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Experience smooth, precise linear motion in your machinery with our high-performance Lmh Linear Motion Bearing. Designed to eliminate friction-related delays, this oval flange bearing ensures consistent operation even under radial loads, keeping your equipment running at peak efficiency. Crafted from durable bearing steel and available in multiple precision ratings (P0-P2), it delivers reliable performance across industrial applications.
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| Parameter | Details |
|---|---|
| Model Number | NJ420, NJ422EM, NJ424EM, NJ426EM, NJ428EM |
| Bearing Type | Cylindrical Roller Bearing |
| Outer Dimension | 35mm-180mm |
| Specification | 100*250*58 mm |
| Material | Bearing Steel, Chrome Steel, Ceramic, Nylon |
| Cage | Iron Cage, Brass Cage, Nylon Cage |
| Precision Rating | P0, P6, P5, P4, P2 |
| Load Direction | Radial Bearing |
| Spherical | Non-Aligning Bearings |
| Aligning | Non-Aligning Bearing |
| Separated | Separated |
| Seals Type | Open |
| Lubricate | Oil, Grease, Dry |
| Vibration | V1, V2, V3, V4 |
| Rows Number | Single, Double, Four Rows |
| Structure | Cylindrical |
| Standard | DIN, GB, ISO, JIS |
| Service | OEM, ODM |
| Origin | China |
| HS Code | 8482500090 |
| Industry | Typical Applications |
|---|---|
| Automation Equipment | Linear motion systems, conveyor mechanisms |
| Industrial Machinery | Hydraulic systems, power transmission units |
| Steel Metallurgy | Rolling mill equipment, material handling systems |
| General Engineering | Precision linear guides, reciprocating motion components |
Many procurement teams face delays when sourcing cylindrical roller bearings—either due to mismatched dimensions across brands or uncertainty about material suitability for specific loads. Choosing the wrong precision class or cage material can lead to premature wear, especially in high-vibration industrial environments. With countless models and standards available, finding a reliable supplier that offers both off-the-shelf and custom options is critical to minimizing downtime.
Our cylindrical roller bearings, including models like NJ420 and NJ422EM, are designed to address these challenges. As a supplier with extensive experience across bearing types—from deep沟球 to spherical roller bearings—we maintain ISO 9001-certified quality control, ensuring each unit meets DIN, ISO, or JIS standards. Whether you need a single row for light radial loads or four rows for heavy-duty applications, our inventory covers a wide range of outer dimensions (35mm-180mm) and materials, including bearing steel and ceramic options, to suit your exact requirements.
This cylindrical roller bearing excels in scenarios with high radial loads, such as in steel mill conveyors or hydraulic piston rods. The separated design allows for easy mounting and dismounting, a key advantage in maintenance-heavy industries. With non-aligning properties, it performs best in systems where shaft and housing alignment is precise, delivering stable operation even under continuous vibration (V1-V4 ratings). The open seal type makes it suitable for applications where frequent lubrication (oil, grease, or dry) is required.
The material selection directly affects bearing life: chrome steel offers a balance of hardness and cost for general use, while ceramic options reduce weight and heat generation in high-speed applications. Cage material also plays a critical role—brass cages provide strength for heavy loads, iron cages offer durability in high temperatures, and nylon cages reduce noise in precision equipment. Precision ratings (P0-P2) ensure dimensional accuracy; for automated machinery requiring tight tolerances, P5 or P4 grades minimize runout and improve system repeatability. The radial load design ensures efficient power transmission, making it ideal for gearboxes and rotary tables.
Selecting a bearing based solely on upfront cost often leads to higher expenses later. A low-quality cylindrical roller bearing with substandard material hardness may fail prematurely, causing unplanned downtime and potential damage to adjacent components. Our bearings undergo strict hardness and dimensional testing, aligning with ISO 281 guidelines for fatigue life calculation. By choosing the correct precision class and cage type upfront, you reduce maintenance frequency and extend equipment life, ultimately lowering total cost of ownership.
Our production and inspection processes are ISO 9001 certified, ensuring consistent quality from raw material testing to final dimensional checks. Each bearing undergoes surface hardness and precision measurements before shipment. We offer a warranty against manufacturing defects, with clear terms for returns and replacements. With access to both our own brand and major international standards, we can source or produce bearings to match your specified brand dimensions. Our inventory includes common models like NJ424EM and NJ426EM, supporting quick turnaround for urgent orders.
Whether you need the NJ420, NJ428EM, or a custom cylindrical roller bearing, provide us with the model number, dimensions (d x D x B), and quantity. Our team will verify specifications and deliver a competitive quote, along with lead time details. Early confirmation helps secure inventory and ensures timely delivery—contact us today to streamline your bearing procurement process.
Q: Can you supply bearings from other brands or models not listed here?
A: Yes, we support inquiries for all bearing brands and models. We can source or produce bearings according to your specified brand, dimensions, or standards.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment’s required bearing dimensions (bore diameter, outer diameter, width), load type, and operating conditions. Our technical team will cross-verify compatibility with the NJ series specifications.
Q: What is your warranty policy for these bearings?
A: We offer a warranty against manufacturing defects. Specific terms, including duration, are outlined in the sales contract, and defective products can be returned or replaced as per agreement.
Q: What is the minimum order quantity for this cylindrical roller bearing?
A: We support low minimum order quantities, allowing for small-scale purchases or trial runs before larger commitments.
Q: How quickly can you ship the NJ420 or NJ422EM bearings?
A: Stock models typically ship within 3-5 days. For larger quantities or
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Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
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Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
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No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
Regarding: Lmh13/16/20/25/30uu Oval Flange Linear Motion Bearing
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