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6003 Bearing 17x35x10mm | RHD Bearings

Perfectly balanced, as all things should be - if Thanos collected bearings instead of infinity stones.

Meet the 6003: With 611kg (6.0kN) of engineering excellence and 17mm 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.

17mm
Bore Diameter
35mm
Outer Diameter
10mm
Width
6.0 kN
Load Rating
611 Kg
Load Capacity
0.04 Kg
Weight
Technical Specifications Applications 📞 Call +91-9702081858
6003 Bearing 17×35×10mm - RHD Bearings

6003 BEARING SPECIFICATIONS

Precision-engineered for reliability and performance

🔍 Common Search Terms

17mm bearing industrial equipment applications 6003 bearing load capacity specifications medium bearing 17x35x10 dimensions industrial equipment bearing 17mm balanced bearing Mumbai supplier equipment bearing 17mm shaft

📏Dimensions

d - ID (Bore Diameter)
17mm
D - OD (Outer Diameter)
35mm
B - Width
10mm
d₁ - Shoulder Diameter
≈23.0mm
D₂ - Recess Diameter
≈31.2mm
r₁,₂ - Chamfer Radius
min. 0.3mm
6003 Bearing: 17 × 35 × 10mm

Cross-Sectional View

6003 deep groove ball bearing technical drawing showing cross-sectional view, dimensions and specifications

⚡Load Ratings

Dynamic Load (Cr) 6.0kN
Static Load (Cor) 3.25kN
Load Capacity (kN) 6.0kN
Load Capacity (kg) 611kg

💡What This Means

Dynamic Load (6.0kN): Maximum force while rotating. Exceeding this causes rapid wear and failure within hours.
Static Load (3.25kN): 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 17000 RPM
Oil Lubrication 21000 RPM
RHD Z2V2 Bearings 1400 RPM
RHD Z3V3 Bearings 2880 RPM
RHD Z4V4 Bearings 6000+ RPM

💡What This Means

Grease Limit (17000 RPM): Heat generation increases exponentially above this. Grease breaks down, causing seizure.
Oil Advantage (21000 RPM): Better heat dissipation allows higher speed. Required for high-speed spindles.
Safe Operating Speed: Use 90% of limit (15300 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 6003 application worldwide

📊Vibration Classes

V2 Grade
Low: 110 μm/s
Med: 78 μm/s
High: 60 μm/s
V3 Grade
Low: 65 μm/s
Med: 46 μm/s
High: 35 μm/s
V4 Grade
Low: 52 μm/s
Med: 25 μm/s
High: 25 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 < 40 dB
Z3 Grade < 35 dB
Z4 Grade (Quiet) < 30 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) 0-9 μm
C0 (Normal) 3-18 μm
C3 (Loose) 11-25 μm
C4 (High Temp) 18-33 μm
C5 (Extra High Temp) 25-45 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

6003-ZZ

Most Popular

Double metal shields

Speed Factor: 0.9 (15300 RPM)
Protection: Dust protection
Lubrication: Sealed for life

When to Use 6003-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

6003-2RS

Protected

Double rubber seals

Speed Factor: 0.7 (11900 RPM)
Protection: Moisture and dust
Lubrication: Sealed for life

When to Use 6003-2RS

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

6003

High Speed

Open bearing, no seals

Speed Factor: 1.0 (17000 RPM)
Protection: None
Lubrication: External required

6003-Z

Balanced

Single metal shield

Speed Factor: 0.95 (16150 RPM)
Protection: Light dust protection
Lubrication: Pre-greased

6003-RS

Protected

Single rubber seal

Speed Factor: 0.8 (13600 RPM)
Protection: Moisture and dust
Lubrication: Pre-greased, sealed

APPLICATIONS

Precision performance across industries

Power Tools

  • Drill spindles
  • Circular saw blades
  • Hand grinder shafts
  • Sander drives
  • Polisher spindles
  • Belt sander rollers
  • Portable power saws
  • Cordless tool motors

Key Requirements: 17mm shaft with 8.20kN (≈835kg) dynamic load capacity, 14,000 RPM grease lubrication, 40×12mm profile for power tool drives

Automation Devices

  • Robotic arm pivots
  • Positioning servo joints
  • Assembly line actuators
  • Inspection camera mounts
  • Automated valve spindles
  • CNC rotary tables
  • Material handling joints
  • Microscope stage bearings

Key Requirements: Precision 17mm bore with 5.0kN (≈510kg) static load rating for automation

Machine Drives

  • Textile mill shafts
  • Packaging machinery drives
  • Small compressor motors
  • Pump shafts
  • Industrial mixer spindles
  • Printing press shafts
  • Food processing motors
  • Conveyor idler shafts

Key Requirements: 17mm bore, 12mm width, for medium-duty machine drives

Compatible Models & Shaft Requirements

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

🔄Related Models

6203 (17×40×12mm) 6303 (17×47×14mm) 6803 (17×26×5mm) 6903 (17×30×7mm)

🔧Shaft Requirements

Nominal Diameter 17.000mm
Tolerance Grade h6 (16.991-17.009mm)
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 balanced performance, 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 service life. Proper tools and techniques prevent 80% of premature failures.

