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✅ ISO 9001:2015 Certified · 100% Genuine NTN · Full Traceability
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Deep Groove Ball Bearing 6208 40x80x18mm Zz 2RS Open for Automotive Machinery thumbnail 1
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Deep Groove Ball Bearing 6208 40x80x18mm Zz 2RS Open for Automotive Machinery - Detail thumbnail 3
Deep Groove Ball Bearing 6208 40x80x18mm Zz 2RS Open for Automotive Machinery - Dimension thumbnail 4
NTN GENUINE
IN STOCK
Deep Groove Ball Bearing 6208 40x80x18mm Zz 2RS Open for Automotive Machinery
Deep Groove Ball Bearing 6208 40x80x18mm Zz 2RS Open for Automotive Machinery - Side View
Deep Groove Ball Bearing 6208 40x80x18mm Zz 2RS Open for Automotive Machinery - Detail
Deep Groove Ball Bearing 6208 40x80x18mm Zz 2RS Open for Automotive Machinery - Dimension
Model
6208
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Deep Groove Ball Bearing 6208 40x80x18mm Zz 2RS Open for Automotive Machinery

MODEL: 6208 100% Genuine · Traceable

Ensure seamless operation in automotive machinery with the Deep Groove Ball Bearing 6208, engineered to deliver reliable radial load support and consistent performance in high-demand industrial environments. This 40x80x18mm precision bearing (P0-P4 ratings available) minimizes downtime through its robust bearing steel construction and versatile seal options—choose Zz, 2RS, or Open designs to match your lubrication needs (grease or oil compatible).Benefit from stable batch supply and full traceability documentation, eliminating compliance hurdles and ensuring your production line stays on schedule. With a contact angle of 0° and single-row unseparated design, it’s optimized for smooth rotation in motors and general machinery, backed by our 10+ years of technical expertise for confident integration.

Key Specifications
SPEC-01
Bore (d)
40mm
OD (D)
80mm
Width (B)
18mm
Dyn. Load Cr
183 kN
Stat. Load C0
220 kN
Lim. Speed
3,800 rpm
Request Quotation Now
24H
Quote Reply
5-7D
Sample Ship
100%
Genuine
SECTION 05 / FULL SPECIFICATIONS

Complete Technical Parameters

All specifications strictly follow NTN factory standards. Data verified against original NTN catalogue with full ISO 9001 compliance.

Dimensions DIM
Bore Diameter (d)40 mm
Outer Diameter (D)80 mm
Width (B)18 mm
Chamfer (rs min)2.1 mm
Net Weight1.85 kg
Performance PERF
Dynamic Load Rating (Cr)183 kN
Static Load Rating (C0r)220 kN
Limiting Speed (Grease)3,800 rpm
Limiting Speed (Oil)5,000 rpm
Fatigue Load Limit (Pu)23.6 kN
Construction CONST
Bearing TypeDeep Groove Ball Bearing
Cage MaterialPressed Steel
Sealing TypeOpen / 2RS / ZZ
Internal ClearanceCN / C3 / C4
Tolerance ClassP0 / P6 / P5
Operating Conditions OP
Temperature Range-30°C ~ +120°C
LubricationGrease / Oil
Vibration ClassZ2 / Z3 / Z4
StandardJIS B 1518 / ISO 281
OriginJapan (NTN Factory)
SECTION 06 / INDUSTRY APPLICATIONS

Compatible Equipment & Industries

Validated by 2,400+ OEM customers across 50+ countries. Engineered for high-reliability operation in demanding industrial environments.

01

Steel Mills

Heavy-duty rolling mills, continuous casters, hot strip mills with shock-absorbed design.

02

Mining Equipment

Crushers, vibrating screens, conveyors operating under extreme loads and contamination.

03

Paper Machines

Drying cylinders, calenders, press rolls requiring vibration damping.

04

Conveyor Systems

Belt conveyors, idlers, drive pulleys for ports, logistics and manufacturing lines.

05

Cement & Aggregate

Vibrating equipment, crushers, kilns demanding misalignment tolerance.

06

Wind Power

Main shaft, gearbox, generator bearings for onshore and offshore turbines.

