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Bearings
Cylindrical Roller Bearings
  • Full Complement Cylindrical Roller Bearing NUPK 306 NUPK306NRC3
  • Full Complement Cylindrical Roller Bearing NUPK 306 NUPK306NRC3
  • Full Complement Cylindrical Roller Bearing NUPK 306 NUPK306NRC3
  • Full Complement Cylindrical Roller Bearing NUPK 306 NUPK306NRC3
  • Full Complement Cylindrical Roller Bearing NUPK 306 NUPK306NRC3
  • Full Complement Cylindrical Roller Bearing NUPK 306 NUPK306NRC3
Full Complement Cylindrical Roller Bearing NUPK 306 NUPK306NRC3

Full Complement Cylindrical Roller Bearing NUPK 306 NUPK306NRC3

  • 5 - 99 Pieces
    $6
  • >= 100 Pieces
    $5

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
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Full Complement Cylindrical Roller Bearing NUPK 306 NUPK306NRC3

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Heavy Load Handling: Designed to manage heavy radial loads and moderate axial loads via cylindrical rollers that evenly distribute stress across the bearing.
  • High-Speed Performance: Robust steel construction and a steel cage ensure stable operation at high rotational speeds, ideal for dynamic applications.
  • Transparent Inspection: The transparent outer ring enables real-time monitoring of internal components for proactive maintenance and quality control.
  • Sealed Protection: A protective seal on one side safeguards against dust, moisture, and debris, enhancing durability in harsh environments.

Key features

  • 1. Material Technology

    • With chrome steel construction, you can ensure exceptional durability and resistance to wear and corrosion. The hardened steel components outperform bearings with standard steel by reducing wear by up to 30%* in high-stress environments.

  • 2. Interactive Design

    • With a transparent outer ring design, you can easily inspect the bearing's internal components without disassembly, streamlining maintenance and quality control. This feature provides 100% visibility compared to fully enclosed bearings*.

  • 3. Performance Parameters

    • With a P6 precision rating, you can achieve precise alignment and minimal rotational play, ensuring 20% higher precision than standard P5-rated bearings*. The full complement of cylindrical rollers supports continuous high-speed operation with reduced vibration.

  • 4. Scenario Solutions

    • With a full complement of rollers and steel cage, you can handle heavy radial loads and high-speed applications in industrial machinery. This design supports up to 25% higher load capacities than standard single-row bearings*, ideal for commercial equipment like turbines or conveyors.

  • 5. Certification Standards

    • Constructed with chrome steel that meets ISO industrial durability standards, this bearing ensures reliable performance in harsh environments. The steel cage and hardened rollers comply with precision manufacturing norms for long-term operational stability.

Product details

Full Complement Cylindrical Roller Bearing NUPK 306 NUPK306NRC3

The Full Complement Cylindrical Roller Bearing NUPK306 NRC3 is engineered for heavy radial load applications, featuring a robust chrome steel construction and a full complement design. Its transparent outer ring enables real-time inspection, while the steel cage ensures stable high-speed operation. Certified to precision grade P6, this bearing delivers exceptional accuracy and reliability in industrial machinery.

Technical specifications

FeatureSpecificationBenefit
MaterialChrome SteelHigh corrosion resistance and durability
Cage TypeSteelEnhanced stability at high rotational speeds
StructureFull Complement, Single RowIncreased load capacity and efficiency
Precision RatingP6Ultra-precise alignment for critical applications
SealingSingle-Side SealedDust and moisture protection
Transparent Outer RingYesSimplifies maintenance and inspection

Customization guide

Adjustable parameters include:

  • Dimensions: Customize bore diameter, outer diameter, and width for specific equipment fits.
  • Material Coatings: Add corrosion-resistant plating for harsh environments.
  • Cage Design: Modify cage geometry for specialized speed or load requirements.

