6816 Bearing 80×100×10mm

Name: 6816 Bearing 80x100x10mm | 12.70kN Load | RHD Bearings
Brand: RHD Bearings
SKU: 6816

6816 BEARING SPECIFICATIONS

Precision-engineered for reliability and performance

🔍 Common Search Terms

80mm bore bearing compact bearing 100mm outer diameter high speed small bearing 13.7kN load capacity bearing precision miniature bearing 6816 bearing specifications

📏Dimensions

d - ID (Bore Diameter)

80mm

D - OD (Outer Diameter)

100mm

B - Width

10mm

d₁ - Shoulder Diameter

≈86.7mm

D₂ - Recess Diameter

≈95.7mm

r₁,₂ - Chamfer Radius

min. 1.3mm

6816 Bearing: 80 × 100 × 10mm

Cross-Sectional View

⚡Load Ratings

Dynamic Load (Cr) 12.7kN

Static Load (Cor) 13.3kN

Load Capacity (kN) 12.7kN

Load Capacity (kg) 1294kg

💡What This Means

Dynamic Load (12.7kN): Maximum force while rotating. Exceeding this causes rapid wear and failure within hours.

Static Load (13.3kN): Maximum force when stationary. Use 80% for safety.

Calculate Your Load: Measure shaft forces, belt tensions, or gear loads. Include shock/vibration factors.

Failure Warning: Overloading causes bearing raceways to crack and balls to flatten permanently.

🔄Speed Limits

Grease Lubrication 5000 RPM

Oil Lubrication 6500 RPM

RHD Z2V2 Bearings 1400 RPM

RHD Z3V3 Bearings 2880 RPM

RHD Z4V4 Bearings 6000+ RPM

💡What This Means

Grease Limit (5000 RPM): Heat generation increases exponentially above this. Grease breaks down, causing seizure.

Oil Advantage (6500 RPM): Better heat dissipation allows higher speed. Required for high-speed spindles.

Safe Operating Speed: Use 90% of limit (4500 RPM) for maximum L10 life of 10,000+ hours.

Failure Mode: Exceeding speed causes cage failure, ball skidding, and catastrophic overheating within minutes.

🔧Material & Quality

Steel Grade SAE52100

Ball Grade G10

Carbon Content 0.95-1.05%

Chromium Content 1.40-1.65%

ISO Standard 15:2011 Compliant

💡What This Means

SAE52100 Chrome Steel: Premium bearing steel - harder than tool steel

G10 Balls: Ultra-precision balls with ±0.25µm tolerance

High Carbon: Superior hardness and wear resistance

Chromium: Adds corrosion resistance and toughness

ISO Standard: Fits any 6816 application worldwide

📊Vibration Classes

V2 Grade

Low: 180 μm/s

Med: 120 μm/s

High: 240 μm/s

V3 Grade

Low: 130 μm/s

Med: 110 μm/s

High: 160 μm/s

V4 Grade

Low: 65 μm/s

Med: 65 μm/s

High: 100 μm/s

💡What This Means

V2 Grade: Standard grade - good for general applications

V3 Grade: Low vibration - like a smooth car engine

V4 Grade: Ultra-smooth - for precision instruments

Frequency Bands: Measured across different rotation speeds

🔇Noise Levels

Z2 Grade < 50 dB

Z3 Grade < 45 dB

Z4 Grade (Quiet) < 40 dB

Application Precision Equipment

💡What This Means

Z2 Grade: Quiet as a library - good for most applications

Z3 Grade: Very quiet - like a whisper (40 dB = normal whisper)

Z4 Grade: Ultra-quiet - perfect for bedroom fans, medical equipment

Application: Ideal for sensitive environments

⚙️Internal Clearance

C2 (Tight) 1-15 μm

C0 (Normal) 10-30 μm

C3 (Loose) 25-51 μm

C4 (High Temp) 46-71 μm

C5 (Extra High Temp) 65-105 μm

💡What This Means

C2 (Tight): Precision applications - less play, more accurate

C0 (Normal): Standard choice - works for most applications

C3 (Loose): Better for hot environments - allows thermal expansion

C4 (Exta Loose): Hot or tight-fit setups — extra room for thermal expansion.

