🔥 Hot Stock Alert: Deep Groove Ball Bearings 6205-2RS -- 50,000+ units ready to ship
✅ ISO 9001:2015 Certified · 100% Genuine NTN · Full Traceability
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NTN GENUINE
IN STOCK
High Speed NTN 61906-2RS Deep Groove Ball Bearing 30x47x9mm for Motors & Machinery
High Speed NTN 61906-2RS Deep Groove Ball Bearing 30x47x9mm for Motors & Machinery - Side View
High Speed NTN 61906-2RS Deep Groove Ball Bearing 30x47x9mm for Motors & Machinery - Detail
High Speed NTN 61906-2RS Deep Groove Ball Bearing 30x47x9mm for Motors & Machinery - Dimension
Model
61906-2RS
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

High Speed NTN 61906-2RS Deep Groove Ball Bearing 30x47x9mm for Motors & Machinery

MODEL: 61906-2RS 100% Genuine · Traceable

Ensure your motors and machinery run at peak efficiency with the NTN 61906-2RS deep groove ball bearing, designed to deliver reliable high-speed performance in demanding industrial environments. Its 30x47x9mm precision dimensions and single-row radial design minimize friction, reducing energy loss and extending equipment lifespan—critical for maintaining consistent production schedules.Engineered with bearing steel construction and 0° contact angle for optimal radial load handling, ensuring stable operation even under continuous stress2RS sealing provides superior contamination resistance, lowering maintenance needs and preventing unexpected downtime in harsh working conditionsBacked by NTN’s legendary quality and our ISO 9001-compliant traceability system, giving you confidence in every component’s authenticity and performance

Key Specifications
SPEC-01
Bore (d)
30mm
OD (D)
47mm
Width (B)
9mm
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)47 mm
Width (B)9 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 motors and machinery run at peak efficiency with the NTN 61906-2RS deep groove ball bearing, designed to deliver reliable high-speed performance in demanding industrial environments. Its 30x47x9mm precision dimensions and single-row radial design minimize friction, reducing energy loss and extending equipment lifespan—critical for maintaining consistent production schedules.

  • Engineered with bearing steel construction and 0° contact angle for optimal radial load handling, ensuring stable operation even under continuous stress
  • 2RS sealing provides superior contamination resistance, lowering maintenance needs and preventing unexpected downtime in harsh working conditions
  • Backed by NTN’s legendary quality and our ISO 9001-compliant traceability system, giving you confidence in every component’s authenticity and performance

Description

Product Specifications

Parameter Details
Model NO. 61906-2RS, 61906-2RS1, 61906N
Rows Number Single
Load Direction Radial Bearing
Material Bearing Steel
Contact Angle
Specification 30×47×9mm
Trademark NTN
Origin Germany, Sweden, Japan
HS Code 8482102000

Application Industries

Industry Typical Equipment
Motors Electric Motors, AC Motors, DC Motors
General Machinery Machine Tools, Gearboxes, Pumps, Fans, Conveyors
Automotive Power Transmission Systems, Auxiliary Equipment

Stop Production Delays with Genuine NTN 61906-2RS Deep Groove Ball Bearings

OEM manufacturers and maintenance teams know the frustration: counterfeit bearings failing prematurely, causing unexpected equipment shutdowns and production line losses. Multi-layer distribution channels stretch delivery times by 30–50%, making it nearly impossible to align with tight production schedules. When technical support is lacking, even the right bearing can underperform due to incorrect installation or mismatch with operating conditions.

Genuine NTN 61906-2RS Bearings: In Stock and Traceable

As an official NTN distributor, we eliminate these headaches with the NTN 61906-2RS deep groove ball bearing—30x47x9mm, designed for high-speed motor and machinery applications. Every unit comes with full traceability documentation, ensuring you avoid customs clearance issues and quality disputes. Our WMS real-time inventory system means this bearing is ready to ship, cutting lead times compared to traditional multi-tier suppliers. Whether for electric motor repair or machinery manufacturing, you get the right part when you need it.

