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TS 16949
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Needle Bearing
Bdl NK29/20 NK29/30 NK30/20 Needle Roller Bearings
Experience smoother, more reliable machinery performance with precision-engineered Needle Roller Bearings designed to handle high radial loads without sacrificing space. The Bdl NK29/20, NK29/30, and NK30/20 models deliver consistent rotational efficiency, reducing wear on critical components even in tight installations.
- Optimized needle cage design minimizes friction for extended service life in demanding applications
- Precision-ground raceways ensure quiet operation, ideal for equipment where noise reduction matters
- Direct interchangeability with industry-standard dimensions simplifies replacement and maintenance
7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
Especificaciones del Producto
Parámetro
Detalles
Idoneidad de la Aplicación
Industria
Aplicaciones Típicas
Equipo de Automatización
Sistemas Hidráulicos
Maquinaria Industrial
Selecting the right needle roller bearing often means sifting through countless catalogs to find exact replacements for worn components. Missteps here lead to costly downtime—either from bearings that don’t fit or fail prematurely under load. With so many brands and standards in the market, getting the right part quickly can feel like searching for a needle in a haystack. Su fuente única para rodamientos de rodillos de aguja difíciles de encontrar
Our NK29/20, NK29/30, and NK30/20 needle roller bearings eliminate these frustrations. As a supplier with access to both our own production and major international brands, we provide interchangeable dimensions that match common industry standards. Whether you need a direct replacement for existing equipment or a solution for new designs, our现货库存 ensures you get the parts you need without long lead times. These needle roller bearings excel in applications where radial space is limited but high load capacity is critical. With their slender roller design, they deliver superior load distribution compared to traditional ball bearings—making them ideal for hydraulic cylinders, robotic arms, and precision machine tools. Operating temperatures ranging from -30°C to 120°C ensure performance stability in most industrial environments, while their precision-machined raceways minimize vibration during high-speed rotation. Características clave de ingeniería que impactan en el rendimiento
The performance of these needle roller bearings hinges on critical design elements. Their outer diameter (D) and width (B) tolerances adhere to ISO standards, ensuring seamless interchangeability with existing installations. The hardened steel construction (typically 58-62 HRC) provides the surface hardness needed to resist wear in heavy-duty applications. Unlike some alternatives, these bearings maintain consistent radial clearance, preventing binding under thermal expansion—a common issue in poorly manufactured units. Por qué los rodamientos de calidad reducen el costo total de propiedad
Choosing inferior needle roller bearings may save upfront costs, but the hidden expenses add up quickly. Early failure due to substandard materials can damage adjacent components, leading to unplanned maintenance and production stoppages. Our bearings, produced under ISO 9001-certified processes, undergo rigorous dimensional and hardness testing to ensure they meet load rating specifications. This reliability translates to longer service intervals and lower overall maintenance costs over the equipment lifecycle. Calidad en la que puedes confiar
Every bearing in our inventory meets strict quality standards. Our production and inspection processes are ISO 9001 certified, with raw material testing and finished product checks for dimensions, hardness, and surface integrity. We stand behind our products with a manufacturer’s warranty covering defects in materials and workmanship. Whether you need a single bearing or a bulk order, we source from trusted global and domestic brands to ensure consistent performance. stock disponible para despacho inmediato
Opciones de envío flexibles: mensajería exprés, transporte aéreo o transporte marítimo
Bajo mínimo de pedido, apoyando tanto reparaciones pequeñas como grandes producciones
Obtenga su cotización de rodamientos de agujas hoy Ready to secure the NK29/20, NK29/30, or NK30/20 needle roller bearings you need? Provide us with the specific model, quantity, and delivery location, and our team will respond with pricing and availability within 24 hours. We also handle custom inquiries—just share your technical requirements, and we’ll help identify the right solution for your application. Preguntas Frecuentes
Q: Can you supply other needle roller bearing models or brands? A: Yes, we support inquiries for all needle roller bearing models and brands. Our network includes both international and domestic manufacturers, allowing us to source to your exact specifications. P: ¿Cómo confirmo si estos rodamientos son compatibles con mi equipo?
A: Provide the bore diameter (d), outer diameter (D), and width (B) of your existing bearing, along with any brand markings. Our technical team will cross-reference these details to ensure compatibility. P: ¿Cuál es su política de garantía para estos rodamientos? A: We offer a standard warranty against manufacturing defects. The warranty period and terms are specified in each order confirmation, with coverage for replacement or refund in case of verified defects. P: ¿Cuál es la cantidad mínima de pedido?
A: We accept low minimum orders, including single units for emergency repairs. For bulk orders, we can provide volume pricing based on quantity. Q: ¿Qué tan rápido pueden enviar estos rodamientos?
A: Most models are in现货库存 and ship within 1-2 business days. For larger orders or special requirements, lead times will be confirmed at the time of inquiry. Q: Do you offer custom needle roller bearings? A: Yes, we support OEM/ODM customization. Share your technical drawings or specifications, and we can produce bearings tailored to your application. Ready to order or need a quote?
Linear motion systems, precision machine slides
Cylinder rod guidance, piston assemblies
Conveyor mechanisms, gearbox components
Needle Roller Bearings NK29/20, NK29/30, NK30/20: Solving Your Sizing and Reliability Challenges
Engineered for High Load, Low Friction Environments
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@example.com | +1-234-567-8901
Product Summary
- Product Name
- Bdl NK29/20 NK29/30 NK30/20 Needle Roller Bearings
- Category
- Needle Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Get a Custom Quote
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Needle Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
Get a custom quote for
Bdl NK29/20 NK29/30 NK30/20 Needle Roller Bearings
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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