C5 (Max Loose): Extreme heat/tight fits or near-limit speeds — maximum expansion allowance

SEAL OPTIONS

Choose the right protection for your application

6816-ZZ

When to Use 6816-ZZ

Best For: Electronics, small motors, skateboards, general machinery

Conditions: Dry environments, moderate dust, precision applications

Achieves: Excellent balance of speed and protection for most applications

Avoid When: Heavy water exposure, chemical environments, food processing

6816-2RS

Protected

Double rubber seals

Speed Factor: 0.7 (3710 RPM)

Protection: Moisture and dust

Lubrication: Sealed for life

When to Use 6816-2RS

Best For: Outdoor applications, appliances, automotive systems, dirty environments

Conditions: Moisture, dust, contamination, washdown areas, food processing

Achieves: Maximum protection and zero maintenance requirements

Trade-off: Lower speed limit but superior environmental protection

6816

High Speed

Open bearing, no seals

Speed Factor: 1.0 (5300 RPM)

Protection: None

Lubrication: External required

6816-Z

Balanced

Single metal shield

Speed Factor: 0.95 (5035 RPM)

Protection: Light dust protection

Lubrication: Pre-greased

6816-RS

Protected

Single rubber seal

Speed Factor: 0.8 (4240 RPM)

Protection: Moisture and dust

Lubrication: Pre-greased, sealed

APPLICATIONS

Precision performance across industries

Industrial Pumps

Centrifugal pumps
Chemical dosing pumps
Water treatment pumps
Food and beverage pumps
Cooling tower pumps
Hydraulic fluid pumps
Wastewater pumps
Agricultural irrigation pumps

Key Requirements: 80mm shaft with 12.70kN (≈1294kg) dynamic load, 5,000 RPM grease lubrication, 100×10mm profile for pump motors

Heavy Machinery

Mining machinery pivots
Construction vehicle shafts
Bulk material loaders
Industrial press bearing supports
Forestry equipment joints
Agricultural machine shafts
Mining conveyor rollers
Heavy duty mixers

Key Requirements: Precision 80mm bore with 13.30kN (≈1356kg) static load

Material Transport

Warehouse transfer carts
Forklift wheels
Mining haul truck rollers
Construction site carts
Bulk material haulers
Platform transport wheels
Heavy load dollies
Material handling wheels

Key Requirements: 80mm bore, 10mm width designed for material transport

Compatible Models & Shaft Requirements

Find bearings with the same bore size and ensure proper shaft preparation

🔄Related Models

🔧Shaft Requirements

Nominal Diameter 80.000mm

Tolerance Grade h6 (79.981-80.000mm)

Surface Finish Ra 0.8μm max

Runout Tolerance 0.013mm max

🎯Application-Specific Options

High Temperature: C3 clearance recommended

High Speed: RHD V3 & V4 bearings recommended

Corrosive Environment: SS (Stainless Steel) bearings recommended

Professional Expertise & Standards

Technical insights from 20+ years of bearing engineering and manufacturing excellence

📋ISO Compliance

ISO 15:2011 compliant dimensions ensure interchangeability with global bearing standards and seamless replacement in existing equipment.

🔬Material Science

Gcr15 chrome steel composition optimized for small bearing applications, providing superior hardness, wear resistance, and fatigue life.

⚙️Precision Engineering

C0 clearance standard for most applications, C3 available for high-temperature use. h6 shaft tolerance recommended for optimal performance.

🔧Professional Installation

Professional installation required for maximum 50,000-hour service life. Proper tools and techniques prevent 80% of premature failures.

📊Performance Comparison

Shares the 80mm bore (ID) with 6916, 6016, 16016, so it can be considered where the shaft is fixed at 80mm. The 6816 is rated 12.70kN dynamic / 13.30kN static at 100mm OD — the most compact 80mm-bore option, below the 6916 (24.90kN).

💰Value Engineering

Best value in compact bearing category for 12.70kN performance. Quality bearings last 3-10x longer than cheap alternatives, reducing total cost of ownership.

FREQUENTLY ASKED QUESTIONS

Expert guidance for 6816 bearing applications

Bearing Selection & Replacement ▼

What applications is the 6816 bearing suitable for?

The 6816 bearing is ideal for compact applications requiring high precision, including small motors, fans, precision instruments, and miniature machinery.

Why This Matters

Proper bearing selection ensures optimal performance, longevity, and prevents premature failure in your equipment.

How To Handle It

Consider load requirements (1397.4kg (13.7kN) dynamic), speed needs (5,300 RPM), and space constraints (80x100x10mm dimensions).

For high-speed applications, consider oil lubrication for maximum 6,600 RPM capability.

Can I replace a 6816 bearing with a different model?

Yes, but only with bearings having identical dimensions (80x100x10mm) and similar or higher load ratings to maintain performance.

Why This Matters

Incorrect replacement can cause equipment failure, increased wear, and safety hazards.

How To Handle It

Always verify bore diameter (80mm), outer diameter (100mm), and width (10mm) before replacement.

