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NTN Cylindrical Roller Bearings NU332EM 160x340x68mm for Automotive Machinery OEM Supply thumbnail 1
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NTN GENUINE
IN STOCK
NTN Cylindrical Roller Bearings NU332EM 160x340x68mm for Automotive Machinery OEM Supply
NTN Cylindrical Roller Bearings NU332EM 160x340x68mm for Automotive Machinery OEM Supply - Side View
NTN Cylindrical Roller Bearings NU332EM 160x340x68mm for Automotive Machinery OEM Supply - Detail
NTN Cylindrical Roller Bearings NU332EM 160x340x68mm for Automotive Machinery OEM Supply - Dimension
Model
NTN-732
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

NTN Cylindrical Roller Bearings NU332EM 160x340x68mm for Automotive Machinery OEM Supply

MODEL: NTN-732 100% Genuine · Traceable

Ensure seamless automotive machinery performance with the NTN NU332EM cylindrical roller bearing, engineered to deliver reliable radial load handling and precise operation in critical industrial applications. This 160x340x68mm bearing features separated inner and outer rings for easy installation and maintenance, a design choice that minimizes downtime during repairs—keeping your production line running smoothly when you need it most.Constructed with high-grade bearing steel and precision-rated to P0/P6/P5/P4/P2 standards, ensuring consistent batch quality for OEM manufacturing requirementsSupports both grease and oil lubrication, adapting to diverse operating conditions in automotive and heavy machinery environmentsBacked by NTN's official authorized supply chain, guaranteeing full traceability documentation to streamline customs clearance and quality compliance

Key Specifications
SPEC-01
Bore (d)
160mm
OD (D)
340mm
Width (B)
68mm
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)160 mm
Outer Diameter (D)340 mm
Width (B)68 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

Ensure seamless automotive machinery performance with the NTN NU332EM cylindrical roller bearing, engineered to deliver reliable radial load handling and precise operation in critical industrial applications. This 160x340x68mm bearing features separated inner and outer rings for easy installation and maintenance, a design choice that minimizes downtime during repairs—keeping your production line running smoothly when you need it most.

  • Constructed with high-grade bearing steel and precision-rated to P0/P6/P5/P4/P2 standards, ensuring consistent batch quality for OEM manufacturing requirements
  • Supports both grease and oil lubrication, adapting to diverse operating conditions in automotive and heavy machinery environments
  • Backed by NTN’s official authorized supply chain, guaranteeing full traceability documentation to streamline customs clearance and quality compliance

Description

Product Specifications

Parameter Details
Model NO. NU332EM
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 160*340*68mm
Trademark NTN
Origin Japan
HS Code 8482500090
Production Capacity 100000

Application Industries

Industry Typical Equipment
Automotive Transmissions, Axles, Engine Components
General Machinery Industrial Gearboxes, Pumps, Compressors
Motors Electric Motor Rotors, Generator Shafts
Rail Transit Train Axle Systems, Gear Drives

Stop Production Delays with Genuine NTN NU332EM Cylindrical Roller Bearings

OEM manufacturers face critical challenges daily: counterfeit bearings causing unexpected equipment failures, multi-tier distribution channels extending lead times by 30-50%, and suppliers offering little more than products without technical support. These issues disrupt production schedules, increase downtime costs, and create compliance risks with incomplete traceability documentation.

Genuine NTN Bearings: In Stock and Traceable

As an official NTN distributor, we provide the NTN NU332EM cylindrical roller bearing—160x340x68mm—specifically engineered for automotive and machinery OEM applications. Our WMS real-time inventory ensures stable bulk supply, while our ISO 9001 compliant three-level quality inspection system guarantees product authenticity. Each bearing comes with full traceability documentation, eliminating customs clearance obstacles and quality disputes.

Optimal Performance in Demanding Industrial Environments

The NTN NU332EM cylindrical roller bearing excels in high-load, high-speed industrial scenarios. Its separated structure allows for easy mounting and dismounting, making it ideal for automotive gearboxes and machinery spindles where radial load capacity is critical. With precision ratings from P0 to P2 and vibration classes Z1V1 to Z3V3, this bearing maintains stability under varying operating conditions, reducing maintenance needs and extending equipment lifespan.

Technical Features That Enhance Equipment Reliability

The NU332EM’s 160mm bore size, 340mm outer diameter, and 68mm width balance load capacity with compact design. Constructed from high-grade bearing steel, it delivers exceptional durability under heavy radial loads. The cylindrical structure ensures uniform load distribution across rolling elements, while compatibility with both grease and oil lubrication offers flexibility for different operating temperatures and speeds. Precision ratings up to P2 minimize vibration and noise, critical for precision machinery in automotive manufacturing.

Why Genuine NTN Bearings Reduce Total Cost of Ownership

Gray-market bearings may offer lower upfront costs, but they often lack material quality control and manufacturing precision. This leads to premature failure, causing production line shutdowns that cost far more than the initial savings. Our genuine NTN NU332EM bearings, backed by NTN’s engineering expertise, provide consistent performance and longer service life. With complete traceability and compliance documentation, they reduce the risk of customs delays and liability issues, lowering your total cost of ownership over time.

Our Commitment to Your Production Success

With over 10 years of experience serving 50+ countries, we stand behind every NTN bearing we supply. Our authorized supply chain ensures 100% genuine products, each verified through rigorous quality checks. Our technical team provides application-specific support, from model selection to installation guidance and failure analysis. We offer flexible OEM customization and global door-to-door logistics, with dedicated account managers tracking every order from warehousing to delivery. When you partner with us, you gain a reliable supplier invested in your production efficiency.

Packaging & Shipping

  • Carton and pallet packaging for secure transportation
  • Package Size: 36.00cm * 36.00cm * 8.80cm
  • Package Gross Weight: 34.000kg
  • Global door-to-door logistics via trusted carriers
  • Real-time order tracking for full visibility
  • Flexible order quantities to support both OEM production and maintenance needs

Get Your NTN NU332EM Bearings Delivered Fast

Don’t let supply chain delays or counterfeit risks disrupt your production. Send us your model list, application requirements, and order volume today. We’ll issue a formal quotation with brand authorization and traceability certificates within 24 hours, and support sample testing before mass production. Secure your genuine NTN bearings and keep your equipment running at peak performance.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

A: Yes, we are an official NTN distributor. Every bearing is sourced through the authorized supply chain and comes with complete traceability documentation and brand authorization certificates.

Q: How can I confirm if the NU332EM is suitable for my equipment?

A: Provide your equipment model or operating parameters (load, speed, temperature), and our technical team will verify compatibility and offer application guidance at no cost.

Q: What is your warranty policy?

A: We adhere to NTN’s official warranty standards. All bearings are covered against manufacturing defects, with unconditional replacement or refund for verified issues.

Q: What is the minimum order quantity?

A: We accept orders starting from 1 unit, supporting both emergency maintenance and large-scale OEM production requirements.

Q: How long does shipping take?

A: With WMS real-time inventory, most orders ship within 3-7 business days. We offer DHL, FedEx, UPS, air, and sea freight options to match your delivery timeline.

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

A: Each bearing includes NTN’s original packaging with防伪标签 (anti-counterfeit labels), laser-etched markings, and traceability documents. We can also provide official authorization letters upon request.

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-732?

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-73 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