Get inspired

With its full complement design, you can handle heavier radial loads efficiently. The P6 precision ensures smooth operation in precision machinery, while the transparent outer ring allows for proactive maintenance. Whether in manufacturing equipment or heavy-duty conveyors, this bearing delivers unmatched reliability.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Load Capacity120 kN+15% (138 kN)*+30% (156 kN)*
Max Rotational Speed3,200 RPM+10% (3,520 RPM)+20% (3,840 RPM)
Material GradeStandard Chrome SteelPremium Chrome SteelStainless Steel**
Environmental ResistanceBasic (IP51)Enhanced (IP65)Corrosion-Proof (IP68)

Supplier's note

  1. Key Technical Breakthroughs:

    • Full Complement Design: Doubles roller density compared to traditional bearings, enabling 20% higher load capacity.
    • P6 Precision: Achieves radial runout ≤ 6 µm, critical for high-accuracy applications like CNC machinery.
    • Transparent Outer Ring: Reduces downtime by 30% through visual inspection without disassembly.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard industrial equipment (e.g., pumps, fans) requiring reliable performance at lower costs.
    • Advanced Model: Suits high-speed applications (e.g., turbines, robotics) needing enhanced load and speed capabilities.
    • Pro Model: Designed for extreme environments (e.g., marine, chemical plants) with triple corrosion resistance and IP68 sealing. The Pro’s stainless steel construction, paired with its full complement structure, ensures longevity even in corrosive fluids.

*Values based on ISO 281 load ratings.
**Stainless steel option available upon request.

Frequently asked questions

  • Which cylindrical roller bearing model is best for heavy radial loads in industrial equipment?

  • How do I maintain the NUPK306 bearing to prevent wear and ensure longevity?

  • Chrome steel vs other materials: Why is it preferred for cylindrical roller bearings?

  • Can the NUPK306 bearing be customized for specific applications?

  • Is the NUPK306 certified for high-precision applications like robotics?

  • Why does the NUPK306 use a steel cage instead of plastic?

  • Is the NUPK306 suitable for high-speed machinery like turbines?

  • What’s the purpose of the transparent outer ring in the NUPK306?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
MaterialHeavy machinery, industrial equipmentChrome steel (ASTM A295) ▲ Advanced: Through-hardened steel (ISO 683-19)Base: Corrosion resistance (500+ hours salt spray test)
Advanced: 20% higher fatigue life		Base: Heavier than composite alternatives
Advanced: 15% cost premium
Cage MaterialHigh-speed applicationsSteel cage ▲ Advanced: Glass-fiber reinforced polymer (ISO 1043)Base: Heat resistance up to 120°C
Advanced: 40% lighter, reduces inertia		Base: Susceptible to corrosion without coating
Advanced: Requires precision molding
Precision RatingPrecision machinery (CNC, robotics)P6 (ISO 492) ▲ Advanced: P4 (ISO 492)Base: ±0.006mm radial runout
Advanced: ±0.003mm for ultra-precise alignment		Base: Limited to moderate tolerances
Advanced: 30% higher cost
Load CapacityHeavy-duty conveyors, turbines60 kN radial load (ISO 281) ▲ Advanced: 75 kNBase: Handles 5000 N·m axial load
Advanced: 70% higher shock load tolerance		Base: Not suitable for extreme overloads
Advanced: Requires reinforced housings
Speed RatingHigh RPM pumps, generators3500 RPM (DIN 620-5) ▲ Advanced: 4200 RPMBase: 0.8 dBA noise reduction
Advanced: 1.2 dBA (quieter than lawnmower)		Base: Limited to 60°C max temp
Advanced: Needs synthetic lubrication
Maintenance FeaturesContinuous operation systemsClear inspection window ▲ Advanced: Integrated smart sensor (ISO 13373-1)Base: Visual inspection without disassembly
Advanced: Predictive wear alerts		Base: Manual monitoring required
Advanced: 25% higher initial setup cost

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