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NTN Thrust Ball Bearing 51116 51216 for Low Speed Reducer with ISO9001 Certification thumbnail 1
NTN Thrust Ball Bearing 51116 51216 for Low Speed Reducer with ISO9001 Certification - Side View thumbnail 2
NTN Thrust Ball Bearing 51116 51216 for Low Speed Reducer with ISO9001 Certification - Detail thumbnail 3
NTN Thrust Ball Bearing 51116 51216 for Low Speed Reducer with ISO9001 Certification - Dimension thumbnail 4
NTN GENUINE
IN STOCK
NTN Thrust Ball Bearing 51116 51216 for Low Speed Reducer with ISO9001 Certification
NTN Thrust Ball Bearing 51116 51216 for Low Speed Reducer with ISO9001 Certification - Side View
NTN Thrust Ball Bearing 51116 51216 for Low Speed Reducer with ISO9001 Certification - Detail
NTN Thrust Ball Bearing 51116 51216 for Low Speed Reducer with ISO9001 Certification - Dimension
Model
51116
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

NTN Thrust Ball Bearing 51116 51216 for Low Speed Reducer with ISO9001 Certification

MODEL: 51116 100% Genuine · Traceable

Ensure reliable low-speed reducer performance with NTN Thrust Ball Bearing 51116 51216 — designed to deliver stable axial load handling and minimize downtime in industrial applications. These ISO 9001-certified bearings feature separated raceways for easy installation and maintenance, paired with precision ratings from P0 to P2 to meet your machinery’s exact tolerance needs.80x105x19mm dimensions with single-row design optimized for low-speed, high-thrust operationsGrease or oil lubrication flexibility adapts to diverse working conditionsImmediate stock availability ensures production schedules stay on track, backed by full traceability documentation for seamless logistics

Key Specifications
SPEC-01
Bore (d)
80mm
OD (D)
105mm
Width (B)
19mm
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)80 mm
Outer Diameter (D)105 mm
Width (B)19 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 reliable low-speed reducer performance with NTN Thrust Ball Bearing 51116 51216 — designed to deliver stable axial load handling and minimize downtime in industrial applications. These ISO 9001-certified bearings feature separated raceways for easy installation and maintenance, paired with precision ratings from P0 to P2 to meet your machinery’s exact tolerance needs.

  • 80x105x19mm dimensions with single-row design optimized for low-speed, high-thrust operations
  • Grease or oil lubrication flexibility adapts to diverse working conditions
  • Immediate stock availability ensures production schedules stay on track, backed by full traceability documentation for seamless logistics

Description

Product Specifications

Parameter Details
Model NO. 51116 51216
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
Transport Package Carton Pallet
Specification 80×105×19 mm
Origin China
HS Code 8482102000

Application Industries

Industry Typical Equipment
General Machinery Low Speed Reducers, Gearboxes, Conveyors
Manufacturing Material Handling Equipment, Press Machines
Industrial Drives Transmission Systems, Rotary Tables

Stop Reducer Downtime with NTN Thrust Ball Bearings 51116 51216

OEM manufacturers know the cost of unexpected reducer failures—hours of production loss, emergency maintenance fees, and missed delivery deadlines. Counterfeit thrust bearings often fail prematurely under axial loads, while multi-tier distributors delay shipments by 30-50%, disrupting production schedules.

Genuine NTN Thrust Ball Bearings, In Stock and Ready to Ship

As an official NTN distributor, we supply 100% genuine 51116 and 51216 Thrust Ball Bearings with full traceability. Our WMS system maintains real-time inventory, ensuring these ISO9001-certified bearings are available for immediate dispatch. Designed for low speed reducers, they handle axial loads efficiently in industrial transmission applications.

Optimal Performance in Low Speed, High Axial Load Conditions

NTN Thrust Ball Bearings 51116 and 51216 excel in low speed reducer applications where axial load support is critical. Their single-row design with 0° contact angle ensures pure axial load handling, while the separated inner and outer rings simplify installation and maintenance. The 80×105×19 mm dimension fits standard reducer assemblies, making them ideal for retrofits and new builds.

Technical Features That Ensure Reliability

These bearings offer multiple precision grades from P0 to P2, allowing customization based on application requirements. The Z1V1 to Z3V3 vibration classes minimize noise and vibration, critical for smooth reducer operation. Constructed with high-quality bearing steel, they maintain structural integrity under continuous loads, while grease or oil lubrication options provide flexibility for different operating environments.

Avoid Hidden Costs of Counterfeit Bearings

Non-genuine thrust bearings may save upfront costs but often lead to catastrophic failures. A single counterfeit bearing failure in a reducer can cause gear damage, shaft misalignment, and unplanned downtime costing thousands in production losses. Our NTN bearings come with complete traceability documentation, eliminating customs clearance issues and quality disputes.

Why Global Manufacturers Trust Our Supply

With over 10 years of technical expertise, we serve clients in 50+ countries, including automotive OEMs and machinery manufacturers. Our three-level quality inspection system ensures every bearing meets ISO 9001 standards. We offer dedicated account managers to track orders from warehouse to delivery, with global door-to-door logistics and flexible OEM customization to match specific reducer requirements.

Packaging & Shipping

  • Carton pallet packaging with protective inner layers
  • Package Size: 12.50cm × 12.50cm × 3.90cm
  • Package Gross Weight: 0.440kg
  • 3-7 business days delivery for in-stock items
  • DHL, FedEx, UPS, air, and sea freight options available
  • Real-time logistics tracking provided
  • Minimum order quantity: 1 piece

Get Your Reducer Bearings Delivered Fast

Don’t let bearing shortages halt your production. Send us your model list, operating conditions, and order volume today. We’ll provide a formal quotation with brand authorization within 24 hours, including sample testing options for quality verification.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

A: Yes, we are an official NTN distributor. Every bearing comes with traceability documents and brand authorization to ensure authenticity.

Q: How do I confirm if 51116/51216 fits my reducer?

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

Q: What is your warranty policy?

A: We offer manufacturer warranty coverage. Any bearing with manufacturing defects will be replaced unconditionally.

Q: What is the minimum order quantity?

A: We accept orders for 1 piece, supporting both emergency repairs and bulk production needs.

Q: How quickly can you ship?

A: In-stock bearings ship within 3-7 business days via your preferred logistics method (DHL/FedEx/UPS/air/sea).

Q: How to verify bearing authenticity?

A: Each bearing includes NTN’s original packaging, laser marking, and traceability certificates. We can assist with official verification through NTN’s 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
51116?

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-51116 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