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Original NTN 51101 Thrust Ball Bearing P0-P2 Precision Grease/Oil Lubrication 65x100x47mm thumbnail 1
Original NTN 51101 Thrust Ball Bearing P0-P2 Precision Grease/Oil Lubrication 65x100x47mm - Side View thumbnail 2
Original NTN 51101 Thrust Ball Bearing P0-P2 Precision Grease/Oil Lubrication 65x100x47mm - Detail thumbnail 3
Original NTN 51101 Thrust Ball Bearing P0-P2 Precision Grease/Oil Lubrication 65x100x47mm - Dimension thumbnail 4
NTN GENUINE
IN STOCK
Original NTN 51101 Thrust Ball Bearing P0-P2 Precision Grease/Oil Lubrication 65x100x47mm
Original NTN 51101 Thrust Ball Bearing P0-P2 Precision Grease/Oil Lubrication 65x100x47mm - Side View
Original NTN 51101 Thrust Ball Bearing P0-P2 Precision Grease/Oil Lubrication 65x100x47mm - Detail
Original NTN 51101 Thrust Ball Bearing P0-P2 Precision Grease/Oil Lubrication 65x100x47mm - Dimension
Model
51101
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Original NTN 51101 Thrust Ball Bearing P0-P2 Precision Grease/Oil Lubrication 65x100x47mm

MODEL: 51101 100% Genuine · Traceable

Ensure uninterrupted production with the NTN 51101 thrust ball bearing, a precision-engineered solution that delivers consistent performance for automotive and machinery applications. Its separated design allows for easy installation and maintenance, while P0-P2 precision ratings ensure reliable load handling up to 65x100x47mm dimensions.Grease or oil lubrication flexibility adapts to your operational conditions, reducing downtime from lubrication mismatchesISO 9001:2008 certified quality with full traceability, eliminating compliance risks in global supply chainsSingle-row construction optimized for thrust loads, backed by NTN’s 10+ years of technical expertise for extended service life

Key Specifications
SPEC-01
Bore (d)
65mm
OD (D)
100mm
Width (B)
47mm
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)65 mm
Outer Diameter (D)100 mm
Width (B)47 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 TypeThrust 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 uninterrupted production with the NTN 51101 thrust ball bearing, a precision-engineered solution that delivers consistent performance for automotive and machinery applications. Its separated design allows for easy installation and maintenance, while P0-P2 precision ratings ensure reliable load handling up to 65x100x47mm dimensions.

  • Grease or oil lubrication flexibility adapts to your operational conditions, reducing downtime from lubrication mismatches
  • ISO 9001:2008 certified quality with full traceability, eliminating compliance risks in global supply chains
  • Single-row construction optimized for thrust loads, backed by NTN’s 10+ years of technical expertise for extended service life

Description

Product Specifications

Parameter Details
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4 P2
Vibration Z1V1 Z2V2 Z3V3
Certification ISO9001:2008
Stock in Stock
Service OEM ODM
Aligning Non-Aligning Bearing
Separated Separated
Rows Number Single
Load Direction Thrust Bearing
Material Bearing Steel
Contact Angle
Specification 65x100x47 mm
HS Code 8482102000

Application Industries

Industry Typical Equipment
Automotive Transmission systems, Axle assemblies, Steering mechanisms
Motors Electric motor end caps, Generator thrust components
General Machinery Gearboxes, Press machines, Material handling equipment
Rail Transit Train bogie components, Railcar braking systems

Stop Production Delays with Genuine NTN 51101 Thrust Ball Bearing

Procurement teams across automotive and machinery sectors often face unexpected line shutdowns due to premature bearing failure. Counterfeit thrust bearings frequently fail within weeks under axial load, causing cascading damage to adjacent components and costing thousands in unscheduled downtime. Multi-tier distribution channels compound the problem, stretching delivery times by 30-50% when replacement parts are needed most urgently.

