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Self-Aligning Roller Bearings 23140CDKE4 NTN Original for Industrial Machinery with P0-P2 Precision thumbnail 1
Self-Aligning Roller Bearings 23140CDKE4 NTN Original for Industrial Machinery with P0-P2 Precision - Side View thumbnail 2
Self-Aligning Roller Bearings 23140CDKE4 NTN Original for Industrial Machinery with P0-P2 Precision - Detail thumbnail 3
Self-Aligning Roller Bearings 23140CDKE4 NTN Original for Industrial Machinery with P0-P2 Precision - Dimension thumbnail 4
NTN GENUINE
IN STOCK
Self-Aligning Roller Bearings 23140CDKE4 NTN Original for Industrial Machinery with P0-P2 Precision
Self-Aligning Roller Bearings 23140CDKE4 NTN Original for Industrial Machinery with P0-P2 Precision - Side View
Self-Aligning Roller Bearings 23140CDKE4 NTN Original for Industrial Machinery with P0-P2 Precision - Detail
Self-Aligning Roller Bearings 23140CDKE4 NTN Original for Industrial Machinery with P0-P2 Precision - Dimension
Model
23140CDKE4
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Self-Aligning Roller Bearings 23140CDKE4 NTN Original for Industrial Machinery with P0-P2 Precision

MODEL: 23140CDKE4 100% Genuine · Traceable

Ensure uninterrupted industrial machinery performance with NTN 23140CDKE4 Self-Aligning Roller Bearings, engineered to deliver exceptional load handling and misalignment compensation in heavy-duty applications. These original NTN bearings (200*340*112 mm) maintain P0-P2 precision under extreme conditions, reducing downtime risks for manufacturers relying on consistent batch quality.Dual-row roller design with C0/C3/C4 clearance options ensures optimal torque distribution and extended service life in general machineryISO 9001-certified traceability guarantees compliance with global export documentation requirements, streamlining procurement workflowsDirect OEM supply from authorized NTN distributor eliminates supply chain delays, keeping production schedules on track

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 TypeSpherical 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

Ensure uninterrupted industrial machinery performance with NTN 23140CDKE4 Self-Aligning Roller Bearings, engineered to deliver exceptional load handling and misalignment compensation in heavy-duty applications. These original NTN bearings (200*340*112 mm) maintain P0-P2 precision under extreme conditions, reducing downtime risks for manufacturers relying on consistent batch quality.

  • Dual-row roller design with C0/C3/C4 clearance options ensures optimal torque distribution and extended service life in general machinery
  • ISO 9001-certified traceability guarantees compliance with global export documentation requirements, streamlining procurement workflows
  • Direct OEM supply from authorized NTN distributor eliminates supply chain delays, keeping production schedules on track

Description

Product Specifications

Parameter Details
Model NO. 23140CDKE4
Precision Rating P0, P6, P5, P4, P2
Clearance C0, C3, C4
Rolling Body Roller Bearings
The Number of Rows Double
Material Bearing Steel
Spherical Aligning Bearings
Load Direction Radial Bearing
Separated Unseparated
Specification 200*340*112 mm
Origin China
HS Code 8482300000

Application Industries

Industry Typical Equipment
Industrial Machinery Conveyors, Presses, Gearboxes, Fans
Automotive Manufacturing Assembly Line Equipment, Stamping Machines
Motors Large Electric Motors, Generator Sets
Rail Transit Train Bogies, Track Maintenance Machinery

Stop Production Delays with Genuine NTN 23140CDKE4 Self-Aligning Roller Bearings

OEM manufacturers know the cost of bearing failure: unplanned downtime, maintenance overtime, and missed production deadlines. Gray market bearings often lack traceability, leading to customs clearance delays and quality disputes. Multi-layer distribution channels stretch lead times by 30-50%, making it nearly impossible to align with tight production schedules.