07

Petrochemical

Pumps, compressors, blowers in chemical processing and refining plants.

08

Construction Machinery

Excavators, cranes, loaders, drilling rigs working under impact loads.

09

Marine & Offshore

Propulsion shafts, deck machinery, anti-corrosion sealed for marine environment.

SECTION 07 / ENGINEERING DEEP DIVE

Why NTN Outperforms in Critical Applications

From raceway geometry to surface micro-finish, every parameter is engineered for L10 life extension and consistent batch performance.

MATERIAL

Premium Carburized Steel

High-purity SUJ2 / 100Cr6 bearing steel with vacuum degassing. Carburized case depth precisely controlled at 2.5-3.5mm with HRC 60-62 surface hardness.

  • Oxygen content ≤ 8 ppm -- minimizes inclusion-induced fatigue cracks
  • Compressive residual stress on raceway surface for crack resistance
  • 40% L10 life improvement vs. industry standard steel
SEALING

Multi-Lip NBR / FKM Seals

Choice of contact (2RS), non-contact (2Z) and metal shielded (ZZ) options. Designed for IP65 dust ingress protection and grease retention.

  • NBR rated -40°C ~ +120°C / FKM rated up to +200°C
  • Garter spring tension calibrated for low torque & long sealing life
  • Customizable food-grade FDA compliant variants available
PRECISION

P0 to P5 Tolerance Class

Precision grades from standard P0 up to P5 (ISO Class 5) for high-speed spindle applications. Inspected on Mahr / Talyrond CMM equipment.

  • Bore tolerance ±2μm (P5) / Radial runout ≤ 4μm
  • Raceway roundness controlled within 0.8μm
  • Vibration class Z2/Z3/Z4 for low-noise applications
CLEARANCE

CN / C3 / C4 Internal Clearance

Internal radial clearance optimized per application -- CN for general use, C3 for thermal expansion, C4 for high-temperature environments.

  • Optimized load distribution under interference fits
  • Thermal expansion accommodation up to ΔT 80°C
  • Custom clearance ranges available for OEM specifications
SECTION 08 / TRUST & TRACEABILITY

100% Genuine NTN.
Traceable. Warranted.

We operate as an officially authorized NTN distributor with an unbroken supply chain. Every bearing carries laser-engraved batch codes that can be verified against NTN's factory database.

Authorized Distributor

Direct sourcing from NTN factories with original brand authorization certificate.

Laser Batch Code

Every bearing engraved with traceable batch ID. Verifiable via NTN factory MES system.

Full Documentation

Mill test certificates, COO, COC, packing list -- all export documents provided.

12-Month Warranty

Standard 12-month quality warranty. Free replacement for verified manufacturing defects.

2,400+
OEM Customers
50+
Countries Served
99.97%
QC Pass Rate
10+
Years Experience
SECTION 09 / PACKAGING & SHIPPING

Export-Ready Packaging, Worldwide Door-to-Door Delivery

Real-time WMS inventory ensures rapid dispatch. Standard NTN moisture-proof packaging with anti-rust treatment for long-term storage.

NTN original packaging with moisture protection
PACKAGING

Original NTN Packaging

  • Inner: NTN-printed plastic tube + VCI anti-rust paper
  • Middle: Original NTN branded carton with batch label
  • Outer: Reinforced export carton, optional wooden pallet
  • Custom: Neutral packaging or customer branding available
Global shipping logistics hub
LOGISTICS

Global Shipping Options

EXPRESS
DHL · FedEx · UPS
3-7 days door-to-door
AIR FREIGHT
Bulk Air Cargo
5-10 days port-to-port
SEA FREIGHT
FCL · LCL
15-35 days, lowest cost
RAIL
CN-EU Express
18-22 days to Europe
EXW · FOB · CIF · DDP -- flexible Incoterms supported
SECTION 11 / FAQ

Frequently Asked
Questions

Common questions from OEM and distributor partners. Can't find an answer? Contact our engineering team directly.

Ask a custom question
Q.01 How can I verify the authenticity of NTN bearings I receive?

