor, and all products come with brand authorization and traceability certificates to ensure authenticity.
Q: How can I confirm the correct bearing model for my equipment?
A: Our technical team can assist with model selection based on your equipment specifications, operating conditions, and load requirements. Provide your application details for personalized guidance.
Q: What is your warranty policy?
A: We offer warranty coverage in accordance with manufacturer standards, including replacement for any manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, supporting both emergency repairs and small-batch requirements.
Q: How long does shipping take?
A: Stock items are typically shipped within 3-7 working days. Delivery time depends on your location and chosen logistics method.
Q: How can I verify the authenticity of the bearings?
A: Each bearing comes with traceability documentation. You can also verify authenticity through manufacturer-provided checks, including packaging features and product markings.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
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Need A Load Calculation?
Our Engineers Help You Select.
Submit your working condition -- shaft diameter, radial/axial load, speed, temperature, duty cycle -- and our Timken-certified engineers will calculate the optimal bearing specification, rated life (L10h) and lubrication scheme within 24 hours.
- Dynamic & static load rating calculation (ISO 281)
- L10h rated life estimation for your duty cycle
- Failure analysis for premature bearing damage
- Customized OEM replacement scheme with traceability docs
Genuine Timken. Fully Traceable.
Every bearing we supply carries full origin documentation -- mill certificate, batch code, authorization letter and compliance records. Zero counterfeit risk.
Authorization Document
Shanghai Dunyu Bearing Co., Ltd.
Official Authorized Timken Distributor
We hold official authorization from Timken Company to distribute their full bearing product line in China and globally. Our authorization covers tapered roller, spherical roller, cylindrical roller, angular contact, deep groove ball, and specialty bearings for heavy industrial applications.
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