-- SKF Authorized Engineering Partner
Ensure smooth instrument performance with precision-engineered NSK Deep Groove Ball Bearing solutions, designed to minimize friction and extend equipment lifespan. These 6220zz, 6221zz, and 6222zz models deliver reliable rotation for sensitive instruments, backed by P0/P6/P5 precision ratings to meet strict tolerance demands.
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
مواصفات المنتج
معامل
تفاصيل
رقم الطراز
، تصنيف الدقة
P0، P6، P5
خدمة
OEM، ODM
علامة تجارية
/ الأصل
الصين
رمز النظام المنسق
8482109000
ملاءمة التطبيق
الصناعة
التطبيقات النموذجية
الأدوات
المكونات الميكانيكية الدقيقة، وأجهزة القياس، وأنظمة التحكم
أتمتة
المجموعات الدوارة الصغيرة، وأنظمة النقل، والآليات الروبوتية
هل تحتاج إلى محامل كروية ذات أخدود عميق موثوقة للأجهزة؟ تجنب الأخطاء الشائعة
غالبًا ما يواجه مصنعو الأجهزة تحديات في اختيار المحامل — إما في صعوبة العثور على بدائل مطابقة تمامًا للطرازات التي توقف إنتاجها، أو في التعامل مع حالات الأعطال المبكرة الناتجة عن عدم تطابق الدقة. كما أن الاعتماد على عدة موردين لتوريد قطع غيار لعلامات تجارية وطرازات مختلفة يزيد من تعقيد عملية الشراء، مما يؤدي إلى تأخير الجداول الزمنية للإنتاج.
مصمم لتحقيق أداء ثابت في تطبيقات الأجهزة
تتصدى سلسلة محامل الكرات ذات الأخدود العميق الأداء الأمثل في بيئات الأجهزة الدقيقة
صُممت هذه المحامل الكروية ذات الأخدود العميق للاستخدامات ذات الأحمال المنخفضة إلى المتوسطة، وتتميز بأدائها المتميز في الأجهزة التي تتطلب دورانًا سلسًا واهتزازًا ضئيلًا. ويوفر تصميمها المُحكم (zz) الحماية من الغبار والشوائب الشائعة في بيئات الورش، مما يحافظ على الأداء في درجات الحرارة التشغيلية المعتادة للأجهزة الصناعية. وتضمن درجات الدقة التوافق مع التجميعات ذات التفاوتات الضيقة، وهو أمر بالغ الأهمية لمعدات المعايرة وأجهزة القياس.
الميزات الهندسية الرئيسية لضمان موثوقية الأجهزة
The P0/P6/P5 precision classes directly impact rotational accuracy—P5 rated bearings reduce runout by up to 30% compared to standard P0, essential for optical and laser instruments. The double shield (zz) construction eliminates the need for frequent relubrication, a significant advantage in sealed instrument enclosures where maintenance access is limited. Dimensionally consistent with NSK’s established 62-series standards, these bearings ensure drop-in replacement compatibility with existing instrument designs, reducing redesign costs. لماذا تقلل المحامل الدقيقة من التكاليف الإجمالية لملكية الأجهزة
Choosing the correct deep groove ball bearing directly affects instrument uptime and calibration intervals. Bearings with insufficient precision can introduce measurement errors, requiring costly recalibration. In contrast, these bearings’ tight tolerances maintain accuracy over longer service intervals, reducing maintenance downtime. While cheaper alternatives may save upfront costs, their higher failure rates often lead to unplanned repairs and production delays—making precision bearings a more economical choice over the instrument lifecycle. ضمان الجودة الذي يمكنك التحقق منه
Every bearing undergoes dimensional inspection to ensure compliance with stated tolerances, with surface hardness testing confirming material integrity. Our ISO 9001 certification covers the entire production process, from raw material verification to final packaging. We provide a standard质保 period covering manufacturing defects, with clear terms outlined in each order. For custom requirements, our OEM/ODM services allow modification of shield type, lubrication, and packaging to match specific instrument designs. التعبئة والتغليف القياسية: صندوق كرتوني مع خيارات الشحن بالجملة على منصات نقالة للطلبات الكبيرة
احصل على عرض أسعار «بيرينغ» اليوم
Whether you need the NSK 6220zz, 6221zz, 6222zz series or other instrument-grade bearings, provide your required model, quantity, and delivery location. Our team will confirm stock availability and provide a competitive quote within 24 hours, helping you maintain production schedules with minimal delays. الأسئلة المتكررة
س: هل يمكنكم توريد ماركات أو طرازات أخرى من المحامل غير مدرجة في القائمة؟ A: Yes, we support inquiries for all major international and domestic brands across various bearing types, including deep groove, angular contact, and spherical roller bearings. Q: How do I confirm if this bearing fits my instrument? A: Provide the required bore diameter (d), outer diameter (D), width (B), and any specific tolerance class. Our technical team can cross-reference dimensions with your equipment specifications. س: ما هي سياسة الضمان الخاصة بكم بالنسبة لهذه المحامل؟
A: We offer a standard warranty against manufacturing defects. Specific terms, including duration, are detailed in each sales contract and cover replacement or refund for verified material or production issues. س: ما هي الكمية الدنيا للطلب من هذه السلسلة من المحامل؟
A: We accept small orders, with minimum quantities varying by model. Contact us with your specific requirements for exact MOQ information. س: ما هي المدة التي تستغرقها عملية الشحن بعد تقديم الطلب؟
A: In-stock items typically ship within 1-2 business days. For larger or custom orders, lead times are provided at the time of quotation. Q: Do you offer customized bearing solutions for special instrument designs? A: Yes, our OEM/ODM services allow customization of bearing features such as shield configuration, lubrication type, and packaging to meet unique application requirements. Ready to order or need a quote?
،
و
Packaging & Shipping
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 inquiry form for immediate assistance.
Main shaft, gearbox, and generator bearings for onshore and offshore wind turbines. Engineered for 20+ year service life.
Crushers, conveyors, and processing equipment bearings designed to withstand shock loads and contaminated environments.
Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.
Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.
Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.
Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.
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
24h
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.
-- Get In Touch
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.
Regarding: <p> 6220zz 6221zz 6222zz محمل كروي ذو أخدود عميق للأجهزة
-- Related Products
SKF Authorized Engineering Partner
Need technical support or a custom solution?
15+ certified engineers ready to help. Response within 24 hours.
