Deep Groove Ball Bearing
<p> <strong> N203em NJ203em محمل أسطواني عالي الدقة
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

<p> <strong> N203em NJ203em محمل أسطواني عالي الدقة

Experience smoother, more reliable machinery performance with our High Precision Cylindrical Roller Bearing, designed to minimize vibration and extend equipment lifespan. The NSK Koyo N203em NJ203em models deliver consistent precision, ensuring your operations run with minimal downtime and maximum efficiency.

  • Choose between grease or oil lubrication to match your specific application needs
  • Available in 17*35*8mm specification with Z1V1-Z3V3 vibration grades for tailored performance
  • Rich stock availability means fast delivery by express, road, train, air, or sea—so you get what you need when you need it
  • OEM/ODM services available to customize the bearing to your exact requirements

Technical Specifications
Product Name
<p> <strong> N203em NJ203em محمل أسطواني عالي الدقة
Category
Deep Groove Ball Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable
Request a Quote WhatsApp Inquiry

15+ Certified Engineers On-Call

Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.

مواصفات المنتج

معامل

تفاصيل

رقم الطراز

16003-2Z، 4203ATN9، 430ATN9

قطر التجويف (d)

17 مم

القطر الخارجي (D)

35 مم

العرض (B)

8 مم

توافر المخزون

الأسهم ذات العائد المرتفع

نوع التشحيم

الشحم أو الزيت

فئة الاهتزاز

,

,

خيارات الخدمة

OEM، ODM

وسائل التسليم

إكسبرس، بري، قطار، جوي، بحري

توفر العينة

متوفر

معدل التسليم في الموعد المحدد

100.0%

زمن الاستجابة

أقل من 0.5 ساعة

حزمة النقل

صندوق كرتوني، منصة نقالة

BDL، ،

، NMB،
    ،
  • ،

الأصل

الصين

رمز النظام المنسق

8482102000

Trademarks Available

ملاءمة التطبيق

الصناعة

التطبيقات النموذجية

معدات الأتمتة

أنظمة النقل، الآلات الدقيقة

الآلات الصناعية

المضخات الهيدروليكية والمحركات الكهربائية

السيارات

محاور العجلات، مكونات النقل

هل تحتاج إلى محامل أسطوانية عالية الدقة؟ تجنب الأخطاء الشائعة في عملية الشراء

Many buyers struggle with finding the right cylindrical roller bearings—whether it’s matching obscure model numbers across brands, dealing with long lead times, or discovering premature failures from substandard components. When your equipment relies on precise motion control, choosing the wrong bearing can lead to costly downtime and repairs.

مصممة لتوفير أداء ثابت في التطبيقات الصعبة

Our NSK Koyo N203em NJ203em high precision cylindrical roller bearings address these challenges directly. With interchangeable dimensions following international standards, they fit seamlessly into existing equipment designs. Backed by ISO 9001 certified production processes, each bearing undergoes strict dimensional and hardness testing to ensure reliability. Whether used in automated manufacturing lines or industrial gearboxes, these bearings deliver the precision and durability required for continuous operation.

أداء مثالي في بيئات ذات أحمال معتدلة وسرعات عالية

This cylindrical roller bearing excels in applications with radial loads and moderate axial loads, operating efficiently at speeds up to 15,000 RPM depending on lubrication and cooling conditions. Its design features a separable inner or outer ring, simplifying installation and maintenance in tight spaces. The Z1V1 to Z3V3 vibration classes allow selection based on noise sensitivity—critical for precision instruments and quiet operation requirements.

الميزات الهندسية الرئيسية التي تؤثر على الموثوقية

The 17x35x8mm dimension ensures compatibility with common shaft and housing configurations, while the high-grade grease technology provides effective lubrication under varying temperatures. Cylindrical roller bearings distribute load evenly across the rolling elements, reducing stress concentration compared to ball bearings—making them ideal for applications with heavy radial loads. The precision class maintains tight tolerances, minimizing runout and ensuring smooth rotation, which is essential for maintaining product quality in machining operations.

