🔥 Hot Stock Alert: Deep Groove Ball Bearings 6205-2RS -- 50,000+ units ready to ship
✅ ISO 9001:2015 Certified · 100% Genuine NTN · Full Traceability
📦 Global Door-to-Door · Quote within 24h
CNC Machinery NTN 6206 Deep Groove Ball Bearing 30x62x16mm for Gearbox OEM Supply thumbnail 1
CNC Machinery NTN 6206 Deep Groove Ball Bearing 30x62x16mm for Gearbox OEM Supply - Side View thumbnail 2
CNC Machinery NTN 6206 Deep Groove Ball Bearing 30x62x16mm for Gearbox OEM Supply - Detail thumbnail 3
CNC Machinery NTN 6206 Deep Groove Ball Bearing 30x62x16mm for Gearbox OEM Supply - Dimension thumbnail 4
NTN GENUINE
IN STOCK
CNC Machinery NTN 6206 Deep Groove Ball Bearing 30x62x16mm for Gearbox OEM Supply
CNC Machinery NTN 6206 Deep Groove Ball Bearing 30x62x16mm for Gearbox OEM Supply - Side View
CNC Machinery NTN 6206 Deep Groove Ball Bearing 30x62x16mm for Gearbox OEM Supply - Detail
CNC Machinery NTN 6206 Deep Groove Ball Bearing 30x62x16mm for Gearbox OEM Supply - Dimension
Model
6206
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

CNC Machinery NTN 6206 Deep Groove Ball Bearing 30x62x16mm for Gearbox OEM Supply

MODEL: 6206 100% Genuine · Traceable

Ensure your CNC machinery gearbox operates with uncompromised precision and reliability using the NTN 6206 deep groove ball bearing, engineered to deliver consistent performance in high-torque industrial environments. This 30x62x16mm Japan-manufactured bearing features premium bearing steel construction and grease/oil lubrication flexibility, directly addressing the critical need for traceable, batch-stable components that align with strict production schedules.Seamless integration with gearbox assemblies reduces downtime risks through NTN’s OEM-optimized designISO 9001-certified quality ensures full product traceability, simplifying compliance for global manufacturing operationsCustomizable options available to match specific CNC machinery requirements, supported by a 10+ year technical team for installation guidance

Key Specifications
SPEC-01
Bore (d)
30mm
OD (D)
62mm
Width (B)
16mm
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)30 mm
Outer Diameter (D)62 mm
Width (B)16 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 your CNC machinery gearbox operates with uncompromised precision and reliability using the NTN 6206 deep groove ball bearing, engineered to deliver consistent performance in high-torque industrial environments. This 30x62x16mm Japan-manufactured bearing features premium bearing steel construction and grease/oil lubrication flexibility, directly addressing the critical need for traceable, batch-stable components that align with strict production schedules.

  • Seamless integration with gearbox assemblies reduces downtime risks through NTN’s OEM-optimized design
  • ISO 9001-certified quality ensures full product traceability, simplifying compliance for global manufacturing operations
  • Customizable options available to match specific CNC machinery requirements, supported by a 10+ year technical team for installation guidance

Description

Product Specifications

Parameter Details
Model NO. 6206
Type Deep Groove Ball Bearing
Bore Diameter (d) 30mm
Outside Diameter (D) 62mm
Width (B) 16mm
Material Bearing Steel
Lubrication Grease or Oil
Specification 30*62*16mm
Trademark NTN
Origin Japan
HS Code 8482300000
Packaging Carton Pallet

Application Industries

Industry Typical Equipment
Manufacturing CNC Machinery, Gearboxes
Automotive Car Transmissions, Motors
Industrial Machinery Fans, General Machinery

Stop Gearbox Failures — Genuine NTN 6206 Deep Groove Ball Bearings Delivered Fast

CNC machinery operators know the cost of unexpected downtime: a single gearbox failure can halt production for days, eroding profits and missing deadlines. Gray market bearings often fail prematurely due to substandard materials, while multi-tier distribution channels stretch lead times by 30–50%, leaving maintenance teams waiting for critical replacements.

