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NTN GENUINE
IN STOCK
High Precision NTN N2328EM Cylindrical Roller Bearing for Automotive Machinery OEM Supply
High Precision NTN N2328EM Cylindrical Roller Bearing for Automotive Machinery OEM Supply - Side View
High Precision NTN N2328EM Cylindrical Roller Bearing for Automotive Machinery OEM Supply - Detail
High Precision NTN N2328EM Cylindrical Roller Bearing for Automotive Machinery OEM Supply - Dimension
Model
NTN-780
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

High Precision NTN N2328EM Cylindrical Roller Bearing for Automotive Machinery OEM Supply

MODEL: NTN-780 100% Genuine · Traceable

Guarantee consistent performance in automotive machinery with the NTN N2328EM cylindrical roller bearing, engineered to minimize downtime through precise radial load handling and reliable operation. As an official NTN distributor, we ensure full traceability and batch stability, eliminating common supply chain disruptions for your production line.High precision P0-P2 ratings deliver smooth rotation even under heavy loads, critical for automotive transmission and machinery applicationsSeparated inner/outer ring design allows easy mounting and maintenance, reducing assembly time and technical support needs140×300×102mm dimensions optimized for OEM integration, backed by our ISO 9001 quality system and 10+ years technical expertise

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 TypeCylindrical Roller 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

Guarantee consistent performance in automotive machinery with the NTN N2328EM cylindrical roller bearing, engineered to minimize downtime through precise radial load handling and reliable operation. As an official NTN distributor, we ensure full traceability and batch stability, eliminating common supply chain disruptions for your production line.

  • High precision P0-P2 ratings deliver smooth rotation even under heavy loads, critical for automotive transmission and machinery applications
  • Separated inner/outer ring design allows easy mounting and maintenance, reducing assembly time and technical support needs
  • 140×300×102mm dimensions optimized for OEM integration, backed by our ISO 9001 quality system and 10+ years technical expertise

Description

Product Specifications

Parameter Details
Model NO. N2328em
Outer Dimension 35mm-180mm
Material Bearing Steel
Spherical Non-Aligning Bearings
Load Direction Radial Bearing
Separated Separated
Product Name Cylindrical Roller Bearing
Bore Size 15-90 mm
Structure Cylindrical
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4 P2
Vibration Z1V1 Z2V2 Z3V3
Service OEM ODM
Transport Package Carton Pallet
Specification 140*300*102mm
Trademark NTN
Origin Japan
HS Code 8482500090
Production Capacity 100000

Application Industries

Industry Typical Equipment
Automotive Transmissions, Gearboxes, Axles
Motors Electric Motor Rotors, Generators
General Machinery Industrial Gearboxes, Pumps, Compressors
Rail Transit Train Axle Systems, Locomotive Components

Stop Production Delays with Genuine NTN N2328EM Cylindrical Roller Bearings

OEM manufacturers know the cost of bearing failure—unplanned downtime, production line halts, and quality disputes from counterfeit parts. When multi-tier distributors stretch lead times by 30-50%, aligning with production schedules becomes a constant battle. Even worse, gray-market channels often deliver bearings with incomplete traceability, risking customs clearance delays and liability issues.

Genuine NTN N2328EM Bearings: Authorized Supply Chain You Can Trust

As an official NTN distributor, we eliminate these risks with direct access to the brand’s OEM supply chain. The NTN N2328EM cylindrical roller bearing, built with high-grade bearing steel and precision-rated up to P2, delivers the stability required for automotive machinery and industrial gearboxes. Our ISO 9001 compliant three-level inspection ensures each unit meets NTN’s strict quality standards, while WMS real-time inventory means we can fulfill orders without the delays of traditional distribution networks.

Engineered for High-Precision Automotive Machinery Performance

The N2328EM excels in radial load applications, making it ideal for automotive transmissions and motor rotors where consistent performance under stress is critical. Its separated structure allows for easy maintenance and mounting, while precision ratings from P0 to P2 accommodate everything from general machinery to high-precision equipment. With vibration levels rated Z1V1 to Z3V3, this bearing minimizes noise and ensures smooth operation even in continuous-duty scenarios.

Technical Advantages That Reduce Total Cost of Ownership

Three key features set the NTN N2328EM apart: its separated design simplifies installation and replacement, reducing maintenance time by up to 40% compared to non-separable bearings. The precision rating options—from P0 for standard applications to P2 for high-accuracy machinery—allow you to match performance to exact requirements without overspending. Additionally, the bearing’s compatibility with both grease and oil lubrication provides flexibility across operating temperatures and speeds, ensuring optimal performance in diverse industrial environments.

Why Counterfeit Bearings Cost More Than You Think

While counterfeit bearings may offer lower upfront prices, their hidden costs quickly add up. A single failed bearing can cause secondary damage to gears and shafts, leading to repair bills 5-10 times the cost of the bearing itself. In automotive OEM settings, production line downtime from bearing failure averages $2,000-$5,000 per hour. Our genuine NTN N2328EM bearings come with full traceability documentation, eliminating customs holds and ensuring compliance with global quality standards—ultimately lowering your total cost of ownership.

Our Commitment to Reliable Supply

With over 10 years of experience serving 50+ countries, we’ve built our reputation on four pillars: official NTN authorization ensures 100% genuine products with complete traceability; our technical team provides application-specific guidance, from model selection to failure analysis; WMS real-time inventory guarantees stock availability for both small-batch trials and bulk orders; and global door-to-door logistics delivers bearings exactly when and where you need them. We support OEM customization and provide all export documentation, simplifying your procurement process.

Packaging & Shipping

  • Packaged in NTN original cartons with pallet reinforcement for secure transport
  • Package Size: 32.00cm * 32.00cm * 12.20cm
  • Package Gross Weight: 38.000kg
  • Global logistics options including DHL, FedEx, UPS, air, and sea freight
  • Real-time tracking provided for all shipments
  • Flexible order quantities: support for sample testing, small-batch trials, and bulk OEM supply

Get Your NTN N2328EM Bearing Quote Today

Don’t let supply chain delays or counterfeit risks disrupt your production. Send us your model list, application parameters, and order volume, and we’ll deliver a formal quotation with brand authorization and traceability certificates within 24 hours. Whether you need a single unit for emergency repair or a long-term OEM supply agreement, we’re ready to support your operation.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

A: Yes, we are an official NTN authorized distributor. Every NTN N2328EM bearing comes with complete traceability documentation and brand authorization certificates to verify authenticity.

Q: How can I confirm if the N2328EM is suitable for my equipment?

A: Our technical team can assist with model selection. Provide your equipment type, operating conditions (load, speed, temperature), and application details, and we’ll verify compatibility within 24 hours.

Q: What is your warranty policy?

A: We stand by NTN’s original manufacturer warranty. All bearings are covered against manufacturing defects, with full replacement support for non-conforming products.

Q: What is the minimum order quantity?

A: We accept orders starting from 1 unit to support emergency repairs, with no minimum for sample testing or small-batch trials.

Q: How long does shipping take?

A: With WMS real-time inventory, most orders ship within 3-7 business days. Delivery time depends on logistics method—express (3-5 days), air (7-10 days), or sea (30-45 days).

Q

SECTION 12 / GET QUOTATION

Ready to Order
NTN-780?

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