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NTN GENUINE
IN STOCK
NTN Cylindrical Roller Bearings NJ2210 Nu1024 for Air Compressor Smooth Operation
NTN Cylindrical Roller Bearings NJ2210 Nu1024 for Air Compressor Smooth Operation - Side View
NTN Cylindrical Roller Bearings NJ2210 Nu1024 for Air Compressor Smooth Operation - Detail
NTN Cylindrical Roller Bearings NJ2210 Nu1024 for Air Compressor Smooth Operation - Dimension
Model
NTN-1200
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

NTN Cylindrical Roller Bearings NJ2210 Nu1024 for Air Compressor Smooth Operation

MODEL: NTN-1200 100% Genuine · Traceable

Ensure smooth, reliable air compressor operation with genuine NTN Cylindrical Roller Bearings—engineered to minimize downtime and maintain consistent performance in high-pressure industrial environments. The NJ2210 model (50mm×90mm×25mm) features precision-grade bearing steel construction and P0-P2 tolerance options, delivering low noise operation and extended service life even under continuous radial loads.Direct authorized supply ensures full traceability documentation, eliminating customs clearance delays and quality concernsUnseparated design with optimized internal geometry reduces vibration, critical for maintaining air compression efficiencyBacked by 10+ years of technical expertise—we provide OEM customization and after-sales support to match your specific compressor model requirements

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

Ensure smooth, reliable air compressor operation with genuine NTN Cylindrical Roller Bearings—engineered to minimize downtime and maintain consistent performance in high-pressure industrial environments. The NJ2210 model (50mm×90mm×25mm) features precision-grade bearing steel construction and P0-P2 tolerance options, delivering low noise operation and extended service life even under continuous radial loads.

  • Direct authorized supply ensures full traceability documentation, eliminating customs clearance delays and quality concerns
  • Unseparated design with optimized internal geometry reduces vibration, critical for maintaining air compression efficiency
  • Backed by 10+ years of technical expertise—we provide OEM customization and after-sales support to match your specific compressor model requirements

Description

Product Specifications

Parameter Details
Model NO. NJ2210
Outer Dimension Medium and Large(120-190mm)
Material Bearing Steel, Chrome Steel
Spherical Aligning Bearings
Load Direction Radial Bearing
Separated Unseparated
Feature Long Life / Durable / Low Voice
Precision Rating P0 P6 P5 P4 P2
Service OEM Service
Transport Package Carton Pallet
Specification 50mm×90mm×25mm
Trademark NTN
Origin Japan
HS Code 8482300000
Production Capacity 1000000
Package Size 7.00cm * 11.00cm * 4.00cm
Package Gross Weight 1.000kg

Application Industries

Industry Typical Equipment
General Machinery Air Compressors

Stop Air Compressor Downtime with Reliable NTN Cylindrical Roller Bearings NJ2210

Air compressor operators know the frustration of unexpected shutdowns due to bearing failure. Counterfeit bearings often fail prematurely, causing production delays and costly repairs. Sourcing genuine NTN bearings through multi-tier distributors can stretch lead times by 30-50%, making it hard to align with maintenance schedules.

Genuine NTN Bearings for Smooth Air Compressor Operation

As an official NTN distributor, we supply authentic NTN Cylindrical Roller Bearings NJ2210 designed for air compressors. Our direct supply chain ensures traceability, while our WMS real-time inventory system guarantees availability. These bearings, with dimensions 50mm×90mm×25mm, deliver the durability and low noise essential for continuous compressor performance.

Optimal Performance in Air Compressor Conditions

NTN Cylindrical Roller Bearings NJ2210 excel in the radial load conditions of air compressors. Their robust bearing steel construction handles the high rotational speeds and consistent pressure demands of industrial compressors, ensuring smooth operation and reducing maintenance interruptions.

Technical Features That Matter for Air Compressors

The NJ2210 bearings feature precision ratings from P0 to P2, allowing selection based on specific compressor requirements. Their low voice operation minimizes noise in work environments, while the long-life design reduces replacement frequency. The 50mm×90mm×25mm specification ensures proper fit in standard compressor assemblies, and the unseparated design simplifies installation and maintenance.

Avoid the Hidden Costs of Non-Genuine Bearings

Choosing non-genuine bearings may seem cost-effective initially, but the risks are significant. Counterfeit bearings lack proper material quality and manufacturing standards, leading to early failure. This can result in compressor downtime, repair costs, and even secondary damage to other components. Our genuine NTN bearings come with complete traceability documentation, ensuring compliance and reducing liability risks.

Why Global Buyers Choose Our NTN Bearings

With over 10 years of experience, we serve clients in 50+ countries, specializing in OEM supply and global wholesale. Our ISO 9001 compliant three-level quality inspection system ensures every bearing meets NTN standards. We offer dedicated technical support, from model selection to failure analysis, and flexible OEM customization. Our global door-to-door logistics ensure timely delivery, with a dedicated account manager tracking your order from warehouse to installation.

Packaging & Shipping

  • Original NTN packaging with Carton Pallet for secure transport
  • Package Size: 7.00cm * 11.00cm * 4.00cm
  • Package Gross Weight: 1.000kg
  • Global door-to-door logistics via DHL, FedEx, UPS, air or sea freight
  • Real-time order tracking provided
  • Flexible order quantities to support both maintenance and production needs

Get Your NTN NJ2210 Bearings Today

Don’t let bearing issues disrupt your air compressor operation. Send us your model requirements, application details, and quantity, and we’ll provide a formal quotation with brand authorization and traceability certificates within 24 hours. Our ready inventory ensures quick delivery, minimizing your downtime.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

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

Q: How do I confirm if NJ2210 is the right bearing for my air compressor?

A: Provide your air compressor model or operating parameters, and our technical team will verify the correct bearing型号 for your specific application.

Q: What is your warranty policy?

A: We stand by the quality of genuine NTN products. Manufacturing defects are covered under NTN’s original warranty, with unconditional replacement.

Q: What is the minimum order quantity?

A: We accept orders starting from 1 piece, supporting both emergency repairs and bulk production requirements.

Q: How long does shipping take?

A: With WMS real-time inventory, we typically ship within 3-7 business days. Delivery time depends on your location and chosen logistics method.

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

A: Each bearing comes with NTN’s original packaging and markings. We provide full traceability documentation, and you can cross-verify using NTN’s 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-1200?

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-12 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