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Cylindrical Roller Bearing NF318EM 90x190x45mm for Automotive Machinery OEM Supply thumbnail 1
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Cylindrical Roller Bearing NF318EM 90x190x45mm for Automotive Machinery OEM Supply - Dimension thumbnail 4
NTN GENUINE
IN STOCK
Cylindrical Roller Bearing NF318EM 90x190x45mm for Automotive Machinery OEM Supply
Cylindrical Roller Bearing NF318EM 90x190x45mm for Automotive Machinery OEM Supply - Side View
Cylindrical Roller Bearing NF318EM 90x190x45mm for Automotive Machinery OEM Supply - Detail
Cylindrical Roller Bearing NF318EM 90x190x45mm for Automotive Machinery OEM Supply - Dimension
Model
NTN-276
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Cylindrical Roller Bearing NF318EM 90x190x45mm for Automotive Machinery OEM Supply

MODEL: NTN-276 100% Genuine · Traceable

Ensure smooth automotive machinery operation with the reliable Cylindrical Roller Bearing NF318EM (90x190x45mm), designed to deliver consistent radial load performance in high-demand industrial environments. As an official NTN distributor, we guarantee 100% genuine bearings with full traceability, eliminating compliance hurdles and quality risks for your production line.Non-aligning, single-row design with separated inner/outer rings enables easy installation and maintenance, reducing downtime during equipment servicingPrecision-machined bearing steel construction supports P0-P2 accuracy levels, ensuring stable rotation even under heavy mechanical stressOpen seal configuration allows flexible lubrication options (oil, grease, or dry) to adapt to specific operating conditions

Key Specifications
SPEC-01
Bore (d)
90mm
OD (D)
190mm
Width (B)
45mm
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)90 mm
Outer Diameter (D)190 mm
Width (B)45 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 smooth automotive machinery operation with the reliable Cylindrical Roller Bearing NF318EM (90x190x45mm), designed to deliver consistent radial load performance in high-demand industrial environments. As an official NTN distributor, we guarantee 100% genuine bearings with full traceability, eliminating compliance hurdles and quality risks for your production line.

  • Non-aligning, single-row design with separated inner/outer rings enables easy installation and maintenance, reducing downtime during equipment servicing
  • Precision-machined bearing steel construction supports P0-P2 accuracy levels, ensuring stable rotation even under heavy mechanical stress
  • Open seal configuration allows flexible lubrication options (oil, grease, or dry) to adapt to specific operating conditions

Description

Product Specifications

Parameter Details
Model NO. NF318EM
Material Bearing Steel
Spherical Non-Aligning Bearings
Load Direction Radial Bearing
Separated Separated
Product Name Cylindrical Roller Bearing
Structure Cylindrical
Seals Type Open
Lubricate Oil Grease Dry
Precision Rating P0 P6 P5 P4 P2
Number of Row Single Row
Service OEM ODM
Transport Package Carton Pallet
Specification 90*190*45mm
Trademark SKF NSK NTN TIMKEN KOYO
Origin China
HS Code 8482500090

Application Industries

Industry Typical Equipment
Automotive Transmissions, Gearboxes, Axle Systems
General Machinery Electric Motors, Pumps, Compressors, Conveyors

Stop Production Delays with Genuine NF318EM Cylindrical Roller Bearing

OEM manufacturers know the cost of bearing failure—unplanned downtime, line shutdowns, and lost production hours. Counterfeit bearings with incomplete traceability often fail prematurely, while multi-layer distribution channels stretch delivery times by 30–50%, disrupting production schedules.

NF318EM Bearing: Reliable Supply for Automotive Machinery

As an official NTN distributor, we provide the NF318EM Cylindrical Roller Bearing with full traceability and stable supply. This 90x190x45mm Radial Bearing is engineered for automotive machinery, featuring separated inner and outer rings for easy installation and maintenance. Our WMS real-time inventory ensures quick fulfillment, aligning with your production timelines.

Optimal Performance in Demanding Conditions

The NF318EM Non-Aligning Bearing delivers consistent radial load capacity in high-speed automotive and machinery applications. Its single-row cylindrical structure handles radial forces efficiently, making it suitable for gearboxes and electric motors operating under continuous stress. Proper bearing selection directly impacts equipment lifespan and operational efficiency.

Key Technical Features for Long-Term Reliability

The NF318EM’s precision rating options (P0 to P2) allow customization for specific tolerance requirements—critical for minimizing vibration in high-precision machinery. Its open seal design facilitates lubrication flexibility, supporting oil, grease, or dry运行 conditions based on application needs. The bearing steel construction ensures durability, while the separated design simplifies mounting and dismounting during maintenance, reducing downtime.

Why Genuine Bearings Lower Total Cost of Ownership

Counterfeit bearings may offer lower upfront costs, but they often lead to hidden expenses: early failures cause secondary equipment damage, unplanned maintenance, and production losses. Our 100% genuine NTN bearings come with complete traceability documentation, avoiding customs clearance issues and quality disputes. ISO 9001 compliant three-level quality inspection ensures batch consistency, reducing the risk of premature failure in critical automotive machinery.

Our Commitment to Reliable Supply

With over 10 years of technical expertise, we serve clients across 50+ countries, specializing in OEM bearing supply. Our official authorized supply chain guarantees product authenticity, while a dedicated technical team provides application support—from model selection to failure analysis. Global door-to-door logistics and flexible OEM customization further streamline your procurement process, ensuring you receive the right bearing for your specific needs.

Packaging & Shipping

  • Secure carton and pallet packaging to prevent damage during transit
  • Stock availability ensures 3–7 business days delivery for most regions
  • Multiple logistics options including DHL, FedEx, UPS, air, and sea freight
  • Real-time tracking provided for all shipments
  • Minimum order quantity of 1 piece, supporting both emergency repairs and bulk orders

Get Your NF318EM Bearing Quote Today

Don’t let bearing issues disrupt your production. Send us your NF318EM bearing requirements, including application details and quantity, and our team will provide a formal quotation with traceability certificates within 24 hours. Fast delivery means you can minimize downtime and keep your operations running smoothly.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

A: Yes, we are an official authorized NTN distributor. Every NF318EM bearing comes with complete traceability documentation and brand authorization certificates.

Q: How do I confirm if the NF318EM 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 selection guidance.

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 starting from 1 piece, supporting both emergency maintenance and large-scale OEM production needs.

Q: How long does shipping take?

A: In-stock NF318EM bearings are shipped within 3–7 business days. Logistics options include DHL, FedEx, UPS, air, and sea freight based on your urgency and location.

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

A: Each bearing includes NTN’s original packaging with防伪 labels and laser marking. We also provide full traceability documents for cross-verification 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-276?

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-27 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