📊Performance Comparison

Handles 612kg load capacity with balanced 10mm width. Superior Gcr15 steel vs. standard steel in competing products.

💰Value Engineering

Excellent value for medium-duty applications. Quality bearings last 3-10x longer than cheap alternatives, reducing total cost of ownership.

FREQUENTLY ASKED QUESTIONS

Expert guidance for 6003 bearing applications

Bearing Selection & Replacement ▼

Can a 6003 bearing handle 650kg loads in industrial equipment?

Close but not recommended - 6003 handles 612kg (612.0kg (6.0kN)), just under your 650kg requirement.
Why This Matters
Operating at or above rated capacity significantly reduces bearing life and increases failure risk. The 38kg difference represents about 6% overload, which can reduce bearing life by 30-50% in continuous industrial operation. Equipment reliability depends on operating within capacity limits.
How To Handle It
Consider 6004 or 6203 series for loads approaching 650kg. If space constraints require 6003, ensure perfect alignment, premium lubrication, and eliminate shock loads. Implement regular condition monitoring for early problem detection.
Always maintain 15-20% safety margin for industrial equipment - for 650kg loads, specify bearings rated at least 780kg capacity.

What's the difference between 6003 and smaller 6002 bearings?

6003 has 17mm bore vs 6002's 15mm bore, providing higher load capacity with slightly increased dimensions.
Why This Matters
The 2mm bore increase provides higher load capacity (612kg vs 569kg) with only 1mm additional width (10mm vs 9mm). This makes 6003 ideal for applications requiring higher loads on 17mm shafts with minimal size increase. The balanced proportions provide excellent performance characteristics.
How To Handle It
Evaluate shaft size requirements - 17mm shafts are common in medium industrial equipment. Compare load requirements against the capacity difference. Consider the minimal dimensional increase impact on available space and mounting requirements.
6003 provides 8% higher load capacity than 6002 with only 11% width increase - excellent balanced performance.

Is 6003 suitable for 17mm industrial motor shafts?

Excellent choice for industrial motors requiring balanced performance on 17mm shafts.
Why This Matters
Industrial motors need reliable operation under varying loads and speeds with minimal maintenance requirements. The 6003's 612kg capacity and 17000 RPM rating handle typical industrial motor requirements while premium Gcr15 steel provides durability against continuous operation and load cycling.
How To Handle It
Use sealed versions (6003-ZZ) for contaminated environments. Ensure proper installation with correct shaft and housing tolerances. Consider operating temperature and select appropriate clearance grade for thermal expansion.
Sealed bearings (6003-ZZ) provide 3-5 years of maintenance-free service in industrial motor applications.
Installation & Maintenance ▼

What tools are needed to install a 40g 6003 bearing properly?

Standard bearing installation tools, heating equipment, and precision measuring instruments for proper 17mm bore installation.
Why This Matters
Proper installation prevents 80% of premature bearing failures. The 40g weight and 17mm bore require appropriate installation techniques to avoid internal damage. Medium-size bearings benefit from thermal installation methods while being robust enough for standard installation procedures.
How To Handle It
Heat bearing to 80-90°C for thermal expansion. Use bearing installation tools or hydraulic press with appropriate adapters. Verify shaft tolerances (h6: 16.991-17.009mm) and housing concentricity. Avoid impact installation that can damage raceways.
Thermal installation provides smooth, damage-free installation - monitor temperature to avoid overheating.

How often should I inspect a 6003 bearing running at 15000 RPM?

Monthly inspections for bearings operating at 15000 RPM, at 88% of the 17000 RPM rating.
Why This Matters
Operating at 88% of rated speed with industrial loads requires regular monitoring to detect wear, contamination, or lubrication issues. Medium-speed bearings in continuous operation benefit from systematic monitoring to prevent unexpected failures and optimize maintenance timing.
How To Handle It
Monitor temperature, noise, and vibration monthly. Check lubrication condition in open bearings or verify sealed bearing performance. Document measurements for trend analysis and predictive maintenance scheduling.
Trend analysis of multiple parameters provides better failure prediction than single measurements - track temperature, vibration, and noise together.

What lubrication schedule works for 6003 in industrial applications?

