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Deep Groove Ball Bearings
  • CSK25PP CSK Series Dual Keyway groove One Way Clutch Bearing 6205
  • CSK25PP CSK Series Dual Keyway groove One Way Clutch Bearing 6205
  • CSK25PP CSK Series Dual Keyway groove One Way Clutch Bearing 6205
  • CSK25PP CSK Series Dual Keyway groove One Way Clutch Bearing 6205
  • CSK25PP CSK Series Dual Keyway groove One Way Clutch Bearing 6205
  • CSK25PP CSK Series Dual Keyway groove One Way Clutch Bearing 6205
CSK25PP CSK Series Dual Keyway groove One Way Clutch Bearing 6205

CSK25PP CSK Series Dual Keyway groove One Way Clutch Bearing 6205

  • 10 - 99 Pieces
    $3.15
    $3.50
  • >= 100 Pieces
    $2.70
    $3

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
View product details

CSK25PP CSK Series Dual Keyway groove One Way Clutch Bearing 6205

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Radial Load Support: Designed to handle radial loads with a deep groove structure, enabling smooth rotation and durability in high-demand applications.
  • One-Way Clutch Mechanism: Equipped with a dual keyway groove for directional rotation control, ideal for applications requiring unidirectional motion.
  • Sealed Protection: Features a black rubber seal (e.g., NBR/PU) to prevent lubricant leakage and protect against dust/debris, ensuring longevity in harsh environments.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With corrosion-resistant bearing steel and chemical-treated synthetic rubber seals, you can ensure long-term durability in harsh environments such as industrial machinery or outdoor equipment*. The metal body resists wear, while the rubber seal (e.g., NBR/PU) prevents lubricant leakage and contamination.

  • 2. High-Precision Performance

    • With P2/P4 precision ratings, you can achieve ~20% higher rotational accuracy than standard bearings*, enabling smoother operation in precision machinery like robotics or CNC equipment. The deep groove structure optimizes radial load distribution for consistent performance.

  • 3. Secure Structural Design

    • With dual keyway grooves and a flanged outer ring, you can secure precise alignment during high-speed rotation*, reducing vibration and ensuring stability in applications like pumps or turbines. The metal cage enhances load capacity and durability.

  • 4. Versatile Scenario Adaptability

    • Designed for radial load applications, you can support continuous operation in commercial machinery like conveyor systems or industrial tools*, handling loads up to 52mm OD specifications. The open/ZZ/2RS sealing options cater to dry, dusty, or wet environments.

  • 5. Customizable Lubrication & Sealing

    • With lubrication options for oil, grease, or combined use, you can adapt to high-temperature or high-speed scenarios*, while customizable sealing types (e.g., 2RS for waterproofing) meet specific application needs.

Product details

CSK25PP CSK Series Dual Keyway groove One Way Clutch Bearing 6205

The CSK25PP CSK Series Dual Keyway groove One Way Clutch Bearing 6205 is a high-performance deep groove ball bearing designed for radial load applications. Equipped with a dual keyway groove for reliable one-way clutch functionality and customizable sealing options, it combines precision engineering with robust durability. The metal cage and bearing steel construction ensure long-term reliability, while the rubber seal protects against contaminants and maintains lubrication integrity.

Technical specifications

FeatureSpecificationBenefit
MaterialBearing SteelHigh durability and corrosion resistance.
Outer Diameter (OD)52mmStandard size for versatile industrial use.
Cage MaterialSteelEnhanced structural integrity and heat resistance.
LubricationOil, Grease, Grease & OilFlexible maintenance for varied environments.
Precision RatingP0, P2, P4, P5, P6Tailored precision for machinery or industrial applications.
Sealing TypeZZ, 2RS, Open, RSCustomizable protection against contaminants.
StructureDeep GrooveOptimized for radial loads and high-speed rotation.
Clutch MechanismDual Keyway GrooveEnables reliable one-way rotational engagement.
Load CapacityRadial Load SupportHandles heavy-duty applications with stability.

Customization guide

Adjustable sealing materials (e.g., NBR or PU rubber) and lubrication types to meet specific environmental or operational needs. The precision rating (P0 to P6) can be customized to align with application requirements, such as high-accuracy machinery or heavy industrial use.

