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NTN GENUINE
IN STOCK
Deep Groove Ball Bearing NSK 6028zz 6030zz 6032zz with Long Life for Industrial Machinery
Deep Groove Ball Bearing NSK 6028zz 6030zz 6032zz with Long Life for Industrial Machinery - Side View
Deep Groove Ball Bearing NSK 6028zz 6030zz 6032zz with Long Life for Industrial Machinery - Detail
Deep Groove Ball Bearing NSK 6028zz 6030zz 6032zz with Long Life for Industrial Machinery - Dimension
Model
NTN-108
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Deep Groove Ball Bearing NSK 6028zz 6030zz 6032zz with Long Life for Industrial Machinery

MODEL: NTN-108 100% Genuine · Traceable

Ensure uninterrupted industrial machinery performance with the NSK 6028zz Deep Groove Ball Bearing, engineered for extended service life and reliable operation in high-demand environments. Its precision manufacturing (P0-P4 ratings) and optimized clearance options (C0/C2/C3) minimize downtime, while the low-noise, high-speed design enhances operational efficiency—critical for maintaining production schedules in automotive and general machinery sectors.140×210×33mm specification with double metal shields (ZZ) provides superior contamination resistance, ideal for harsh industrial settingsBearing steel construction ensures durability, backed by our ISO 9001 compliant quality system for full traceability and batch consistencyFlexible OEM customization available to match exact application requirements, supported by a 10+ year technical team for seamless integration

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 industrial machinery performance with the NSK 6028zz Deep Groove Ball Bearing, engineered for extended service life and reliable operation in high-demand environments. Its precision manufacturing (P0-P4 ratings) and optimized clearance options (C0/C2/C3) minimize downtime, while the low-noise, high-speed design enhances operational efficiency—critical for maintaining production schedules in automotive and general machinery sectors.

  • 140×210×33mm specification with double metal shields (ZZ) provides superior contamination resistance, ideal for harsh industrial settings
  • Bearing steel construction ensures durability, backed by our ISO 9001 compliant quality system for full traceability and batch consistency
  • Flexible OEM customization available to match exact application requirements, supported by a 10+ year technical team for seamless integration

Description

Product Specifications

Parameter Details
Model NO. 6028ZZ
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 140*210*33 mm
Trademark NACHI
Origin Japan
HS Code 8482102000
Production Capacity 1000000

Application Industries

Industry Typical Equipment
Industrial Machinery Electric Motors, Gearboxes, Pumps, Fans, Conveyors
Automotive Engine Components, Transmission Systems
General Manufacturing CNC Machines, Spindles, Compressors

Prevent Production Downtime with Reliable Deep Groove Ball Bearings

OEM manufacturers across industrial sectors face recurring challenges with bearing procurement: counterfeit products causing premature failures, inconsistent delivery times disrupting production schedules, and limited technical support increasing maintenance costs. These issues often lead to unexpected line shutdowns and significant financial losses.

Genuine NSK 6028zz Bearings with Proven Performance

As an official authorized distributor, we provide 100% genuine Deep Groove Ball Bearings like the NSK 6028zz, designed for long life and high-speed operation in industrial machinery. Our ISO 9001 compliant three-level quality inspection system ensures each bearing meets strict performance standards, while WMS real-time inventory guarantees stable supply to keep your production on track.

Optimal Performance in Critical Applications

The NSK 6028zz Deep Groove Ball Bearing excels in applications requiring radial load support and high rotational speeds, such as electric motor spindles and conveyor systems. Its single-row design and non-aligning特性 make it ideal for precision machinery where consistent operation under varying loads is essential. The low noise operation further enhances its suitability for manufacturing environments where sound levels matter.

Technical Features That Deliver Results

The 6028zz bearing’s 140mm bore diameter, 210mm outside diameter, and 33mm width provide a robust structure capable of handling demanding industrial conditions. Available precision ratings from P0 to P4 allow customization based on application requirements—P5 and P4 grades offer tighter tolerances for high-precision machinery. Clearance options (C0/C2/C3) accommodate thermal expansion and installation needs, ensuring optimal performance across operating temperatures. The bearing steel construction delivers durability, while the double shield (ZZ) design provides effective protection against contaminants, extending service life in harsh environments.

Why Authentic Bearings Matter for Your Bottom Line

Choosing genuine NSK 6028zz Long Life Bearings over gray-market alternatives reduces the risk of unexpected failures. Counterfeit bearings often lack proper material quality and manufacturing processes, leading to early breakdowns that can cost thousands in downtime and repairs. Our traceable supply chain ensures each bearing comes with complete documentation, avoiding customs clearance issues and quality disputes. By investing in authentic components, you lower total ownership costs through extended service intervals and reliable performance.

Our Commitment to Your Success

With over 10 years of experience serving clients in 50+ countries, we bring expertise in matching bearings to specific industrial applications. Our technical team provides personalized support, from model selection based on working conditions to installation guidance and failure analysis. As an authorized distributor, we offer direct access to NSK’s engineering resources and ensure full product traceability. Our global door-to-door logistics network delivers orders efficiently, with dedicated account managers tracking every step from warehousing to after-sales support.

Packaging & Shipping

  • Packaged in carton pallets with protective measures to prevent damage during transit
  • Standard package size: 23.00cm * 23.00cm * 5.30cm
  • Package gross weight: 3.360kg
  • Global door-to-door logistics options including DHL, FedEx, and UPS
  • Real-time shipment tracking provided for all orders
  • Flexible order quantities to support both maintenance and production needs

Get Your NSK 6028zz Bearings Today

Don’t let bearing issues disrupt your production schedule. Send us your model list, application parameters, and order volume to receive a formal quotation within 24 hours. We support sample testing and small-batch trial orders to verify quality before full-scale procurement, ensuring the NSK 6028zz bearing meets your machinery requirements.

Frequently Asked Questions

Q: Are these genuine NSK bearings?

A: As an official authorized distributor, we guarantee 100% genuine products with full traceability. Each bearing comes with brand authorization and traceability certificates.

Q: How can I confirm if the 6028zz is suitable for my equipment?

A: Our technical team can assist with model selection. Provide your equipment details or operating conditions, and we’ll verify compatibility based on load, speed, and environmental factors.

Q: What is your warranty policy?

A: We stand behind product quality. All bearings are covered by the manufacturer’s warranty, with manufacturing defects eligible for unconditional replacement.

Q: What is the minimum order quantity?

A: We accept orders starting from 1 piece, supporting both emergency maintenance and small-batch production needs.

Q: How long does shipping take?

A: With rich stock availability, most orders ship within 3-7 business days. Delivery time depends on your location and selected logistics method.

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

A: Each bearing includes original packaging with authentic labels and serial numbers. We provide complete traceability documentation, and you can cross-verify details through 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
NTN-108?

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-10 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