Relubricate every 2500-3500 operating hours for industrial applications depending on operating conditions.
Why This Matters
Industrial environments subject bearings to contamination, temperature variations, and continuous loads requiring consistent lubrication management. The 6003's balanced design allows good grease capacity while industrial conditions accelerate lubricant degradation requiring regular attention.
How To Handle It
Use high-quality industrial lithium complex grease for demanding environments. Monitor grease condition and contamination levels regularly. For continuous-duty applications, consider automatic lubrication systems to ensure consistent lubricant supply.
Sealed bearings (6003-ZZ) eliminate lubrication schedules while providing 3-5 years of reliable industrial service.
Troubleshooting ▼

Why does my 6003 bearing overheat under 550kg loads?

550kg is well within capacity - check lubrication quality, alignment precision, and installation integrity.
Why This Matters
Operating at 90% of rated capacity should not cause overheating with proper conditions. Overheating at moderate loads indicates lubrication problems, misalignment, contamination, or installation errors requiring systematic investigation to prevent rapid failure progression.
How To Handle It
Verify lubrication adequacy, quality, and distribution first. Check shaft and housing alignment and concentricity within specified tolerances. Inspect for contamination sources or installation damage. Ensure proper internal clearances without binding.
Systematic troubleshooting approach - lubrication first, then alignment, then installation quality provides efficient problem resolution.

What causes intermittent noise in 6003 bearings at 14000 RPM?

Intermittent noise at 14000 RPM indicates contamination, lubrication inconsistency, or developing wear patterns.
Why This Matters
Operating at 82% of rated speed should produce consistent, low noise levels. Intermittent noise patterns indicate internal problems that will progress without intervention. Medium-speed operation allows problem development time making early detection and correction important.
How To Handle It
Stop and inspect for contamination, lubrication adequacy, and internal condition. Check for proper grease distribution and consistency. Verify installation integrity and mounting surface condition. Replace if internal damage is confirmed.
Intermittent noise often indicates contamination or lubrication inconsistency - address environmental factors preventing recurrence.

How do I diagnose problems with 17mm 6003 bearings in equipment?

Use comprehensive monitoring including temperature, vibration, noise, and lubrication condition assessment.
Why This Matters
Medium-size bearings allow multiple diagnostic approaches providing comprehensive problem assessment. The 17mm size provides adequate mass for vibration analysis while remaining accessible for temperature monitoring and visual inspection during maintenance.
How To Handle It
Establish baseline measurements for all monitored parameters when bearings are new. Use infrared thermometry, vibration analysis, and acoustic monitoring. Correlate multiple measurements for accurate problem diagnosis and maintenance timing.
Multi-parameter monitoring provides comprehensive bearing health assessment - temperature for lubrication, vibration for wear, noise for contamination.
Cost & Performance ▼

Is it worth upgrading from 550kg to 6003's 612kg capacity?

Yes, the extra 62kg capacity provides 11% safety margin and extended service life.
Why This Matters
Higher load capacity reduces internal stress levels, extending bearing life significantly in industrial applications. The modest cost difference between bearing grades is minimal compared to replacement labor, equipment downtime, and potential production losses from unexpected failures.
How To Handle It
Calculate total ownership cost including replacement labor, equipment downtime, and maintenance intervals. Consider application safety requirements and load variation factors. Evaluate current bearing performance and failure patterns.
11% capacity safety margin provides measurable life extension in industrial applications - good return on modest investment.

When should I pay more for bearings rated above 17000 RPM?

Only when operating speeds regularly exceed 15000 RPM or require speed capability for process optimization.
Why This Matters
Higher speed ratings require tighter tolerances and premium materials, increasing cost significantly. The 17000 RPM rating handles most medium-duty industrial applications effectively. Overpaying for unnecessary speed capability reduces value unless specific requirements justify the premium.
How To Handle It
Analyze actual operating speeds including all operating conditions and future requirements. Consider equipment upgrade plans and process optimization needs. Compare premium cost against specific performance benefits and equipment lifecycle requirements.
Specify speed rating 10-15% above normal operating speed - provides adequate safety margin without unnecessary cost premium.

What's the cost difference between 6003 and larger 6004 bearings?

6004 costs 30-40% more than 6003 but provides significantly higher load capacity for 20mm vs 17mm shafts.
Why This Matters
Size progression involves moderate cost increases but substantial capacity improvements. The 3mm shaft size difference may require design modifications but provides significant load capacity increase. Understanding cost scaling helps optimize bearing selection within design constraints.
How To Handle It
Compare application load requirements against shaft size modification requirements. Evaluate if design changes for larger shaft are justified by improved bearing capacity and reliability. Consider standardization benefits within equipment product lines.
The 3mm size increase provides substantial capacity improvement - excellent value when design modifications for larger shaft are feasible.
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