Get inspired

The CSK25PP bearing combines precision engineering with robust construction. Its dual keyway groove ensures reliable one-way clutch functionality, while the customizable sealing and lubrication options adapt to demanding environments. Ideal for machinery requiring high rotational accuracy and durability, such as conveyor systems, robotics, or precision tools.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Precision RatingP0P4P2/P6*
Sealing EfficiencyZZ (Standard)2RS (Enhanced)RS (Premium)*
Load Capacity5,000 N+15% (5,750 N)+30% (6,500 N)*
Operating Temp-20°C to +80°C-30°C to +100°C-40°C to +120°C

Supplier's note

  1. Technical Breakthroughs:

    • Dual Keyway Groove: Enables precise one-way clutch engagement, reducing slippage in machinery like conveyors.
    • NBR/PU Seals: 20% better dust resistance than standard seals, extending bearing life in harsh environments.
    • P6 Precision: Achieves rotational accuracy within 2 microns, critical for CNC tools and precision instruments.

  2. Version Selection Guidance:

    • Base Model: Ideal for general machinery (e.g., pumps, fans) with standard loads and moderate environments.
    • Advanced Model: Suited for high-speed applications (e.g., robotics, turbines) requiring P4 precision and enhanced sealing.
    • Pro Model: Designed for extreme conditions (e.g., mining, aerospace) with triple the industry-standard chemical resistance and P2/P6 precision for ultra-accurate control.

With the Pro Model’s RS seal, you can maintain lubrication in high-temperature environments, while its +30% load capacity ensures stability in heavy machinery. Pair the Advanced Model’s 2RS seal with P4 precision for applications needing balance between durability and cost efficiency.

Frequently asked questions

  • Which CSK Series bearing is best suited for high radial load applications like industrial machinery?

  • How do I maintain the rubber seal on the CSK25PP bearing to prevent contamination?

  • What’s the advantage of bearing steel over other materials for CSK25PP bearings?

  • Can the CSK25PP bearing be customized with different sealing types or precision ratings?

  • Is the CSK25PP compliant with industrial standards for precision and safety?

  • What lubrication method works best for CSK25PP in dusty factory settings?

  • How does the dual keyway groove enhance the CSK25PP’s performance?

  • What applications benefit from the one-way clutch feature of CSK25PP?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Precision RatingCNC Machinery, RoboticsIndustry Standard: P0 (70 µm radial runout)Our Base: P5 (6 µm ▲) → Enhanced accuracyOur Advanced: P6 (2 µm ▲▲) → Ultra-precision
(ISO 492 tolerance standard)(ISO 492 P5)(ISO 492 P6)
Sealing TypeIndustrial Gearboxes, ConstructionIndustry Standard: Open (no seal)Our Base: ZZ (dust-resistant ▲)Our Advanced: 2RS (waterproof IP67 ▲▲)
(Basic protection)(Dual rubber seals)(Oil/grease retention for wet environments)
Lubrication CompatibilityHigh-Speed Motors, AutomotiveIndustry Standard: Grease onlyOur Base: Grease & Oil ▲ (Flexible use)Our Advanced: Oil-only ▲▲ (High-speed rated)
(Limited lubricant options)(ISO 3408-compliant)(Requires oil circulation systems)
Load CapacityHeavy Machinery, Mining EquipmentIndustry Standard: 15kN dynamic loadOur Base: 18kN ▲ (Strengthened steel)Our Advanced: 22kN ▲▲ (Heat-treated alloy)
(Standard 6205 bearing)(ISO 281 load rating)(Weight increase by 15%)
Cage MaterialHigh-Speed Spindles, TurbinesIndustry Standard: Plastic (1.5x rpm max)Our Base: Steel ▲ (2.5x rpm)Our Advanced: Stainless Steel ▲▲ (3x rpm)
(Limited speed tolerance)(Reduced friction at high speeds)(Cost 30% higher than plastic cages)
Material QualityMarine, Chemical PlantsIndustry Standard: 58 HRC bearing steelOur Base: 62 HRC ▲ (High-carbon chrome)Our Advanced: Stainless Steel ▲▲ (60 HRC)
(Standard hardness)(ISO 683-1 certified)(Slightly lower hardness but corrosion-free)

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