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
Bdl NJ217em NJ218em NJ219em Cylindrical Roller Bearing
Experience smoother, longer-lasting machinery performance with the Bdl NJ217em, NJ218em, and NJ219em series cylindrical roller bearing. These precision-engineered components reduce friction and minimize downtime, ensuring your equipment runs at peak efficiency when you need it most.
- Optimized cage design enhances load distribution for consistent operation under heavy radial stress
- Precision-ground raceways deliver quiet performance, ideal for noise-sensitive applications
- Robust construction withstands high-speed rotations, extending service intervals and lowering maintenance costs
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 Construção
Pontos de pivô de cilindro hidráulico, eixos de caixa de câmbio
Equipamentos Industriais
Automotivo
Suportes de laminador, equipamento de lingotamento contínuo
Procuring the right cylindrical roller bearings often means sifting through confusing model variations across metric and imperial standards. Many buyers face downtime when substitute bearings fail due to incorrect load ratings or poor dimensional accuracy. Sourcing from multiple suppliers for different brands only adds complexity to your supply chain. Our Bdl NJ217em, NJ218em, and NJ219em cylindrical roller bearings solve these challenges through interchangeable dimensions with major international standards. As a professional bearing supplier with ISO 9001-certified quality processes, we maintain extensive inventory across full product lines, enabling quick fulfillment of both standard and hard-to-find models. Whether your application requires precise radial load handling in hydraulic systems or heavy-duty performance in mining equipment, our bearings deliver consistent performance. These cylindrical roller bearings excel in applications with high radial loads and moderate speeds, typical in industrial gearboxes, electric motor shafts, and machine tool spindles. Their design accommodates thermal expansion while maintaining alignment, making them suitable for operating temperatures ranging from -30°C to 120°C. Proper selection based on dynamic load ratings is critical for preventing premature wear in continuous-duty machinery like conveyor drives and pumps. Principais Características de Engenharia para Longa Vida Útil
The NJ-series cylindrical roller bearings feature a separable inner ring design, simplifying installation and maintenance in confined spaces. Precision-ground raceways ensure uniform load distribution across rolling elements, reducing stress concentrations that cause fatigue failure. Surface hardness of HRC 58-62 on raceways and rollers provides excellent wear resistance, while controlled clearance levels minimize vibration in high-speed applications. This combination of design features directly contributes to extended bearing life in heavy industrial environments. Custo Total de Propriedade: Por Que a Qualidade Importa Mais do Que o Preço
Choosing bearings based solely on initial cost often leads to higher expenses downstream. Inferior materials with inadequate hardness result in early spalling and increased equipment vibration, leading to unscheduled downtime and potential damage to adjacent components. Our bearings, manufactured to strict dimensional tolerances, reduce these risks by maintaining proper fit and load distribution—ultimately lowering maintenance costs and extending equipment service intervals. Following ISO 281 fatigue life calculation principles, we help customers select bearings that match application requirements for optimal performance. Qualidade em que Você Pode Confiar
Our manufacturing and inspection processes comply with ISO 9001 standards, including rigorous raw material testing and dimensional verification of finished products. Each bearing undergoes hardness testing and surface finish inspection to ensure conformance with industry specifications. We provide a warranty against manufacturing defects, with clear terms for replacement or refund. Our extensive network includes partnerships with global and domestic brands, allowing us to source or supply bearings according to customer-specified standards. With substantial现货库存, we support rapid response to urgent order requirements. Estoque em mãos disponível para despacho imediato
Opções flexíveis de envio: correio expresso, frete aéreo ou transporte marítimo
Baixa quantidade mínima de pedido, suportando tanto testes quanto compras em grande quantidade
Provide your required model (NJ217em, NJ218em, NJ219em or other specifications), quantity, and delivery location, and we’ll prepare a competitive quote with lead time. Our technical team can assist with cross-referencing if you need alternatives to existing brands. The sooner you confirm your requirements, the faster we can arrange shipment. Perguntas Frequentes
P: Você fornece rolamentos de outras marcas além da sua?
A: Yes, we support inquiries for all major international and domestic bearing brands, providing products according to customer-specified models and standards. P: Como posso confirmar se esses rolamentos são compatíveis com meu equipamento?
A: Provide your existing bearing dimensions (bore, outside diameter, width) or equipment model number, and our technical team will verify compatibility with the NJ217em/NJ218em/NJ219em series. A: We provide a warranty period against manufacturing defects. Specific terms are outlined in each sales contract, with options for replacement or refund in case of verified quality issues. Q: Qual é a quantidade mínima de pedido para esses rolamentos?
A: We offer low minimum order quantities, supporting small-batch purchases for maintenance or trial installations, as well as large-volume orders for production needs. Q: Com que rapidez vocês podem enviar após o pedido?
A: For 现货库存 items, we typically ship within 1-3 business days. Shipping time depends on the selected method: express courier (3-5 days), air freight (5-7 days), or sea transport (3-4 weeks). Q: Você oferece personalização OEM/ODM para rolamentos de rolos cilíndricos?
A: Yes, we support custom bearing production according to customer-provided drawings, specifications, or sample requirements for specialized applications. Ready to order or need a quote?
Conveyor systems, material handling machinery
Transmission components, axle assemblies
Steel & Metallurgy
Need NJ217em, NJ218em, NJ219em Cylindrical Roller Bearings? Avoid Common Procurement Pitfalls
Your Single Source for Reliable NJ-Series Cylindrical Roller Bearings
Optimized Performance in Demanding Operating Conditions
Packaging & Shipping
Get Your NJ-Series Bearing Quote Today
Q: Qual é a sua política de garantia para esses rolamentos de rolos cilíndricos?
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 on our website
Product Summary
- Product Name
- Bdl NJ217em NJ218em NJ219em 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
Bdl NJ217em NJ218em NJ219em Cylindrical Roller Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
Related Products
More Cylindrical Roller Bearing Products
Cylindrical Roller Bearing
BDL 30214/30315/32216 Tapered Roller Bearing – High Quality, Low Price
Cylindrical Roller Bearing