Genuine NTN 51101 Bearing: In Stock and Traceable

As an official NTN distributor, we eliminate these risks with direct access to the manufacturer’s supply chain. The NTN 51101 thrust ball bearing is currently in stock, available for immediate shipment with complete traceability documentation—critical for customs clearance and quality compliance. Our three-level ISO 9001 inspection process ensures each bearing meets OEM specifications, whether for motor end caps in manufacturing plants or transmission systems in automotive production.

Optimal Performance in Axial Load Applications

The NTN 51101 thrust ball bearing is engineered to handle pure axial loads in single-direction applications. With a 65mm bore diameter, 100mm outer diameter, and 47mm width, it delivers reliable performance in machinery operating under moderate speeds and steady thrust conditions. Its separated design allows for easy installation and maintenance, a key advantage in equipment where downtime must be minimized.

Technical Features That Ensure Reliability

Precision ratings from P0 to P2 accommodate diverse application requirements—P2 grade for high-precision motor assemblies demanding minimal runout, and P0 for general machinery where cost-efficiency matters. The bearing’s 0° contact angle optimizes load distribution for axial forces, while Z1V1 to Z3V3 vibration classes allow selection based on noise sensitivity. Constructed from high-grade bearing steel, it maintains structural integrity under continuous operation, supported by either grease or oil lubrication to match specific operating environments.

Total Cost of Ownership: Why Authenticity Matters

While gray market bearings may offer lower upfront prices, their hidden costs quickly outweigh savings. A single counterfeit NTN 51101 bearing can cause equipment failure leading to production losses, emergency repair fees, and potential damage to expensive machinery. Our genuine bearings, backed by NTN’s manufacturing standards, reduce total cost of ownership through longer service life, predictable performance, and elimination of liability risks from non-compliant components.

Why Global Buyers Choose Our NTN Bearings

With over 10 years serving 50+ countries, our authorized distribution model ensures 100% genuine products with full traceability. Our WMS inventory system provides real-time stock visibility, enabling same-day order processing for urgent requirements. A dedicated technical team offers application-specific guidance, from model selection to installation best practices, while our global door-to-door logistics network ensures on-time delivery regardless of destination. Every order includes complete export documentation, simplifying customs procedures for international clients.

Packaging & Shipping

  • Original NTN packaging with serial number tracking and authenticity verification
  • Secure carton and pallet packaging to prevent damage during transit
  • 3-7 business day delivery for in-stock items via DHL, FedEx, or UPS
  • Customs-cleared shipping to 50+ countries with real-time tracking
  • Flexible order quantities: 1 unit minimum for emergency repairs, bulk pricing for OEM production

Get Your NTN 51101 Bearing Shipped Today

Don’t let bearing-related downtime disrupt your production schedule. Whether you need a single replacement or bulk OEM supply, our streamlined process ensures quick response. Send your order details—including quantity and application requirements—and receive a formal quotation with traceability certificates within 24 hours.

Frequently Asked Questions

Q: Is this NTN 51101 bearing 100% genuine?

A: Yes, we are an officially authorized NTN distributor. Every bearing comes with complete traceability documentation linking to NTN’s original manufacturing records, and we can provide brand authorization certificates upon request.

Q: How do I confirm if this bearing fits my equipment?

A: Provide your equipment model or operating parameters (axial load, speed, temperature), and our technical team will verify compatibility with the NTN 51101 specifications at no cost.

Q: What is the warranty policy for this bearing?

A: We offer NTN’s standard manufacturer warranty, covering manufacturing defects. If a bearing fails under normal operating conditions within the warranty period, we provide replacement or full refund.

Q: What is the minimum order quantity?

A: We accept orders for 1 unit, ideal for emergency repairs. Volume discounts apply to OEM bulk orders.

Q: How quickly can you ship to [country/region]?

A: In-stock NTN 51101 bearings ship within 24 hours. Transit time depends on location: 3-5 days for major cities in Europe, North America, and Southeast Asia; 5-7 days for other regions.

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

A: Check the NTN laser-etched logo on the bearing, verify the serial number against the provided traceability document, and scan the packaging’s QR code to confirm with NTN’s official database.

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
51101?

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-51101 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