Deep Groove Ball Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
Need Technical Advice?
Reply within 12 hours · 15+ certified engineers on call
Deep Groove Ball Bearing
618/670 Deep Groove Ball Bearing China Supplier Machinery Auto Parts
Ensure smooth, reliable performance in your machinery and auto applications with the 618/670 Deep Groove Ball Bearing, designed to handle radial loads with precision. Crafted from high-quality Bearing Steel and featuring a 0° contact angle, this single-row bearing delivers consistent operation even under demanding conditions, minimizing downtime and extending equipment lifespan.
- Precision-engineered dimensions (670*820*69mm) for seamless integration into industrial systems
- Trusted NTN quality from global origins, ensuring compatibility with international machinery standards
- Optimized design reduces friction and wear, keeping your operations running efficiently
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
| 618/670 |
| 670*820*69mm |
| NTN |
Adequação da Aplicação
| Machinery | Industrial equipment, rotating machinery components |
| Automotive drivetrain systems, wheel assemblies |
Need a Reliable 618/670 Deep Groove Ball Bearing? Avoid These Common Pitfalls
Finding the right deep groove ball bearing for heavy-duty machinery can be frustrating. Many buyers face issues with incorrect dimensions leading to installation failures, or low-quality bearings that wear prematurely, causing costly downtime. Sourcing from multiple suppliers just to compare brands and lead times only adds to the complexity.
Projetado para desempenho consistente em aplicações exigentes
The 618/670 deep groove ball bearing addresses these challenges with precision engineering and versatile compatibility. As a professional bearing supplier, we maintain ISO 9001 certified inspection processes to ensure each unit meets strict quality standards. With access to a wide range of international brands including NTN, SKF, NSK, and domestic manufacturers, we can source the exact bearing you need—whether for machinery repair or automotive production lines. This deep groove ball bearing excels in applications requiring radial load support with minimal friction. Its single-row design and 0° contact angle make it ideal for high-speed rotating components in machinery and automotive systems, where smooth operation and durability are critical. The 670mm bore diameter and 820mm outer diameter provide robust load-carrying capacity, suitable for heavy-duty equipment operating under continuous stress. Principais Características de Engenharia que Impactam a Confiabilidade
The bearing steel construction ensures excellent hardness and wear resistance, critical for withstanding the demands of industrial environments. At 69mm width, it offers a balance between load capacity and compact design, allowing integration into space-constrained assemblies. The precise dimensional tolerance (670*820*69mm) ensures interchangeability with major international standards, simplifying replacement and reducing inventory costs. Unlike non-precision bearings, its controlled contact angle minimizes axial play, enhancing stability in high-speed applications. Por que escolher o rolamento certo reduz o custo total
Investing in a quality deep groove ball bearing like the 618/670 reduces long-term operational costs. Inferior bearings often fail early due to substandard materials or imprecise manufacturing, leading to unplanned maintenance, equipment downtime, and potential damage to adjacent components. This bearing’s robust construction and strict quality control help prevent these issues, extending service life and reducing the total cost of ownership. By selecting a bearing that matches your application’s load and speed requirements, you avoid the hidden expenses of frequent replacements. Qualidade em que você pode confiar
Our 618/670 deep groove ball bearings undergo comprehensive testing, including dimensional verification, hardness testing, and surface finish inspection, to ensure compliance with industry standards. We provide a质保期 to cover manufacturing defects, giving you confidence in your purchase. With extensive现货库存, we can fulfill orders quickly, and our flexible采购渠道 allows us to source both standard and hard-to-find bearing models according to your specifications. Whether you need a single unit or bulk quantities, we support OEM/ODM定制 to meet unique application requirements. Embalagem padrão para garantir a proteção do produto durante o transporte
estoque disponível para despacho imediato
Múltiplas opções de frete incluindo expresso, aéreo e marítimo
Quantidade mínima de pedido baixa suportada para compras pequenas e grandes
Ready to secure the right deep groove ball bearing for your machinery or auto parts application? Provide us with the bearing model, required quantity, and delivery location, and we’ll deliver a competitive quote with lead time details. With our extensive brand coverage and technical expertise, we can help you find the perfect bearing solution—don’t delay your project, confirm your requirements today. Perguntas Frequentes P: Você suporta a aquisição de outras marcas e modelos de rolamentos?
A: Yes, we offer comprehensive bearing sourcing services covering all major international brands (SKF, NSK, NTN, Koyo, NACHI, IKO, FAG, Timken) and domestic quality brands, along with custom specifications as per customer requirements. Q: How can I confirm if this 618/670 bearing fits my equipment? A: Provide your equipment’s bearing dimensions (bore diameter, outer diameter, width) or original model number, and our technical team will verify compatibility with the 618/670 specifications. Q: Qual é a sua política de garantia para rolamentos?
A: We provide a质保期 for all bearings, covering manufacturing defects. Specific terms and duration are detailed in the sales contract, with replacement or refund available for verified quality issues. P: Qual é a quantidade mínima de pedido para este rolamento?
A: Apoiamos quantidades mínimas de pedido baixas, permitindo compras em pequenos lotes para necessidades de teste ou manutenção, bem como pedidos de grande volume para produção.
Q: Quais são os prazos de envio e opções de logística?
A: In-stock bearings are shipped immediately. We offer flexible logistics including express courier (3-5 days), air freight (5-7 days), and sea freight (20-30 days) based on your urgency and location. Q: Can you provide OEM/ODM customization for bearings? A: Yes, we support OEM/ODM services, including custom dimensions, materials, and packaging, based on customer-provided drawings or specifications. Ready to order or need a quote?Optimal Performance in High-Load Rotating Systems
Packaging & Shipping
Get Your 618/670 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.
{{联系方式}}
Product Summary
- Product Name
- 618/670 Deep Groove Ball Bearing China Supplier Machinery Auto Parts
- Category
- Deep Groove Ball 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 | Deep Groove Ball 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
618/670 Deep Groove Ball Bearing China Supplier Machinery Auto Parts
NDA protected · Free samples for orders > $50K · Reply within 12 hours
Related Products
![Japan Original NSK 61902 61903 61904 61905 Deep Groove Ball Bearing for Farming Machinery [WARN] draft identifier mismatch](https://skfip.com/wp-content/uploads/2026/09/japan-original-nsk-61902-61903-61904-61905-deep-groove-ball-bearing-for-farming-machinery-warn-draft-identifier-mismatch-4368f5.avif)
