62219 Bearing 95x170x43mm | RHD Bearings

95mm bore that reaches new heights while maintaining its down-to-earth reliability.

Meet the 62219: With 8440kg (82.8kN) of engineering excellence and 95mm precision, this bearing delivers the perfect blend of personality and performance for your critical applications. The most widely used bearing in electronics, small motors, and precision instruments.

95mm
Bore Diameter
170mm
Outer Diameter
43mm
Width
82.8 kN
Load Rating
8440 Kg
Load Capacity
4.2 Kg
Weight
62219 Bearing 95×170×43mm - RHD Bearings

62219 BEARING SPECIFICATIONS

Precision-engineered for reliability and performance

🔍 Common Search Terms

95mm bearing extreme heavy duty applications 62219 bearing load capacity specifications industrial bearing 95x170x43 dimensions mining equipment bearing 95mm machinery bearing Mumbai supplier extreme load bearing 95mm shaft

📏Dimensions

d - ID (Bore Diameter)
95mm
D - OD (Outer Diameter)
170mm
B - Width
43mm
62219 Bearing: 95 × 170 × 43mm

Cross-Sectional View

62219 deep groove ball bearing technical drawing showing cross-sectional view, dimensions and specifications

Load Ratings

Dynamic Load (Cr) 82.8kN
Static Load (Cor) 33.8kN
Load Capacity (kN) 82.8kN
Load Capacity (kg) 8440kg

💡What This Means

Dynamic Load (82.8kN): Maximum force while rotating. Exceeding this causes rapid wear and failure within hours.
Static Load (33.8kN): 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 3400 RPM
Oil Lubrication 4400 RPM
RHD Z2V2 Bearings 1400 RPM
RHD Z3V3 Bearings 2880 RPM
RHD Z4V4 Bearings 6000+ RPM

💡What This Means

Grease Limit (3400 RPM): Heat generation increases exponentially above this. Grease breaks down, causing seizure.
Oil Advantage (4400 RPM): Better heat dissipation allows higher speed. Required for high-speed spindles.
Safe Operating Speed: Use 90% of limit (3060 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 62219 application worldwide

📊Vibration Classes

V2 Grade
Low: 210 μm/s
Med: 180 μm/s
High: 270 μm/s
V3 Grade
Low: 145 μm/s
Med: 125 μm/s
High: 180 μm/s
V4 Grade
Low: 75 μm/s
Med: 75 μm/s
High: 115 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 < 55 dB
Z3 Grade < 50 dB
Z4 Grade (Quiet) < 43 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) 1-18 μm
C0 (Normal) 12-36 μm
C3 (Loose) 30-58 μm
C4 (High Temp) 53-84 μm
C5 (Extra High Temp) 75-120 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

62219

High Speed

Open bearing, no seals

Speed Factor: 1.0 (3400 RPM)
Protection: None
Lubrication: External required

62219-Z

Balanced

Single metal shield

Speed Factor: 0.95 (3230 RPM)
Protection: Light dust protection
Lubrication: Pre-greased

62219-RS

Protected

Single rubber seal

Speed Factor: 0.8 (2720 RPM)
Protection: Moisture and dust
Lubrication: Pre-greased, sealed

APPLICATIONS

Precision performance across industries

Conveyor Systems

  • Aggregate belt rollers
  • Heavy sorting cluster drives
  • Large baggage conveyors
  • Pack station transfers
  • Box drop shifters
  • Bulk pushers
  • Industrial takeoff drums
  • Material spreader axles

Key Requirements: 95mm shaft with 73kN (≈7,440kg) dynamic, 2,200 RPM grease, 170x39mm for conveyor network

Heavy Haulers

  • Bulk wagon drives
  • Log hauler axles
  • Mining truck beds
  • Construction transporters
  • Freight platform wheels
  • Mass mover trays
  • Quarry vehicle axles
  • Earthwork dumper axles

Key Requirements: 95mm bore, 62kN (≈6,320kg) static, tough for site transport

Transfer Carts

  • Cable laying wagons
  • Hot batch transferers
  • Section shift carts
  • Assembly flat carriers
  • Rolling stage foundations
  • Equipment plant trucks
  • Load transfer bed axles
  • Container ship dock carts

Key Requirements: 95mm bore, 39mm width, engineered for batch shift operations

Compatible Models & Shaft Requirements

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

🔧Shaft Requirements

Nominal Diameter 95.000mm
Tolerance Grade h6 (94.987-95.013mm)
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 extreme-duty applications, providing superior hardness, wear resistance, and fatigue life under massive loads.

⚙️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 service life. Proper tools and techniques prevent 80% of premature failures in extreme-duty applications.