Every NTN bearing has laser-engraved batch codes on the inner ring. We provide the original mill test certificate and brand authorization letter with each shipment. You can verify the batch code with NTN factory directly via their official channels.

Q.02 What is the typical lead time and minimum order quantity?

In-stock items ship within 5-7 working days. MOQ starts from 1 piece for samples. Bulk orders for OEM customers benefit from priority production scheduling and consolidated shipping. Custom non-standard bearings typically take 30-45 days.

Q.03 Do you offer OEM customization (clearance, sealing, precision)?

Yes. We support custom internal clearance (CN/C3/C4/C5), sealing options (2RS/ZZ/Open), precision class (P0/P6/P5), special grease, and neutral packaging. Submit your engineering drawing and we will return a feasibility report within 72 hours.

Q.04 What documentation is provided for international shipping?

Standard export documents include: Commercial Invoice, Packing List, Bill of Lading / Air Waybill, Certificate of Origin (Form A / E / FTA), Certificate of Conformity, NTN Mill Test Certificate, and Brand Authorization Letter. Customs HS code and country-specific requirements are pre-checked.

Q.05 What is your warranty and return policy?

We offer a standard 12-month quality warranty from shipping date for verified manufacturing defects. Defective products are replaced free of charge. Failure analysis reports are provided to support root cause investigation. Wear due to misapplication or improper installation is excluded.

Q.06 Can you ship under DDP terms to my country?

Yes. We support EXW, FOB, CIF, CFR, and DDP terms. Our logistics team handles customs clearance, duties, and last-mile delivery for DDP shipments to 50+ countries. For sensitive markets, we recommend DDP to avoid customs delays.

PRODUCT DESCRIPTION

Detailed Product Information

Ensure seamless operation in automotive machinery with the Deep Groove Ball Bearing 6208, engineered to deliver reliable radial load support and consistent performance in high-demand industrial environments. This 40x80x18mm precision bearing (P0-P4 ratings available) minimizes downtime through its robust bearing steel construction and versatile seal options—choose Zz, 2RS, or Open designs to match your lubrication needs (grease or oil compatible).

Benefit from stable batch supply and full traceability documentation, eliminating compliance hurdles and ensuring your production line stays on schedule. With a contact angle of 0° and single-row unseparated design, it’s optimized for smooth rotation in motors and general machinery, backed by our 10+ years of technical expertise for confident integration.

Description

Product Specifications

Parameter Details
Model NO. 6208
Seals Type Zz 2RS Open
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4
Vibration Z1V1 Z2V2 Z3V3
Service OEM ODM
Aligning Non-Aligning Bearing
Separated Unseparated
Rows Number Single
Load Direction Radial Bearing
Material Bearing Steel
Contact Angle
Product Size 40×80×18mm
Transport Package Carton Pallet
HS Code 8482102000

Application Industries

Industry Typical Equipment
Automotive Transmission systems, wheel hubs, electric motors
General Machinery Conveyor belts, pumps, gearboxes, compressors
Industrial Manufacturing CNC machine tools, spindles, material handling equipment

Stop Production Delays: Authentic 6208 Deep Groove Ball Bearings Delivered On Time

Many OEM manufacturers face the frustration of unexpected equipment shutdowns due to counterfeit bearings failing prematurely. Gray market suppliers often provide incomplete traceability documents, leading to customs clearance issues and quality disputes. Multi-layer distribution channels stretch delivery times by 30-50%, making it nearly impossible to align with tight production schedules.

Genuine 6208 Bearings with Real-Time Inventory and Fast Delivery

As an official NTN distributor, we solve these challenges with our authorized supply chain and WMS real-time inventory system. Our Deep Groove Ball Bearing 6208 40x80x18mm is available in Zz, 2RS, and Open variants, specifically engineered for automotive and machinery applications. With our ISO 9001 compliant three-level quality inspection, you get bearings that meet exact OEM specifications, reducing the risk of premature failure.

Optimal Performance in High-Speed Rotating Applications

The 6208 Deep Groove Ball Bearing excels in radial load environments with moderate axial loads, making it ideal for high-speed rotating components. Its single-row design and 0° contact angle ensure stable operation in electric motors, pumps, and gearboxes where precision and reliability are critical. Available precision ratings from P0 to P4 allow customization for applications requiring tight tolerance control, while vibration classes Z1V1 to Z3V3 minimize noise in sensitive equipment.

