Self-Aligning Ball Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Self-Aligning Ball Bearing
NSK NTN 1208 1208K 1209 1209K Self Aligning Ball Bearing
Keep your machinery running smoothly with reliable Self Aligning Ball Bearing solutions designed to minimize downtime and reduce maintenance headaches. Our NSK NTN 1208, 1208K, 1209, and 1209K models automatically compensate for shaft misalignment, ensuring consistent performance even in imperfect installations.
- Precision ratings from P0 to P2 and clearances C0/C3/C4 let you tailor performance to your exact application needs
- Durable steel or brass cages handle radial loads with stability, backed by 10-15 day delivery for quick replacements
- 40*80*18 mm specification (1208 model) fits standard industrial setups, made from high-grade bearing steel for long service life
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
| 1208 |
| 40*80*18 mm |
Adequação da Aplicação
| Rotary tables, robotic arms with misalignment |
| Vibrating screens, crusher components |
| Rolling mill guide rollers, continuous casting machines |
1208 Self Aligning Ball Bearing: Solving Misalignment and Reliability Issues
Many maintenance managers face unexpected downtime when standard bearings fail due to shaft misalignment or poor material quality. Sourcing the right replacement across different brands like NSK or NTN can also delay repairs, especially when dealing with multiple suppliers. This 1208 self aligning ball bearing addresses these common challenges with engineering-focused solutions.
Designed for Heavy-Duty Misalignment Scenarios
This 1208 self aligning ball bearing handles radial loads while compensating for shaft misalignment up to 2-3 degrees, ideal for applications like conveyor belt pulleys or agricultural machinery where precise alignment is hard to maintain. With ISO 9001 certified production processes and access to both our BDL brand and international models, we provide consistent quality whether you need a single unit or bulk orders.
Desempenho Ótimo em Ambientes Exigentes
Operating in temperatures from -30°C to 120°C, this double-row bearing features a 60° contact angle that balances load distribution and alignment capability. The unseparated design ensures easy installation, while the steel or brass cage options accommodate different speed requirements—brass cages for higher rotational velocities up to 6000 RPM in industrial fans, steel cages for heavy shock loads in construction equipment. The 40mm bore diameter and 80mm outer diameter (18mm width) follow international dimensional standards, ensuring interchangeability with major brands. Precision ratings from P0 to P2 allow customization—P5 for CNC machine tools requiring tight runout control, P0 for general industrial use. Clearance options (C0 standard, C3 for thermal expansion in high-temperature applications) prevent premature failure from improper internal spacing. Bearing steel construction delivers surface hardness of HRC 58-62, critical for resisting wear in dusty mining environments. Custo Total de Propriedade Além do Preço Inicial
Choosing the correct self aligning ball bearing reduces long-term costs significantly. A劣质 bearing with substandard clearance may vibrate excessively, leading to seal damage and lubricant leakage—costing 3-5 times the bearing price in repairs. Our bearings undergo dimensional testing (tolerance ±0.005mm on key surfaces) and hardness verification to ensure 80,000+ hours of service life in standard conditions, aligning with ISO 281 fatigue life calculations. Qualidade em que você pode confiar
Every 1208 bearing undergoes raw material inspection for chemical composition and inclusion content before entering production. Finished products are tested for radial play, rotational torque, and surface finish to meet DIN 620 standards. We provide a 12-month warranty against manufacturing defects, with clear documentation of inspection reports available upon request. Our multi-brand sourcing network ensures we can supply both this BDL model and equivalent NSK/NTN versions, supporting customers with mixed-brand equipment fleets. Whether you need the standard 1208 model, 1208K variant with taper bore, or equivalent from NSK/NTN, provide your required specifications and quantity. Our technical team can verify compatibility with your equipment based on load, speed, and environmental factors, ensuring you get the right bearing for the job. Perguntas Frequentes Q: Você pode fornecer outras marcas ou modelos de rolamentos autocompensadores de esferas?
A: Yes, we support inquiries for all major brands including SKF, NSK, NTN, Koyo, and domestic Chinese brands, as well as custom specifications. Q: How do I confirm if this 1208 bearing fits my equipment? A: Provide your equipment model or existing bearing dimensions (bore x outer diameter x width), and our engineers will cross-verify compatibility with international standards. Q: Qual é a sua política de garantia para rolamentos?
A: We offer a 12-month warranty covering manufacturing defects. Defective products will be replaced or refunded, with specific terms outlined in the sales contract. P: Qual é a quantidade mínima de pedido para este rolamento?
A: We accept small orders with no minimum quantity, supporting both emergency replacements and large-scale production requirements. Q: How long does shipping take to [destination]? A: Standard delivery is 10-15 days. For urgent orders, express shipping can reduce lead time to 3-5 days depending on location. Q: Do you offer OEM/ODM services for bearings? A: Yes, we support custom bearing production with customer-specified materials, cages, and branding, based on technical drawings or samples. Ready to order or need a quote?Engineering Details That Impact Service Life
Packaging & Shipping
Get a Custom Quote for Your 1208 Bearing Needs
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
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Product Summary
- Product Name
- NSK NTN 1208 1208K 1209 1209K Self Aligning Ball Bearing
- Category
- Self-Aligning 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 | Self-Aligning 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
NSK NTN 1208 1208K 1209 1209K Self Aligning Ball Bearing
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