-- SKF Authorized Engineering Partner
Ensure smooth, high-precision performance in your machinery with the BDL RNA4912 Needle Bearings and compatible RNA4913, RNA4914 models. Crafted from durable bearing steel, these radial bearings deliver reliable load handling while maintaining tight clearances (C0, C3, C4 options) to minimize vibration and extend equipment lifespan.
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
مواصفات المنتج
معامل
تفاصيل
رقم الطراز
محمل إبرى
اتجاه التحميل
محمل شعاعي
النمط
بدون حلقة خارجية، بدون حلقة داخلية
المادة
فولاذ المحامل
النوع
مغلق
اسم المنتج
محمل إبرى
تشحيم
الشحم أو الزيت
تصنيف الدقة
P0 P6 P5 P4 P2
التخفيضات C0 C3 C4
مدة التسليم
3-7 أيام{{ZKF_1}}
خدمة
OEM ODM
حزمة النقل
كرتون باليت
المواصفات
20*26*16 مم{{ZKF_1}}
علامة تجارية
BDL الأصل
الصين
رمز النظام المنسق
8482102000
القدرة الإنتاجية
1000000
ملاءمة التطبيق
الصناعة
التطبيقات النموذجية
معدات الأتمتة
أنظمة الحركة الخطية، الأذرع الروبوتية{{ZKF_1}}
الأنظمة الهيدروليكية
قضبان مكابس الأسطوانات، مشغلات هيدروليكية{{ZKF_1}}
الهندسة الميكانيكية
آليات النقل، مجموعات علب التروس{{ZKF_1}}
Many buyers face challenges when sourcing needle roller bearings—whether it’s finding the right dimensions across different standards, dealing with frequent maintenance issues in hard-to-reach applications, or ensuring consistent quality from suppliers. Misaligned specifications or subpar materials often lead to premature wear, unexpected downtime, and increased replacement costs. مصممة لتكون بديلاً مباشرًا ولعمر خدمة طويل
The BDL RNA4912, RNA4913, and RNA4914 needle roller bearings address these pain points with their precision manufacturing and versatile design. As a专业轴承供应商 with ISO 9001-certified production processes, we ensure each bearing meets strict dimensional tolerances (20*26*16 mm for the base specification) and material standards. The “without inner and outer ring” style allows for direct integration into housing and shaft assemblies, making them ideal for compact installations in automation equipment and hydraulic systems where space is limited. الأداء الأمثل في تطبيقات الأحمال الشعاعية
These radial bearings excel in applications with high radial loads and moderate speeds, such as conveyor rollers and gearbox linkages. The closed-type design prevents contamination ingress, while the bearing steel construction ensures durability under continuous operation. Available clearances (C0, C3, C4) accommodate thermal expansion in varying operating temperatures, reducing the risk of seizure during start-up or shutdown cycles. الميزات الهندسية الرئيسية لضمان التشغيل الموثوق
The precision rating options (P0 to P2) allow selection based on application requirements—P5 or P4 grades for high-precision machinery like robotic arms, and P0 for general industrial use. The ability to use either grease or oil lubrication provides flexibility: grease for maintenance intervals up to 500 operating hours in stationary applications, or oil bath lubrication for high-speed rotating components. Surface hardness testing during production ensures the bearing raceways meet industry standards, minimizing wear even under cyclic loading conditions. إجمالي تكلفة الملكية: لماذا الجودة مهمة
Choosing the right needle roller bearing directly impacts your equipment’s total cost of ownership. Inferior bearings with imprecise dimensions can cause shaft misalignment, leading to increased vibration and premature failure of adjacent components. Our BDL series, with its严格的成品检验流程, reduces these risks by ensuring consistent performance. While initial costs may be slightly higher than low-quality alternatives, the extended service life and reduced maintenance requirements result in lower long-term expenses—particularly in critical applications like automated production lines where downtime carries significant costs. جودة يمكنك الاعتماد عليها
Our manufacturing process adheres to ISO 9001 standards, with raw material inspections and finished product testing for dimensions, hardness, and surface treatment. We provide a warranty period covering manufacturing defects, with clear terms for replacement or refund. With extensive experience in both自有 brand and international品牌轴承 procurement, we can supply bearings that meet interchangeable dimensions with major international standards, ensuring compatibility with existing equipment. Our现货库存 allows for delivery within 3-7 days for standard models, supporting your production schedules. التغليف القياسي: صناديق كرتونية مع تكديس للطلبات الكبيرة
Whether you need the RNA4912, RNA4913, RNA4914, or other needle roller bearing models, our team can assist with technical specifications and availability. Provide your required model, quantity, and delivery location, and we’ll promptly share pricing and lead time details. Early confirmation ensures priority processing and faster shipment. الأسئلة المتكررة
س: هل توفرون محامل من علامات تجارية أخرى بخلاف BDL؟
A: Yes, we support inquiries for all major bearing brands and models, and can supply products according to customer-specified brands or standards. س: كيف يمكنني التأكد من أن هذا المحمل مناسب لمعداتي؟
A: Provide your equipment’s required bearing dimensions (d x D x B), load requirements, and operating conditions. Our technical team will verify compatibility with the BDL RNA series specifications. س: ما هي سياسة الضمان الخاصة بكم بالنسبة لهذه المحامل؟
A: We provide a warranty period covering manufacturing defects. Specific terms, including duration and coverage, are outlined in each sales contract. Q: What is the minimum order quantity for BDL RNA4912/13/14 bearings? A: We offer low minimum order quantities to support small-batch trials and prototyping, with competitive pricing for larger volume orders. س: كم تستغرق مدة الشحن، وما هي طرق التسليم المتاحة؟
A: In-stock items ship within 3-7 days. Delivery methods include express courier (3-5 days), air freight (5-7 days), or sea shipping (3-4 weeks), depending on your location and urgency. Q: Can you customize needle roller bearings according to specific requirements? A: Yes, we support OEM/ODM customization for non-standard dimensions, materials, or lubrication options based on customer-provided drawings or specifications. Ready to order or need a quote?
هل تواجه صعوبة في اختيار محامل الإبر الدوارة؟ توفر سلسلة BDL {{ZKF_2}} {{ZKF_3}} {{ZKF_4}} الموثوقية{{ZKF_1}}
Packaging & Shipping
Get Your BDL Needle Roller Bearing Quote Today
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
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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: BDL <|产品标题|> {{ZKF_1}} {{ZKF_2}} محامل إبرية عالية الجودة
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