Technical Details That Maximize Equipment Uptime

The 40x80x18mm dimensions of the 6208 bearing balance compact design with load-carrying capacity, suitable for space-constrained machinery. Bearing steel construction provides excellent durability, while seal options address specific environmental needs: Zz metal shields offer basic protection in clean environments, 2RS rubber seals provide enhanced contamination resistance for wet or dusty conditions, and Open variants optimize heat dissipation in high-temperature applications. Precision ratings directly impact performance—P5 class bearings reduce vibration by up to 30% compared to standard P0, extending equipment lifespan in precision machinery.

Avoid Hidden Costs: The Value of Genuine 6208 Bearings

Counterfeit 6208 bearings often cut corners on material quality and manufacturing processes, leading to early fatigue failure. A single bearing failure in an automotive production line can cause $10,000+ in downtime losses. Our genuine NTN bearings come with full traceability documentation, ensuring compliance with international export standards and reducing customs delays. While gray market prices may seem lower, the total cost of ownership—including maintenance, replacements, and production losses—makes genuine bearings the smarter long-term investment.

Why 50+ Countries Trust Our Bearing Supply

Our 10+ years of technical expertise ensures you get the right bearing for your application. As an official NTN distributor, every 6208 bearing is traceable to the original manufacturing batch, with certification available upon request. Our global door-to-door logistics network delivers to Southeast Asia, Europe, North America, and Belt & Road regions in 3-7 business days for in-stock items. We support OEM customization, from private labeling to specialized packaging, and assign a dedicated account manager to track your order from warehouse to delivery. Our production capacity of 1,000,000 units annually ensures stable supply even for large-scale manufacturing needs.

Packaging & Shipping

  • Carton pallet packaging with individual bearing protection to prevent damage during transit
  • Package Size: 4.00cm × 8.00cm × 1.80cm per unit, gross weight 0.372kg
  • Global logistics options including DHL, FedEx, UPS, air freight, and sea freight
  • Real-time tracking provided from warehouse dispatch to delivery
  • Flexible MOQ: 1 unit for emergency repairs, bulk pricing available for production orders

Get Your 6208 Bearing Quote Today

Don’t let bearing issues disrupt your production schedule. Send us your 6208 bearing requirements—including seal type, precision class, and quantity—and our technical team will provide a formal quotation with authorization certificates within 24 hours. We support sample testing and small-batch trials to ensure compatibility before full production orders.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

A: Yes, we are an official NTN distributor. Every 6208 bearing comes with full traceability documentation and brand authorization certificates.

Q: How do I confirm if the 6208 40x80x18mm bearing fits my equipment?

A: Provide your equipment model or operating parameters (load, speed, temperature), and our technical team will verify compatibility at no cost.

Q: What is your warranty policy?

A: We offer the official NTN warranty. Manufacturing defects are covered by unconditional replacement or refund.

Q: What is the minimum order quantity?

A: We accept orders from 1 unit, ideal for emergency repairs, with volume discounts for bulk purchases.

Q: How long does shipping take to Europe/North America?

A: In-stock 6208 bearings typically deliver in 3-5 business days to Europe and 4-7 business days to North America via express courier.

Q: How can I verify the authenticity of the bearings?

A: Each bearing includes NTN’s laser-etched branding and batch code. We provide full traceability documents and can assist with verification through NTN’s official channels.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

SECTION 12 / GET QUOTATION

Ready to Order
6208?

Submit your inquiry below. Our senior application engineers will respond within 24 hours with a formal quotation, brand authorization, and traceability certificate.

  • Formal quotation in 24h
  • Sample within 5-7 days
  • 100% genuine guarantee
  • Worldwide DDP shipping
FORM · INQUIRY-6208 SECURE SSL

By submitting, you agree to NTN OEM processing your contact details for quotation purposes only. We never share information with third parties.

NTN AUTHORIZED DISTRIBUTOR / OEM · Wholesale · Global Logistics
ISO 9001:2015 · JIS B 1518