Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
Need Technical Advice?
Reply within 12 hours · 15+ certified engineers on call
Cylindrical Roller Bearing
High Quality Nu420em Nu421em Nu422em Cylindrical Roller Bearing
Ensure smooth, reliable machinery performance with our precision-engineered High Quality Nu420em Nu421em Nu422em Cylindrical Roller Bearing. Designed to minimize friction and maximize load capacity, this cylindrical roller bearing delivers consistent operation even in high-torque applications, reducing costly downtime and extending equipment lifespan.
- Engineered with optimized raceway geometry to distribute stress evenly, preventing premature wear in heavy-duty industrial settings
- Precision-machined components ensure tight tolerances for seamless integration, eliminating the frustration of misalignment issues
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
Especificações do Produto
Parâmetro
Detalhes
Adequação da Aplicação
Indústria
Aplicações Típicas
Máquinas de Engenharia
Energia Eólica
Mineração
Metalurgia do Aço
Suportes de laminador, equipamento de lingotamento contínuo
Automação
Finding the right cylindrical roller bearing for your equipment can be challenging. Mismatched dimensions lead to installation failures, while low-quality bearings often cause early wear, resulting in unexpected downtime. With so many brands and standards in the market, sourcing replacements that meet your exact specifications takes valuable time. Our High Quality Nu420em, Nu421em, and Nu422em Cylindrical Roller Bearings address these challenges through ISO 9001 certified manufacturing processes and comprehensive quality testing. As a supplier with access to both our own brand and international brands like SKF, NSK, and NTN, we can source the exact cylindrical roller bearing you need—whether for a hydraulic system in construction machinery or a precision automation application. These cylindrical roller bearings excel in high radial load environments with moderate axial loads, typical in gearboxes, electric motors, and industrial pumps. Designed to operate within standard temperature ranges, they maintain performance in both dry and lubricated conditions, making them suitable for diverse industrial settings from steel mills to wind turbines. Principais Características de Engenharia para Longevidade
The Nu420em, Nu421em, and Nu422em series incorporate precision ground raceways that minimize friction and enhance load distribution. Their cylindrical roller design allows for high radial load capacity, while the cage structure ensures proper roller alignment during operation. Surface hardness testing confirms resistance to wear, extending service life in high-cycle applications. Dimensional accuracy ensures interchangeability with major international standards, simplifying replacement and reducing inventory costs. Por que a Qualidade dos Rolamentos Impacta os Custos Operacionais Totais
Choosing the right cylindrical roller bearing directly affects your equipment’s reliability and maintenance expenses. Inferior bearings with substandard material hardness often fail prematurely, leading to unplanned downtime, repair costs, and potential damage to adjacent components. Our bearings, manufactured to strict quality standards, reduce these risks by providing consistent performance over extended service intervals, lowering your total cost of ownership. Qualidade em que Você Pode Confiar
Our manufacturing and inspection processes comply with ISO 9001 standards, ensuring consistent quality from raw material selection to final product testing. Each bearing undergoes dimensional verification, hardness testing, and surface finish inspection before shipment. We provide a warranty against manufacturing defects, with clear terms for replacement or refund. With access to a wide range of brands and models, we can fulfill orders according to your specific requirements, and our inventory system supports quick response to urgent requests. Embalagem industrial neutra com envoltório protetor para evitar danos durante o transporte
Opções de envio flexíveis, incluindo courier expresso, frete aéreo e frete marítimo
Whether you need the Nu420em, Nu421em, Nu422em, or any other cylindrical roller bearing model, we can provide competitive pricing and availability. Share your exact bearing model, dimensions, and quantity requirements, and our team will respond promptly with a tailored quote. Perguntas Frequentes
P: Você fornece rolamentos de outras marcas além da sua?
A: Yes, we offer a comprehensive range of bearings including international brands like SKF, NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese brands. We can source and supply according to your specified brand requirements. Q: Como posso garantir que este rolamento se encaixa no meu equipamento?
A: Provide your equipment model or the bearing’s dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with standard specifications to confirm proper fit. Q: What warranty do you offer on these cylindrical roller bearings? A: We provide a warranty against manufacturing defects. Specific warranty terms, including duration, will be detailed in your order confirmation and are subject to standard industry conditions. Q: Qual é a quantidade mínima de pedido para esses rolamentos?
A: We accept low minimum order quantities, including single-unit purchases, to support both small maintenance needs and large production runs. Q: How quickly can you ship the bearings after ordering? A: Bearings in stock are typically shipped within 1-2 business days. Shipping time depends on the selected method—express courier (2-5 days), air freight (5-7 days), or sea freight (varies by destination). Q: Can you provide custom (OEM/ODM) cylindrical roller bearings? A: Yes, we support custom bearing manufacturing based on your technical drawings, specifications, or sample requirements for specialized applications. Ready to order or need a quote?
Hydraulic cylinder pivot points, conveyor drive systems
Pitch control mechanisms, generator bearings
Crusher rollers, conveyor belt tensioners
Robotic arm joints, precision linear guides
Need Reliable Cylindrical Roller Bearings? Here’s What Matters
Built for Consistent Performance in Demanding Conditions
Optimal Performance in Heavy Load Applications
Packaging & Shipping
Get a Quote for Your Cylindrical Roller Bearing Requirements
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact our sales team via email or phone for immediate assistance.
Product Summary
- Product Name
- High Quality Nu420em Nu421em Nu422em Cylindrical Roller Bearing
- Category
- Cylindrical Roller 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 | Cylindrical Roller 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
High Quality Nu420em Nu421em Nu422em Cylindrical Roller Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
Related Products
More Cylindrical Roller Bearing Products
Cylindrical Roller Bearing
High Precision N224EM/NJ224EM Cylindrical Roller Bearing
Cylindrical Roller Bearing
China High Precision NU310EM NUP310EM Cylindrical Roller Bearing
Cylindrical Roller Bearing