📊Performance Comparison

Handles 8446kg load capacity with maximum 43mm width. Superior Gcr15 steel vs. standard steel in competing products.

💰Value Engineering

Premium quality with competitive pricing for extreme-duty applications. Quality bearings last 3-10x longer than cheap alternatives, reducing total cost of ownership.

FREQUENTLY ASKED QUESTIONS

Expert guidance for 62219 bearing applications

Bearing Selection & Replacement

Can a 62219 bearing handle 8500kg loads in mining equipment?

Close but not recommended - 62219 handles 8446kg (8445.6kg (82.8kN)), just under your 8500kg requirement.
Why This Matters
Operating above rated capacity significantly reduces bearing life and increases catastrophic failure risk. The 54kg difference represents less than 1% margin, which is insufficient for shock loads, misalignment, or contamination effects common in mining operations.
How To Handle It
Consider 62320 or larger series for loads approaching 8500kg. If space constraints require 62219, ensure perfect conditions including alignment, premium lubrication, shock load elimination, and continuous monitoring systems.
Mining applications require 25% safety margin minimum - for 8500kg loads, specify bearings rated at least 10,600kg capacity.

What's the difference between 62219 and standard 6219 bearings?

62219 has 43mm width vs 6219's 32mm width, providing significantly higher load capacity in same bore size.
Why This Matters
The extra 11mm width increases load capacity from 11220.0kg (110kN) to 82.8kN dynamic load rating. This makes 62219 ideal for extreme load applications without changing shaft diameter. The wider design provides maximum stability under severe combined loads and shock conditions.
How To Handle It
Verify available space - ensure 43mm width fits your application. Check shaft shoulder dimensions and housing depth requirements carefully. Consider extreme load requirements to justify the wider, significantly more expensive bearing.
62219 costs 50% more than 6219 but handles 75% higher loads - excellent value for extreme-duty applications.

Is 62219 suitable for 95mm extreme mining equipment shafts?

Excellent choice for extreme mining equipment requiring maximum load capacity on 95mm shafts.
Why This Matters
Extreme mining equipment like large draglines and shovels subject bearings to massive loads, severe shock, and extremely harsh environments. The 62219's 8446kg capacity and maximum width design handle the most demanding mining applications with exceptional stability.
How To Handle It
Mandate sealed versions (62219-2RS) for contaminated mining environments. Implement comprehensive condition monitoring and automatic lubrication systems. Consider redundant bearing arrangements for critical applications.
Mining equipment demands maximum protection - 62219-2RS with comprehensive monitoring provides 3-5 year service life in extreme conditions.
Installation & Maintenance

What tools are needed to install a 4.20kg 62219 bearing properly?

Heavy-duty hydraulic systems, precision induction heater, and advanced alignment tools for proper 95mm bore installation.
Why This Matters
Proper installation prevents 80% of premature bearing failures. The 4.20kg weight and 95mm bore with 43mm width require heavy-duty specialized tools to avoid damage. The maximum width makes ultra-precise alignment critical to prevent edge loading.
How To Handle It
Heat bearing to 80-100°C using precision induction heater for uniform heating. Use heavy-duty hydraulic installation and removal tools. Verify shaft tolerances (h6: 94.987-95.013mm) using precision instruments. Never use impact methods.
Professional installation teams with specialized tools prevent 90% of installation-related failures - essential for extreme-duty bearings.

How often should I inspect a 62219 bearing running at 3200 RPM?

Continuous monitoring for bearings operating at 3200 RPM in extreme-duty applications.
Why This Matters
Operating at 94% of rated speed with extreme loads requires constant surveillance. The combination of maximum loads and high speeds generates extreme heat and stress. Continuous monitoring prevents catastrophic failures that can destroy entire equipment systems.
How To Handle It
Implement continuous condition monitoring systems including temperature, vibration, and ultrasonic monitoring. Perform detailed inspections weekly. Use predictive maintenance software for trend analysis and failure prediction.
Wireless sensor networks provide real-time monitoring - essential for preventing catastrophic failures in critical extreme-duty equipment.

What lubrication schedule works for 62219 in extreme mining applications?

Continuous automatic lubrication with monitoring, purging contaminated lubricant every 200-500 operating hours.
Why This Matters
Extreme mining applications generate massive heat, contamination, and stress requiring continuous lubrication management. The 62219's 8446kg capacity and harsh operating conditions accelerate lubricant degradation rapidly. Contamination can destroy bearings within hours.
How To Handle It
Implement automatic lubrication systems with contamination monitoring. Use extreme-pressure synthetic lubricants for maximum protection. Filter all lubricant supplies and purge contaminated grease immediately upon detection.
Centralized lubrication systems with contamination monitoring extend bearing life to 5000+ hours while reducing maintenance requirements.
Troubleshooting

Why does my 62219 bearing overheat under 8000kg loads?