Check load ratings - replacement bearing should have at least 1397.4kg (13.7kN) dynamic load capacity.

What's the difference between open, shielded, and sealed 6816 bearings?

Open (6816) offers maximum speed, single shield (6816-Z) provides dust protection, double shield (6816-ZZ) offers better sealing, and sealed versions (6816-RS/2RS) provide moisture protection.

Why This Matters

Seal type affects speed capability, maintenance requirements, and environmental protection.

How To Handle It

Choose based on environment: clean indoor use (open), dusty conditions (shields), or wet/harsh environments (seals).

Sealed bearings reduce maintenance but have lower speed ratings - consider your application's priority.

Installation & Maintenance ▼

What shaft tolerance is recommended for 6816 bearing installation?

h6 tolerance (79.991-80.009mm) is recommended for optimal fit and performance with the 80mm bore.

Why This Matters

Proper shaft tolerance ensures correct interference fit, prevents slippage, and maximizes bearing life.

How To Handle It

Machine shaft to h6 tolerance range and ensure surface finish of Ra 0.8μm maximum.

Use proper installation tools to avoid damaging the bearing during press-fit installation.

How often should 6816 bearings be lubricated?

Open bearings require regular lubrication every 3-6 months, while sealed bearings are lubricated for life and don't require maintenance.

Why This Matters

Proper lubrication prevents wear, reduces friction, and extends bearing service life significantly.

How To Handle It

Use high-quality grease suitable for high-speed applications and follow manufacturer's lubrication intervals.

Monitor bearing temperature and noise - changes may indicate lubrication issues.

What's the maximum operating temperature for 6816 bearings?

Standard 6816 bearings operate up to 120°C, with C3 clearance versions suitable for higher temperatures up to 150°C.

Why This Matters

Exceeding temperature limits causes lubricant breakdown, dimensional changes, and premature failure.

How To Handle It

Monitor operating temperature and consider C3 clearance for high-temperature applications.

Use high-temperature grease for applications above 80°C to maintain proper lubrication.

Troubleshooting & Problem Solving ▼

Why is my 6816 bearing running hot?

Common causes include over-lubrication, insufficient lubrication, misalignment, excessive load, or contamination.

Why This Matters

Overheating leads to lubricant breakdown, dimensional changes, and catastrophic bearing failure.

How To Handle It

Check lubrication levels, verify load capacity (max 1397.4kg (13.7kN)), ensure proper alignment, and inspect for contamination.

Use infrared thermometer to monitor bearing temperature - should not exceed 80°C under normal operation.

What causes excessive noise in 6816 bearings?

Noise typically indicates contamination, insufficient lubrication, bearing damage, or improper installation.

Why This Matters

Unusual noise often precedes bearing failure and can indicate serious mechanical issues.

How To Handle It

Inspect for contamination, check lubrication, verify proper installation, and replace if damage is found.

Use stethoscope or vibration analysis to identify noise source and severity.

How do I know when to replace a 6816 bearing?

Replace when you notice excessive play, rough rotation, unusual noise, overheating, or visible damage.

Why This Matters

Delayed replacement can cause equipment damage, safety hazards, and increased downtime costs.

How To Handle It

Perform regular inspections, monitor performance indicators, and replace preventively based on operating hours.

Keep spare bearings on hand for critical applications to minimize downtime.

Cost & Performance Optimization ▼

What's the expected service life of 6816 bearings?

With proper installation and maintenance, 6816 bearings typically provide 20,000-50,000 hours of service life.

Why This Matters

Understanding service life helps with maintenance planning, inventory management, and cost optimization.

How To Handle It

Track operating hours, monitor performance indicators, and plan replacements based on actual service life data.

Implement condition monitoring to optimize replacement timing and avoid unexpected failures.

How can I reduce bearing maintenance costs?

Use sealed bearings for life, implement proper installation procedures, maintain clean operating environment, and use quality lubricants.

Why This Matters

Proper maintenance practices reduce total cost of ownership and prevent expensive equipment damage.

How To Handle It

Choose appropriate bearing type for environment, follow maintenance schedules, and train personnel on proper procedures.

Consider sealed bearings (6816-2RS) for applications where maintenance access is difficult.

What's the cost difference between open and sealed 6816 bearings?

Sealed bearings typically cost 20-30% more than open bearings but eliminate lubrication maintenance costs.

Why This Matters

Understanding cost implications helps make informed decisions about bearing selection and maintenance strategy.

How To Handle It

Calculate total cost of ownership including initial cost, maintenance, and downtime costs over bearing life.

For applications with difficult maintenance access, sealed bearings often provide better value despite higher initial cost.

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