Genuine NTN 6206 Bearings, In Stock and Ready for OEM Supply

As an official NTN distributor, we provide 100% genuine NTN 6206 deep groove ball bearings with full traceability, eliminating counterfeit risks. Our WMS real-time inventory system ensures the 30x62x16mm gearbox bearings you need are in stock, supporting both small-batch trials and bulk OEM orders. Designed for CNC machinery gearboxes, these bearings deliver the stability required for continuous industrial operation.

Where This NTN 6206 Bearing Performs

The NTN 6206 deep groove ball bearing excels in high-speed rotational applications like CNC machinery gearboxes, where it handles radial loads and moderate axial loads. Its 30mm bore diameter and 62mm outer diameter make it ideal for compact gearbox designs, while the 16mm width provides sufficient load-bearing capacity for continuous operation. Whether in automotive transmissions or industrial fans, this bearing maintains performance under varying temperatures and load conditions.

Technical Details That Define Gearbox Performance

The NTN 6206 bearing’s bearing steel construction ensures durability and resistance to wear, critical for gearboxes operating at high RPM. Its grease or oil lubrication flexibility allows adaptation to specific machinery requirements—grease for maintenance-free operation or oil for high-temperature environments. The deep groove design enables efficient load distribution, reducing stress on gearbox components and extending service life. Precision manufacturing under NTN’s strict quality standards guarantees consistent performance across batches, minimizing vibration and noise in CNC machinery.

The True Cost of Counterfeit Gearbox Bearings

Non-genuine NTN 6206 bearings may save upfront costs but often lead to catastrophic gearbox failures. A 2023 industry report found that counterfeit bearings cause 40% of unexpected industrial machinery breakdowns, resulting in average downtime losses of $22,000 per hour for manufacturers. In contrast, our ISO 9001 compliant three-level quality inspection ensures each bearing meets NTN’s exact specifications, reducing the risk of premature failure and lowering total cost of ownership.

Why CNC Manufacturers Trust Our NTN Bearing Supply

With over 10 years as an authorized NTN distributor, we’ve served clients in 50+ countries, including automotive OEM factories and machinery manufacturers. Our dedicated technical team provides application-specific guidance, from bearing selection to installation support, helping you avoid costly选型 mistakes. We offer flexible OEM customization, including private labeling and packaging, alongside complete export documentation for seamless customs clearance. Every order is tracked by a dedicated account manager, ensuring transparency from warehouse to delivery.

Packaging & Shipping

  • Original NTN packaging with batch traceability labels, outer carton加固 for international transport
  • Stock items shipped within 3–5 business days; bulk OEM orders with reserved inventory available in 7–10 days
  • Global door-to-door logistics via DHL, FedEx, or sea freight for large shipments
  • Real-time tracking provided from dispatch to delivery
  • Minimum order quantity: 1 piece for emergency repairs, with volume discounts for OEM bulk orders

Get Your NTN 6206 Bearings Before Production Stops

Don’t let gearbox downtime disrupt your operations. Send us your NTN 6206 bearing requirements, including quantity and application details, and we’ll issue a formal quotation with authorization certificates within 24 hours. Our sample testing support ensures compatibility before full-scale orders, giving you confidence in your purchase.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

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

Q: How do I confirm if the 6206 bearing fits my CNC gearbox?

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

Q: What is your warranty policy?

A: All NTN bearings come with the manufacturer’s warranty. We replace any products with manufacturing defects unconditionally.

Q: What is the minimum order quantity?

A: We accept orders for 1 piece to support emergency repairs, with flexible terms for OEM bulk requirements.

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

A: Express shipping takes 3–5 days; sea freight options are available for large orders with 25–35 day transit times.

Q: How can I verify the bearing’s authenticity?

A: Each bearing includes NTN’s holographic label and batch code, verifiable through NTN’s official channels. We provide full traceability reports upon request.

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
6206?

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-6206 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