8000kg is 95% of capacity - verify all conditions and consider enhanced cooling or larger bearing.
Why This Matters
Operating at 95% of rated capacity generates extreme heat, especially with any system imperfections. The minimal safety margin provides no protection against contamination, misalignment, thermal effects, or shock loads that increase effective loading beyond design limits.
How To Handle It
Verify actual loads including all dynamic, thermal, and shock factors. Check alignment using laser systems within 0.005mm tolerance. Ensure maximum lubrication flow rate and implement forced cooling systems. Consider larger bearing if temperatures exceed 65°C.
Continuous thermal monitoring with automatic shutdown prevents thermal damage - temperatures above 75°C require immediate intervention.

What causes catastrophic vibration in 62219 bearings at 3000 RPM?

Catastrophic vibration indicates severe internal damage, critical misalignment, or massive contamination requiring immediate shutdown.
Why This Matters
High-speed vibration in large extreme-duty bearings indicates imminent catastrophic failure. The maximum 43mm width makes the bearing extremely sensitive to mounting errors and alignment issues. Continued operation will cause equipment destruction and safety hazards.
How To Handle It
Execute emergency shutdown immediately. Conduct comprehensive inspection using precision instruments. Check all mounting surfaces, shaft runout, and housing concentricity to aerospace standards. Replace bearing and investigate root cause thoroughly.
Emergency shutdown protocols prevent secondary damage - catastrophic bearing failure can destroy entire drive trains costing millions.

How do I diagnose problems with 95mm 62219 bearings in critical mining equipment?

Use comprehensive monitoring including thermal, vibration, ultrasonic, oil analysis, and acoustic emission for complete diagnosis.
Why This Matters
The 95mm bore and extreme-duty applications make comprehensive diagnosis critical for preventing catastrophic failures and equipment destruction. Multiple diagnostic techniques reveal different problem aspects requiring coordinated analysis for proper intervention timing.
How To Handle It
Establish comprehensive baseline measurements when new. Use thermal imaging, vibration analysis, ultrasonic monitoring, lubricant analysis, and acoustic emission monitoring. Implement AI-based predictive maintenance systems for pattern recognition.
Multi-sensor predictive maintenance systems using AI can predict failures 3-6 months in advance - essential for critical mining equipment.
Cost & Performance

Is it worth upgrading from 7500kg to 62219's 8446kg capacity?

Yes, the extra 946kg capacity provides 13% safety margin and dramatically extended service life.
Why This Matters
The capacity increase reduces stress levels significantly, potentially extending bearing life by 2-4 times. The cost difference is minimal compared to equipment downtime, catastrophic failure costs, and safety risks in extreme mining operations where failures can be fatal.
How To Handle It
Calculate total lifecycle cost including installation, downtime, emergency repairs, safety risks, and insurance implications. Consider liability and regulatory compliance requirements. Evaluate current failure patterns and emergency response costs.
13% capacity margin in extreme mining applications can increase bearing life by 300-400% while reducing catastrophic failure risk significantly.

When should I pay more for bearings rated above 3400 RPM?

Only when operating speeds regularly exceed 3000 RPM or require speed capability for critical process requirements.
Why This Matters
Higher speed ratings require extremely tight tolerances, premium materials, and specialized manufacturing - dramatically increasing cost. The 3400 RPM rating handles most extreme industrial applications effectively without the extreme premium cost of higher speed ratings.
How To Handle It
Analyze all operating speeds including emergency conditions, startup transients, and future expansion requirements. Consider process criticality and downtime costs against premium bearing investment. Compare total system cost including speed-related modifications.
Specify speed rating 10% above maximum operating speed for extreme-duty applications - provides necessary safety without excessive cost.

What's the cost difference between 62219 and larger 62220 bearings?

62220 costs 40-50% more than 62219 but provides 15% higher load capacity for 100mm vs 95mm shafts.
Why This Matters
The 5mm size progression at this level involves significant material volume and manufacturing complexity increases. The capacity improvement and larger size require specialized tooling and handling equipment. Understanding extreme bearing cost scaling helps optimize selection.
How To Handle It
Compare total application cost including shaft modifications, specialized tooling, handling equipment, and installation costs. Evaluate if load requirements justify the larger size or if system redesign could accommodate current bearing size.
At extreme sizes, the 5mm progression provides diminishing capacity returns - ensure load requirements truly justify the significant cost increase.
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