Genuine NTN 23140CDKE4 Bearings, Ready for Immediate Shipment

As an official NTN distributor, we eliminate these pain points with direct access to the NTN supply chain. Our WMS real-time inventory system ensures the 23140CDKE4 self-aligning roller bearings are in stock and ready to ship. Each unit undergoes our ISO 9001 compliant three-level quality inspection, guaranteeing batch consistency for your industrial machinery, motors, and rail transit applications.

Engineered for Heavy-Duty Industrial Conditions

The NTN 23140CDKE4 self-aligning roller bearing excels in high-load, misalignment-prone environments. With a double row design and spherical outer ring, it accommodates shaft deflection up to 2 degrees, making it ideal for machinery with imperfect alignment such as conveyors and gearboxes. Its radial load capacity ensures reliable performance in continuous operation scenarios typical of manufacturing plants.

Technical Features That Maximize Equipment Uptime

The 200*340*112 mm dimension of the 23140CDKE4 provides a robust foundation for heavy industrial applications. Precision ratings from P0 to P2 allow customization based on your equipment requirements—P2 for high-speed machinery requiring minimal vibration, P0 for general industrial use. Clearance options (C0, C3, C4) let you optimize performance for temperature variations: C3 for applications with thermal expansion, C0 for standard operating conditions. Constructed from high-grade bearing steel, this NTN original bearing delivers long service life even under heavy loads.

Why Genuine NTN Bearings Reduce Total Cost of Ownership

Counterfeit bearings may offer lower upfront prices, but they typically fail 3-5 times faster than genuine NTN products. A single bearing failure in critical machinery can cost $10,000+ in downtime and repairs—far exceeding any initial savings. Our 100% genuine NTN 23140CDKE4 bearings come with full traceability documentation, ensuring compliance with export regulations and avoiding customs delays. With proper installation, they deliver predictable service life, reducing maintenance frequency and associated costs.

Our Commitment to Reliable Bearing Supply

With over 10 years of experience serving 50+ countries, we’ve built our reputation on four pillars: official NTN authorization with complete product traceability, ISO 9001 quality management system with three-level inspections, dedicated technical support for model selection and failure analysis, and global door-to-door logistics. Our vertical distribution model eliminates middlemen, ensuring stable pricing and 30-50% faster delivery than traditional channels. We support flexible OEM customization to match your specific application requirements.

Packaging & Shipping

  • Original NTN packaging with product certification and traceability documents
  • Carton and pallet packaging for secure transportation
  • 3-7 business days delivery for in-stock items
  • Global logistics options including DHL, FedEx, UPS, air freight, and sea freight
  • Real-time shipment tracking provided for all orders
  • Minimum order quantity of 1 piece, supporting both emergency repairs and bulk orders

Get Your NTN 23140CDKE4 Bearings Shipped Today

Every day of equipment downtime costs your business money. Send us your order details—bearing model, required precision grade, clearance, and quantity—and receive a formal quotation within 24 hours. Our dedicated account manager will guide you through sample testing, small-batch trials, and bulk ordering, ensuring seamless integration with your production schedule.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

A: Yes, we are an official NTN authorized distributor. Every 23140CDKE4 bearing comes with complete traceability documentation and brand authorization certificates.

Q: How can I confirm this bearing fits my equipment?

A: Provide your equipment model or operating parameters (load, speed, temperature), and our technical team will verify compatibility with the 23140CDKE4 specifications.

Q: What is your warranty policy?

A: We adhere to NTN’s original warranty standards, with unconditional replacement for manufacturing defects.

Q: What is the minimum order quantity?

A: We accept orders starting from 1 piece to support emergency maintenance needs.

Q: How long does shipping take?

A: In-stock 23140CDKE4 bearings ship within 3-7 business days via your choice of DHL, FedEx, UPS, air, or sea freight.

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

A: Each bearing includes NTN’s original packaging with防伪标签, laser marking, and traceability code verifiable through official channels. We provide complete documentation for authenticity confirmation.

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
23140CDKE4?

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-23140C 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