🔥 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 6905zz 6906zz NTN KOYO Long Life High Speed for Machinery thumbnail 1
Deep Groove Ball Bearing 6905zz 6906zz NTN KOYO Long Life High Speed for Machinery - Side View thumbnail 2
Deep Groove Ball Bearing 6905zz 6906zz NTN KOYO Long Life High Speed for Machinery - Detail thumbnail 3
Deep Groove Ball Bearing 6905zz 6906zz NTN KOYO Long Life High Speed for Machinery - Dimension thumbnail 4
NTN GENUINE
IN STOCK
Deep Groove Ball Bearing 6905zz 6906zz NTN KOYO Long Life High Speed for Machinery
Deep Groove Ball Bearing 6905zz 6906zz NTN KOYO Long Life High Speed for Machinery - Side View
Deep Groove Ball Bearing 6905zz 6906zz NTN KOYO Long Life High Speed for Machinery - Detail
Deep Groove Ball Bearing 6905zz 6906zz NTN KOYO Long Life High Speed for Machinery - Dimension
Model
NTN-228
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Deep Groove Ball Bearing 6905zz 6906zz NTN KOYO Long Life High Speed for Machinery

MODEL: NTN-228 100% Genuine · Traceable

Ensure uninterrupted machinery performance with our Deep Groove Ball Bearing—engineered for long life and high-speed operation to keep your production lines running smoothly. As an official NTN distributor, we guarantee 100% genuine 6905zz/6906zz bearings with full traceability, eliminating compliance headaches and quality risks. Precision ratings from P0 to P4 and clearance options (C0/C2/C3) ensure perfect fit for motors, pumps, and industrial equipmentSingle-row, non-aligning design with 25*42*9mm dimensions delivers reliable radial load support at critical speedsBacked by our ISO 9001 quality system and dedicated technical team for seamless integration into your OEM processes

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 uninterrupted machinery performance with our Deep Groove Ball Bearing—engineered for long life and high-speed operation to keep your production lines running smoothly. As an official NTN distributor, we guarantee 100% genuine 6905zz/6906zz bearings with full traceability, eliminating compliance headaches and quality risks.

  • Precision ratings from P0 to P4 and clearance options (C0/C2/C3) ensure perfect fit for motors, pumps, and industrial equipment
  • Single-row, non-aligning design with 25*42*9mm dimensions delivers reliable radial load support at critical speeds
  • Backed by our ISO 9001 quality system and dedicated technical team for seamless integration into your OEM processes

Description

Product Specifications

Parameter Details
Model NO. 6905ZZ
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 25*42*9 mm
Trademark NTN/NSK/KOYO/NACHI/TIMKEN
Origin China
HS Code 8482102000
Production Capacity 1000000
Package Size 15.00cm * 10.00cm * 5.00cm
Package Gross Weight 0.048kg

Application Industries

Industry Typical Equipment
Automotive Electric Motors, Gearboxes, Water Pumps
General Machinery CNC Machine Spindles, Conveyor Systems, Fans
Industrial Manufacturing Compressors, Pneumatic Tools, Printing Machinery

Stop Production Delays with Genuine Deep Groove Ball Bearings

OEM manufacturers know the cost of bearing failure—unplanned downtime, damaged machinery, and missed production deadlines. Counterfeit bearings often fail within months, while multi-layer distribution channels stretch lead times by 30-50%. When your production line depends on reliable components, these risks aren’t just inconvenient—they hit your bottom line.

Genuine 6905zz and 6906zz Bearings, In Stock and Traceable

As an official NTN distributor, we eliminate these headaches with Deep Groove Ball Bearings designed for high-speed machinery. Our 6905zz Bearing combines long life and low noise operation, critical for motors and precision equipment. With rich stocks and WMS real-time inventory, we deliver within your production schedule, not against it. Every bearing comes with full traceability documentation, so you avoid customs delays and quality disputes.

Engineered for High-Speed Industrial Applications

This Deep Groove Ball Bearing excels in applications requiring consistent performance under radial loads at high rotational speeds. Whether powering electric motor shafts, textile machinery, or packaging equipment, its single-row design and 0° contact angle optimize load distribution. The 25x42x9 mm specification fits standard industrial shafts, while options for P0-P4 precision ratings ensure compatibility with everything from general machinery to precision tools.

Technical Features That Maximize Machine Uptime

Our 6905zz Bearing’s performance stems from critical engineering details. The P0-P4 precision ratings control radial and axial runout, reducing vibration in high-speed applications. Clearance options (C0/C2/C3) let you match bearing fit to operating conditions—C3 clearance accommodates thermal expansion in high-temperature environments, while C2 ensures tight precision for spindle applications. Constructed from high-grade bearing steel, it delivers the durability needed for continuous operation, backed by NTN’s manufacturing expertise.

Why Genuine Bearings Lower Your Total Cost

Choosing genuine NTN Ball Bearing over gray-market alternatives reduces long-term costs. Counterfeit bearings often use substandard steel and poor heat treatment, leading to premature failure. A single bearing failure in a production line can cost thousands in downtime and repairs. Our ISO 9001 compliant three-level quality inspection ensures each bearing meets OEM standards, while full traceability protects you from liability and compliance issues. It’s not just a bearing—it’s an investment in production reliability.

Why Manufacturers in 50+ Countries Trust Our Supply

We’ve built our reputation on reliability: 10+ years as an authorized NTN distributor, serving automotive OEMs, machinery manufacturers, and maintenance teams worldwide. Our technical team provides free model selection and installation guidance, helping you avoid costly选型 mistakes. With global door-to-door logistics, we deliver to your facility, whether in Southeast Asia, Europe, or North America. For bulk orders, our long-term supply framework agreements secure inventory, so you never wait for critical components.

Packaging & Shipping

  • Original manufacturer packaging with protective carton and pallet reinforcement
  • 3-7 business day delivery for in-stock items
  • Flexible logistics options: DHL, FedEx, UPS, air freight, and sea freight
  • Real-time tracking provided for all shipments
  • Minimum order quantity: 1 piece, supporting emergency maintenance needs

Get Your Bearings Delivered When You Need Them

Don’t let bearing delays stop your production. Send us your model list (including 6905zz and 6906zz), operating parameters, and order volume—we’ll issue a formal quotation with authorization certificates within 24 hours. For urgent needs, our rich stock ensures quick dispatch, so you can get back to manufacturing.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

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

Q: How do I confirm if the 6905zz 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 adhere to NTN’s original warranty standards, covering manufacturing defects with unconditional replacement or refund.

Q: What is the minimum order quantity?

A: We accept orders from 1 piece, ideal for emergency repairs or small-batch trials before mass production.

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

A: In-stock items ship within 3-7 business days. We offer DHL/FedEx/UPS for express delivery and sea freight for bulk orders, with transit times varying by destination.

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

A: Check the packaging for NTN’s holographic labels, laser-etched part numbers, and scan the QR code to access traceability records. We also provide a full set of authentication documents with each order.

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
NTN-228?

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-NTN-22 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