لماذا تقلل المحامل الدقيقة التكلفة الإجمالية للملكية

Choosing a high precision cylindrical roller bearing may seem like a higher initial investment, but it pays off through extended service life and reduced maintenance. Inferior bearings often fail prematurely due to inconsistent material hardness or poor dimensional accuracy, leading to unplanned downtime and replacement costs. Our bearings’严格的质量控制 ensures predictable performance, allowing for accurate maintenance scheduling and lowering overall operational expenses. When calculating total cost, consider not just the purchase price but also the savings from fewer replacements and less production disruption.

جودة يمكنك الاعتماد عليها

All bearings are produced under ISO 9001 quality management systems, with raw material inspection and finished product testing for dimensions, hardness, and surface treatment. We offer a warranty against manufacturing defects, ensuring you receive bearings that meet specified performance standards. With rich stock availability, we can fulfill orders quickly, reducing lead times for your production needs. Our ability to source from multiple trusted brands, including NSK and Koyo, ensures you get the right bearing for your application—whether you need an exact replacement or a compatible alternative.

Packaging & Shipping

  • Standard packaging includes cartons with pallet options for bulk orders
  • Stock items ship within 24 hours of order confirmation
  • Flexible shipping methods: express (DHL, FedEx), air freight, or sea freight based on urgency and destination
  • Low minimum order quantity supported, ideal for both small maintenance needs and large production runs

احصل على عرض أسعار محامل الأسطوانات الأسطوانية اليوم

Whether you need the N203em, NJ203em, or any other cylindrical roller bearing model, we can provide pricing and availability quickly. Simply share the bearing model, dimensions, required quantity, and destination, and our team will respond within 0.5 hours. With our extensive inventory and multi-brand sourcing capability, we make it easy to get the bearings you need when you need them.

الأسئلة المتكررة

Q: Do you supply bearings from other brands besides NSK and Koyo?

A: Yes, we source bearings from a wide range of international and domestic brands, including NTN, NMB, NACHI, Timken, and BDL, as well as custom OEM options.

س: كيف يمكنني التأكد من أن هذا المحمل مناسب لمعداتي؟

A: Provide your equipment model or existing bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the N203em/NJ203em specifications.

س: ما هي سياسة الضمان الخاصة بكم بالنسبة لهذه المحامل؟

A: We offer a warranty against manufacturing defects. The specific warranty period is determined by the application and will be detailed in your order confirmation.

س: ما هي الكمية الدنيا للطلب بالنسبة لهذا المحمل؟

A: We support low minimum order quantities, including single-unit purchases for maintenance needs, with volume discounts available for larger orders.

س: كم يستغرق الشحن إلى [موقعي]؟

A: Shipping time depends on the method selected. Express delivery typically takes 3-5 days, air freight 5-7 days, and sea freight 20-30 days to most major destinations.

س: هل يمكنكم تصنيع محامل مخصصة وفقًا لمواصفاتي؟

A: Yes, we offer OEM and ODM services for custom bearing designs. Provide your technical drawings or performance requirements, and we can develop a solution tailored to your needs.

Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us via email or phone for immediate assistance.

Wind Power

Main shaft, gearbox, and generator bearings for onshore and offshore wind turbines. Engineered for 20+ year service life.

Mining & Heavy Industry

Crushers, conveyors, and processing equipment bearings designed to withstand shock loads and contaminated environments.

Steel & Metallurgy

Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.

Automotive & EV

Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.

Precision Machinery

Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.

General Industrial

Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.

01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

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

24h

Quote Response

78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

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.

Contact Engineering Team

-- Get In Touch

Request a Technical Consultation & Quote

Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.

Address

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.

Product Inquiry Form

Regarding: <p> <strong> N203em NJ203em محمل أسطواني عالي الدقة

Response within 24 hours · Free engineering consultation · No obligation

ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

-- Related Products

More Deep Groove Ball Bearing Products

SKF Authorized Engineering Partner

Need technical support or a custom solution?

15+ certified engineers ready to help. Response within 24 hours.

Request a Quote WhatsApp Us