🔥 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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Deep Groove Ball Bearing NSK 6900zz 6901zz 6902zz 6903zz 6904zz for High Speed Motors thumbnail 1
Deep Groove Ball Bearing NSK 6900zz 6901zz 6902zz 6903zz 6904zz for High Speed Motors - Side View thumbnail 2
Deep Groove Ball Bearing NSK 6900zz 6901zz 6902zz 6903zz 6904zz for High Speed Motors - Detail thumbnail 3
Deep Groove Ball Bearing NSK 6900zz 6901zz 6902zz 6903zz 6904zz for High Speed Motors - Dimension thumbnail 4
NTN GENUINE
IN STOCK
Deep Groove Ball Bearing NSK 6900zz 6901zz 6902zz 6903zz 6904zz for High Speed Motors
Deep Groove Ball Bearing NSK 6900zz 6901zz 6902zz 6903zz 6904zz for High Speed Motors - Side View
Deep Groove Ball Bearing NSK 6900zz 6901zz 6902zz 6903zz 6904zz for High Speed Motors - Detail
Deep Groove Ball Bearing NSK 6900zz 6901zz 6902zz 6903zz 6904zz for High Speed Motors - Dimension
Model
NTN-234
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Deep Groove Ball Bearing NSK 6900zz 6901zz 6902zz 6903zz 6904zz for High Speed Motors

MODEL: NTN-234 100% Genuine · Traceable

Ensure peak performance for your high-speed motors with NSK Deep Groove Ball Bearing 6900zz, 6901zz, 6902zz, 6903zz, and 6904zz—engineered to deliver long life, low noise, and reliable operation even under demanding conditions. As an official NTN distributor with ISO 9001 compliance, we guarantee 100% genuine NSK bearings with full traceability, eliminating concerns about counterfeit risks and documentation gaps.Precision ratings from P0 to P4 and clearance options (C0/C2/C3) allow tailored matching to your motor's specific speed and load requirementsSingle-row, non-aligning design with 0° contact angle ensures optimal radial load distribution for smooth, efficient power transferAvailable with grease or oil lubrication to suit your maintenance protocol, backed by our WMS real-time inventory for fast, consistent delivery

Key Specifications
SPEC-01
Bore (d)
75mm
OD (D)
130mm
Width (B)
31mm
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)75 mm
Outer Diameter (D)130 mm
Width (B)31 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 peak performance for your high-speed motors with NSK Deep Groove Ball Bearing 6900zz, 6901zz, 6902zz, 6903zz, and 6904zz—engineered to deliver long life, low noise, and reliable operation even under demanding conditions. As an official NTN distributor with ISO 9001 compliance, we guarantee 100% genuine NSK bearings with full traceability, eliminating concerns about counterfeit risks and documentation gaps.

  • Precision ratings from P0 to P4 and clearance options (C0/C2/C3) allow tailored matching to your motor’s specific speed and load requirements
  • Single-row, non-aligning design with 0° contact angle ensures optimal radial load distribution for smooth, efficient power transfer
  • Available with grease or oil lubrication to suit your maintenance protocol, backed by our WMS real-time inventory for fast, consistent delivery

Description

Product Specifications

Parameter Details
Model NO. 6900zz
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4
Feature Long Life, High Speed, Low Noise
Stock Rich Stocks
Clearance C0 /C2/C3
Service OEM ODM
Aligning Non-Aligning Bearing
Separated Unseparated
Rows Number Single
Load Direction Radial Bearing
Material Bearing Steel
Contact Angle
Transport Package Carton Pallet
Specification 10*22*6 mm
Trademark NSK
Origin Japan
HS Code 8482102000

Application Industries

Industry Typical Equipment
Motor Manufacturing High Speed Electric Motors, Spindle Motors, HVAC Motors
Industrial Machinery CNC Machine Tools, Pumps, Fans, Compressors
Automotive Electric Vehicle Drive Systems, Auxiliary Motors
Appliances Washing Machines, Refrigeration Units, Power Tools

Stop Motor Downtime with Genuine NSK 6900zz Deep Groove Ball Bearings

Motor manufacturers and maintenance teams know the frustration: counterfeit bearings fail prematurely, causing unplanned shutdowns and production losses. Multi-tier distribution channels stretch lead times by 30-50%, making it impossible to align with tight production schedules. Even when bearings arrive, unclear traceability documents often trigger customs delays and quality disputes.