Engineered for High-Speed Motor and Machinery Performance

The NTN 61906-2RS excels in radial load applications where high rotational speed is critical. With a single row design and 0° contact angle, it’s optimized for smooth operation in motors, gearboxes, and machine tool spindles. The 2RS sealing provides effective protection against dust and moisture, maintaining lubrication integrity even in industrial environments. When your equipment runs at peak speed, this bearing delivers the stability needed to prevent vibration-related wear and extend service life.

Technical Features That Drive Reliability

Let’s break down the critical specifications that make the 61906-2RS a standout choice. The 30mm bore diameter (d) and 47mm outside diameter (D) balance compact size with load capacity, fitting seamlessly into standard motor housings. The 9mm width (B) ensures rigidity while minimizing axial space requirements. Constructed from high-grade bearing steel, it withstands the thermal stresses of continuous high-speed operation. The contact angle of 0° means it handles purely radial loads efficiently, making it ideal for machinery where axial forces are minimal. Together, these features translate to consistent performance and reduced maintenance intervals.

Why Genuine NTN Bearings Lower Your Total Cost

Choosing gray-market 61906-2RS bearings may seem cheaper upfront, but the hidden costs add up fast. Counterfeits often lack proper material heat treatment, leading to early fatigue failure—costing you not just the bearing replacement, but hours of downtime and potential damage to connected components. Our ISO 9001 compliant three-level quality inspection ensures every NTN bearing meets OEM standards, reducing the risk of unplanned shutdowns. Over time, genuine bearings lower total cost of ownership by delivering predictable service life and reducing maintenance labor.

Why Global Buyers Trust Our NTN Bearing Supply

With over 10 years in the industry, we serve clients across 50+ countries, including automotive OEMs and machinery manufacturers in Southeast Asia, Europe, and North America. Our official NTN authorization guarantees direct access to the brand’s supply chain, eliminating middlemen and ensuring batch consistency. Every bearing comes with complete export documentation, simplifying customs clearance. Our technical team provides free model selection support based on your working conditions, from load parameters to operating temperature. Plus, our dedicated account managers track your order from warehouse to delivery, giving you real-time visibility every step of the way.

Packaging & Shipping

  • Original NTN packaging with brand authentication labels and product traceability documentation
  • Stock availability for immediate dispatch—typically 3–7 business days for global delivery
  • Flexible logistics options: DHL, FedEx, UPS, air freight, or sea freight to suit your timeline and budget
  • Real-time tracking number provided once shipped, allowing you to monitor delivery progress
  • Minimum order quantity of 1 piece, supporting emergency maintenance and small-batch production needs

Get Your NTN 61906-2RS Bearing Shipped Today

Don’t let equipment downtime eat into your profits. Whether you need a single bearing for紧急维修 or bulk supply for production, we’re ready to fulfill your order. Send us your model list, operating conditions, and quantity, and our team will issue a formal quotation with traceability certificates within 24 hours. The sooner you order, the sooner you can get your machinery back to peak performance.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

A: Yes, we are an official NTN authorized distributor. Every bearing is sourced directly from NTN’s supply chain and comes with complete traceability documentation and brand authorization certificates.

Q: How do I confirm if the 61906-2RS is compatible with my equipment?

A: Provide your equipment model, operating speed, load requirements, and working conditions. Our technical team will verify compatibility and recommend the optimal bearing solution at no cost.

Q: What is your warranty policy?

A: All NTN bearings come with the manufacturer’s warranty, covering manufacturing defects. If a bearing fails due to material or production issues, we provide a full replacement or refund.

Q: What is the minimum order quantity?

A: We accept orders starting from 1 piece, making us ideal for both emergency repairs and small-batch production runs.

Q: How long does shipping take?

A: In-stock bearings are shipped within 3–7 business days. We offer DHL, FedEx, UPS, air, and sea freight options to meet your delivery timeline.

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

A: Each bearing includes NTN’s original packaging with holographic labels, laser-etched part numbers, and a traceability certificate. You can cross-verify details through NTN’s official channels using the provided documentation.

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
61906-2RS?

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-61906- 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