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TS 16949
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Needle Bearing
Bdl Needle Roller Bearing Nk40/20 Nk40/30 Nk42/20 High Quality
Experience smoother, more reliable machinery performance with our precision-engineered Bdl Needle Roller Bearing options. Designed to handle high radial loads while maintaining compact dimensions, these bearings reduce friction and wear, ensuring your equipment runs longer between maintenance checks.
- Available in NK40/20, NK40/30, and NK42/20 configurations to fit your specific application needs
- High-quality construction minimizes vibration, protecting sensitive components from unnecessary stress
- Optimized needle roller design delivers consistent torque transfer, critical for precision-driven systems
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
Tipo de Rodamiento
Rodamiento de agujas
Número de modelo
Idoneidad de la Aplicación
Industria
Aplicaciones Típicas
Equipo de Automatización
Actuadores lineales, deslizadores de precisión
Sistemas Hidráulicos
Barras de pistón de cilindro , cilindros hidráulicos
Ingeniería Mecánica
Finding the right needle roller bearing for your equipment often means sifting through endless models with unclear specifications. Many buyers face downtime due to incorrect dimensions or premature wear from low-quality components. When every millimeter matters and replacement parts can’t wait, having a reliable supplier with comprehensive inventory becomes critical. The Bdl Needle Roller Bearing NK Series (NK40/20, NK40/30, NK42/20) addresses these challenges with interchangeable dimensions following international standards, ensuring compatibility with existing systems. Our ISO 9001 certified production process guarantees consistent quality, while our extensive inventory of needle roller bearings means you can source the exact model you need without delays. Ideal for high-load, limited-space applications like hydraulic cylinder assemblies and automated machinery linkages, these bearings deliver reliable performance where it counts. Needle roller bearings excel in applications with radial space constraints, providing high load capacity despite their compact design. The NK Series handles radial loads efficiently in rotating and oscillating motions, making them suitable for conveyor systems, machine tool spindles, and automotive transmissions. Operating temperatures typically range from -40°C to 120°C, ensuring stability in both industrial and mobile equipment environments. Proper lubrication is essential for maximizing service life, especially in high-speed or heavy-duty operations. Características clave de ingeniería para la longevidad
The NK40/20, NK40/30, and NK42/20 models feature precision-formed needle rollers that distribute load evenly across the raceway, reducing stress concentrations and minimizing wear. The cage design maintains roller spacing to prevent skewing, ensuring smooth rotation even under dynamic loads. Surface hardness of the bearing components meets industry standards, providing resistance to indentation and fatigue. Bore diameter (d), outside diameter (D), and width (B) dimensions are machined to tight tolerances, ensuring proper fit and alignment in assembled systems—critical factors for preventing vibration and extending equipment life. Selecting a substandard needle roller bearing may seem cost-effective initially, but the hidden expenses add up quickly. Early failure due to poor material quality can cause production downtime, damage to adjacent components, and increased maintenance labor. The NK Series, manufactured with strict quality controls, helps avoid these issues by delivering predictable performance. Following ISO 281 guidelines for bearing life calculation, proper selection based on load, speed, and operating conditions ensures your equipment runs efficiently, reducing total cost of ownership over time. Calidad en la que puedes confiar
Our needle roller bearings undergo comprehensive testing throughout the production process. Raw materials are inspected for chemical composition and mechanical properties before manufacturing. Finished products undergo dimensional checks, hardness testing, and surface finish analysis to ensure compliance with specifications. We stand behind our products with a warranty against manufacturing defects, providing peace of mind for your critical applications. With access to both our own brand and major international brands, we can source or supply the exact needle roller bearing you need, whether standard or custom. Embalaje neutro con envoltura protectora para prevenir daños durante el transporte
Opciones de envío flexibles que incluyen mensajería exprés, transporte aéreo y marítimo
Bajo mínimo de cantidad de pedido, apoyando tanto pedidos de mantenimiento pequeños como grandes producciones
Whether you need the NK40/20, NK40/30, NK42/20, or another needle roller bearing model, we can help. Provide your required dimensions, quantity, and delivery location, and our team will respond with competitive pricing and availability. With our extensive network, we can also source alternative brands if needed—saving you time and effort in supplier coordination. Preguntas Frecuentes
Q: ¿Suministran otras marcas o modelos de rodamientos de agujas?
A: Sí, apoyamos consultas para todas las principales marcas y modelos, y podemos suministrar rodamientos de acuerdo con la marca especificada o los requisitos dimensionales que usted indique.
Q: How can I confirm if the NK series bearing fits my equipment? A: Provide your equipment’s bearing dimensions (d x D x B) or OEM part number, and our technical team will verify compatibility with the NK40/20, NK40/30, or NK42/20 models. P: ¿Cuál es su política de garantía para estos rodamientos de agujas? A: We offer a warranty against manufacturing defects. Specific terms and duration are outlined in our sales contract, with replacement or refund available for verified quality issues. Q: What is the minimum order quantity for NK series bearings? A: We accept low minimum order quantities, including single-unit purchases for maintenance needs, with volume discounts available for larger orders. Q: How quickly can you ship the NK40/20, NK40/30, or NK42/20 bearings? A: Standard models are typically in stock for same-day or next-day dispatch. Shipping time depends on your location and chosen delivery method. Q: Can you provide custom needle roller bearings according to specific requirements? A: Yes, we support OEM/ODM customization for non-standard dimensions, materials, or configurations based on technical drawings or samples. Ready to order or need a quote?
NK40/20, NK40/30, NK42/20
Transmission components, linkage mechanisms
Struggling with Needle Roller Bearing Selection? The NK Series Makes It Simple
Precision Engineered for Demanding Applications
Optimal Performance in Tight Tolerance Environments
The True Cost of Choosing the Wrong Bearing
Packaging & Shipping
Get Your NK Series 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.
Contact us via email or our online form for prompt assistance.
Product Summary
- Product Name
- Bdl Needle Roller Bearing Nk40/20 Nk40/30 Nk42/20 High Quality
- 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 Needle Roller Bearing Nk40/20 Nk40/30 Nk42/20 High Quality
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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