Genuine NSK Bearings: In Stock and Ready for High-Speed Motors

As an official authorized distributor, we eliminate these headaches with NSK Deep Groove Ball Bearings like the 6900zz series—engineered for high-speed motor applications. Our WMS real-time inventory system ensures rich stocks of 6900zz, 6901zz, 6902zz, 6903zz, and 6904zz bearings, ready for immediate dispatch. Each unit comes with complete traceability certificates, so you avoid customs clearance issues and quality liability risks.

Engineered for High-Speed Motor Performance

NSK 6900zz bearings excel in high-speed motor environments, where rotational stability and low noise are critical. Designed as single-row radial bearings with a 0° contact angle, they handle radial loads efficiently while maintaining precision at high RPMs. The non-aligning, unseparated construction ensures consistent performance in compact motor housings, making them ideal for applications requiring reliable operation under continuous duty cycles.

Technical Details That Maximize Motor Lifespan

The 6900zz bearing’s 10x22x6 mm specification balances compact size with load capacity, perfect for small to medium motors. Precision ratings from P0 to P4 allow customization—P5/P4 grades reduce vibration in sensitive equipment, while P0 offers cost-effective reliability for general use. Clearance options (C0/C2/C3) accommodate thermal expansion: C3 clearance is recommended for high-speed applications to prevent overheating, while C2 suits preloaded assemblies requiring minimal axial play. Constructed from high-grade bearing steel, these bearings deliver long life even in demanding motor operating conditions.

Why Genuine NSK Bearings Lower Total Cost of Ownership

Gray-market bearings may seem cheaper upfront, but they hide significant risks: material inconsistencies cause early fatigue, leading to motor failure, unplanned downtime, and repair costs that dwarf initial savings. Our 100% genuine NSK 6900zz bearings, backed by ISO 9001 quality control, reduce these risks. Each unit undergoes three-level inspection before shipment, ensuring batch consistency that multi-tier suppliers can’t match. For OEMs, this translates to fewer warranty claims, more stable production, and lower long-term costs.

Why Global Motor Manufacturers Trust Our Supply

With 10+ years serving 50+ countries, we’ve built a reputation for reliability in bearing supply. As an official authorized distributor, every NSK bearing we provide is fully traceable—we supply brand authorization certificates and batch documentation with each order. Our technical team offers free model selection support, helping you match bearing specifications (clearance, precision, lubrication) to motor operating conditions. For OEMs, we provide flexible customization through our OEM service, and our global door-to-door logistics ensures on-time delivery, whether you’re in Southeast Asia, Europe, or North America.

Packaging & Shipping

  • Original NSK packaging with carton pallet reinforcement for secure transport
  • Package dimensions: 4.20cm * 4.20cm * 2.60cm (single unit)
  • Gross weight per package: 0.010kg
  • Fast dispatch: In-stock items ship within 3-7 business days
  • Global logistics: DHL, FedEx, UPS, air, and sea freight options available
  • Full tracking: Real-time shipment monitoring provided for all orders
  • Flexible ordering: Minimum 1 unit for emergency repairs, bulk discounts for OEM orders

Get Your NSK 6900zz Bearings Shipped Today

Don’t let bearing issues slow your production. Whether you need a single 6900zz for emergency repair or bulk 6904zz for OEM production, we’re ready to fulfill your order. Send us your model list, motor operating parameters, and quantity—our team will issue a formal quotation with traceability certificates within 24 hours.

Frequently Asked Questions

Q: Are these genuine NSK bearings?

A: Yes, we are an official authorized NTN distributor, and all NSK products we supply are 100% genuine with complete traceability documentation, including brand authorization certificates.

Q: How do I confirm if the 6900zz is suitable for my motor?

A: Provide your motor’s operating speed, load conditions, and temperature range—our technical team will verify compatibility and recommend the optimal clearance and precision grade.

Q: What is your warranty policy?

A: All bearings come with NSK’s original manufacturer warranty, covering manufacturing defects. We provide full support for warranty claims and offer unconditional returns for defective products.

Q: What is the minimum order quantity?

A: We accept orders for 1 unit to support emergency maintenance needs, with competitive pricing for bulk OEM orders.

Q: How long does shipping take to [my country]?

A: In-stock bearings ship within 3-7 business days. Delivery time depends on location: typically 3-5 days to Europe/North America via express, 5-7 days to Southeast Asia, and longer for sea freight.

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SECTION 12 / GET QUOTATION

Ready to Order
NTN-234?

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
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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