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NTN GENUINE
IN STOCK
Hydraulic Tools Oil Resistant NTN 6214 Deep Groove Ball Bearing 70X125X24mm for Gearbox
Hydraulic Tools Oil Resistant NTN 6214 Deep Groove Ball Bearing 70X125X24mm for Gearbox - Side View
Hydraulic Tools Oil Resistant NTN 6214 Deep Groove Ball Bearing 70X125X24mm for Gearbox - Detail
Hydraulic Tools Oil Resistant NTN 6214 Deep Groove Ball Bearing 70X125X24mm for Gearbox - Dimension
Model
6214
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Hydraulic Tools Oil Resistant NTN 6214 Deep Groove Ball Bearing 70X125X24mm for Gearbox

MODEL: 6214 100% Genuine · Traceable

Ensure smooth gearbox operation in hydraulic tools with this NTN 6214 bearing, engineered for oil resistance and reliable performance in high-pressure environments. The 70X125X24mm deep groove ball bearing delivers consistent rotation under lubricated conditions, reducing downtime and maintenance needs for machinery manufacturers and service providers.Precision-machined bearing steel construction ensures durability in automotive, fan, and gearbox applicationsGrease or oil lubrication flexibility adapts to specific working conditions, enhancing operational efficiencyAvailable for sample testing and small-batch trials, backed by full traceability documentation for seamless compliance

Key Specifications
SPEC-01
Bore (d)
70mm
OD (D)
125mm
Width (B)
24mm
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)70 mm
Outer Diameter (D)125 mm
Width (B)24 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 TypeDeep Groove Ball 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 gearbox operation in hydraulic tools with this NTN 6214 bearing, engineered for oil resistance and reliable performance in high-pressure environments. The 70X125X24mm deep groove ball bearing delivers consistent rotation under lubricated conditions, reducing downtime and maintenance needs for machinery manufacturers and service providers.

  • Precision-machined bearing steel construction ensures durability in automotive, fan, and gearbox applications
  • Grease or oil lubrication flexibility adapts to specific working conditions, enhancing operational efficiency
  • Available for sample testing and small-batch trials, backed by full traceability documentation for seamless compliance

Description

Product Specifications

Parameter Details
Model NO. 6214
Type Deep Groove Ball Bearing
Bore Diameter (d) 70mm
Outside Diameter (D) 125mm
Width (B) 24mm
Material Bearing Steel
Lubrication Grease or Oil
Trademark NTN
Origin Japan
HS Code 8482300000
Condition New Original

Application Industries

Industry Typical Equipment
Automotive Transmission Systems, Gearboxes
General Machinery Hydraulic Tools, Industrial Fans
Manufacturing Gearbox Assemblies, Power Transmission Units

Eliminate Gearbox Downtime with Oil Resistant NTN 6214 Deep Groove Ball Bearing

Counterfeit bearings in hydraulic tools and gearboxes often fail within months, causing unplanned shutdowns and production losses. Multi-tier distribution channels delay critical replacements by 30–50%, while incomplete traceability documents create customs clearance headaches. For OEM manufacturers, these issues aren’t just inconveniences—they directly impact your bottom line.

Genuine NTN 6214 Bearings, Delivered When You Need Them

As an official NTN distributor, we provide 100% traceable NTN 6214 deep groove ball bearings with ISO 9001 compliant quality inspection. Our WMS real-time inventory ensures this 70X125X24mm oil resistant bearing is ready for immediate dispatch, eliminating the wait times of traditional supply chains. Designed for gearboxes and hydraulic tools, it maintains performance under oil exposure and heavy loads, keeping your equipment running reliably.

Engineered for Oil-Exposed Industrial Environments

The NTN 6214 bearing thrives in demanding conditions where oil resistance is critical. Its bearing steel construction and precision design ensure stable operation in gearboxes, where constant lubricant exposure and rotational stress test component durability. Whether in automotive transmission systems or industrial hydraulic tools, this deep groove ball bearing delivers consistent performance, reducing the risk of premature failure.

Key Technical Features for Reliable Performance

The 70mm bore diameter and 125mm outer diameter of the NTN 6214 provide optimal load distribution, while the 24mm width enhances stability during high-speed rotation. Its compatibility with both grease and oil lubrication allows flexibility across applications, ensuring proper lubricant retention even in oil-rich environments. As a deep groove ball bearing, it accommodates radial and axial loads, making it suitable for the dynamic forces in gearbox operations. NTN’s manufacturing precision guarantees batch consistency, critical for OEM production lines.

Why Genuine NTN Bearings Lower Your Total Cost

Choosing genuine NTN 6214 bearings over gray-market alternatives reduces long-term costs significantly. Counterfeit bearings may cost less upfront but often fail within 3–6 months, leading to $5,000–$20,000 in downtime losses per incident. Our oil resistant deep groove ball bearings, backed by NTN’s engineering, typically last 2–3 times longer, minimizing replacement frequency and maintenance expenses. Full traceability documentation also avoids customs delays and liability disputes, ensuring smooth international shipments.

Our Commitment to Your Production Success

With 10+ years of technical expertise and service in 50+ countries, we stand behind every NTN 6214 bearing. Our three-level quality inspection system verifies each unit before shipment, and our dedicated account managers provide end-to-end support—from order placement to after-sales technical guidance. As an authorized distributor, we offer OEM customization options to meet specific gearbox requirements, ensuring the bearing aligns with your exact application needs. Our global door-to-door logistics network delivers on-time, whether you need a single unit for emergency repair or bulk orders for production.

Packaging & Shipping

  • Original NTN packaging with product traceability labels, outer carton and pallet reinforcement
  • Stock availability ensures dispatch within 24 hours of order confirmation
  • Flexible logistics options: DHL, FedEx, UPS, air freight, or sea freight to match urgency
  • Real-time tracking provided for all shipments
  • Minimum order quantity: 1 unit, supporting both maintenance and production needs

Secure Your NTN 6214 Bearing Today

Don’t let bearing issues disrupt your production schedule. Send us your NTN 6214 model requirements, application details, and quantity, and we’ll provide a formal quotation with traceability certificates within 24 hours. Early ordering ensures you have the right bearing on hand when you need it most—keeping your gearboxes and hydraulic tools operating at peak efficiency.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

A: Yes, we are an official NTN authorized distributor. Every NTN 6214 bearing comes with complete traceability documentation to verify authenticity, including brand authorization certificates.

Q: How do I confirm if the NTN 6214 fits my gearbox?

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

Q: What is the warranty policy?

A: All bearings are covered by NTN’s original manufacturer warranty, with unconditional replacement for manufacturing defects.

Q: What is the minimum order quantity?

A: We accept orders from 1 unit, supporting both emergency repairs and bulk OEM production needs.

Q: How long does shipping take?

A: In-stock NTN 6214 bearings ship within 24 hours, with delivery times of 3–7 business days via express courier (DHL/FedEx/UPS) or longer for sea freight.

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

A: Check the NTN laser marking on the bearing outer ring, scan the packaging’s QR code for traceability, and request our official authorization documents for 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
6214?

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-6214 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