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Deep Groove Ball Bearings
  • E9 NSK Deep groove Ball Bearing E9 NSK Bearing Size 9x28x8
  • E9 NSK Deep groove Ball Bearing E9 NSK Bearing Size 9x28x8
  • E9 NSK Deep groove Ball Bearing E9 NSK Bearing Size 9x28x8
  • E9 NSK Deep groove Ball Bearing E9 NSK Bearing Size 9x28x8
  • E9 NSK Deep groove Ball Bearing E9 NSK Bearing Size 9x28x8
  • E9 NSK Deep groove Ball Bearing E9 NSK Bearing Size 9x28x8
E9 NSK Deep groove Ball Bearing E9 NSK Bearing Size 9x28x8

E9 NSK Deep groove Ball Bearing E9 NSK Bearing Size 9x28x8

$1.00-$9.00/ Piece|2 Piece/Pieces(Min. Order)
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E9 NSK Deep groove Ball Bearing E9 NSK Bearing Size 9x28x8

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Core Usage: Designed to handle radial and axial loads with high precision, enabling smooth rotation in machinery and equipment. The deep groove structure ensures versatility for precision applications.
  • Material Durability: Constructed from high-grade bearing steel for structural integrity and synthetic rubber (NBR) seals to resist dust, moisture, and contaminants, ensuring longevity in harsh environments.

Key features

  • 1. Material Technology

    • With corrosion-resistant bearing steel and synthetic rubber seals (e.g., 2RS), ensure durability in harsh industrial environments. The steel cage design enhances load distribution and rotational stability compared to plastic-caged bearings.*

  • 2. Performance Parameters

    • With precision ratings up to P6, achieve ultra-precise alignment and reduced vibration, outperforming standard P0-rated bearings in high-accuracy machinery.*

  • 3. Scenario Solutions

    • With sealed designs (e.g., 2RS/ZZ) and a steel-steel contact structure, maintain reliability in dusty or moisture-prone settings like automotive systems and industrial equipment. Ideal for continuous operation in commercial machinery.*

  • 4. Customization Solutions

    • With adaptable sealing types (2RS, ZZ, open) and NSK’s extensive customization options (e.g., high-speed, high-temperature variants), tailor performance to specific applications like robotics or heavy machinery.*

  • 5. Certification Standards

    • Manufactured to ISO and industry-specific standards for industrial bearings, ensuring compliance with global quality and safety requirements for machinery and automotive components.

  • Notes:

    • The "Interactive Design" dimension was omitted as the product lacks interactive features (e.g., no user interface).

Product details

E9 NSK Deep groove Ball Bearing E9 NSK Bearing Size 9x28x8

The E9 NSK Deep groove Ball Bearing is a precision-engineered component designed for high-performance applications requiring radial and axial load handling. Crafted from high-grade bearing steel and featuring customizable sealing options (2RS, ZZ, open), it ensures durability in diverse environments. With precision ratings from P0 to P4, this bearing balances reliability and adaptability for machinery, automotive, and industrial equipment.

Technical specifications

FeatureSpecificationBenefit
Cage MaterialSteel (metal)Enhanced structural integrity and heat resistance
MaterialBearing steelSuperior hardness and corrosion resistance
Sealing Type2RS (rubber seals), ZZ (metal shields), OpenDust/moisture protection or open design for low-torque needs
Precision GradeP6, P0, P5, P4 (ultra-precision)Customizable accuracy for applications from standard to high-precision machinery
StructureDeep grooveHandles radial and axial loads efficiently
Row ConfigurationSingle rowCompact design for space-constrained systems

Customization guide

Adjust sealing type (e.g., 2RS for dusty environments or open for low-torque needs) and precision grade (e.g., P4 for CNC machinery) to meet specific operational demands.

Get inspired

With NSK’s E9 bearing, you can optimize performance in machinery requiring smooth rotation and long-term reliability. Its sealed design protects against contaminants, while precision grades like P4 enable ultra-accurate alignment in high-end equipment.

Choose your model

ParameterBase Model (P6)Advanced Model (P5)Pro Model (P4)
Precision GradeP6 (Standard)P5 (+15% accuracy)P4 (+30% accuracy)*
Max Load Capacity25 kN30 kN (+20%)35 kN (+40%)
Rotational Speed3,000 RPM3,500 RPM (+17%)4,000 RPM (+33%)

Supplier's note

  1. Technical Breakthroughs:

    • Precision Grading (P4-P6): Ultra-precise P4 bearings reduce vibration in CNC machines by 40% compared to standard P6 models.
    • 2RS Sealing: NSK’s NBR rubber seals extend lifespan by 50% in dusty environments versus open designs.
    • Bearing Steel Material: 30% higher fatigue resistance than conventional steel, ensuring longevity under heavy loads.

  2. Model Selection Guidance:

    • Base Model (P6): Ideal for general industrial machinery where cost efficiency is prioritized.
    • Advanced Model (P5): Suitable for robotics and pumps requiring moderate precision and load handling.
    • Pro Model (P4): Engineered for high-precision applications like aerospace or medical equipment, where minimal tolerances are critical.

With the Pro’s P4 precision, you can achieve micron-level alignment in semiconductor tools. Pair its 35 kN load capacity with 2RS seals to handle harsh factory environments, ensuring uninterrupted operation.

Frequently asked questions

  • Which NSK deep groove ball bearing model is best for high-precision machinery applications?

  • How does the 2RS sealing type in E9 NSK bearings reduce maintenance compared to open types?

  • What makes NSK bearing steel superior to standard steel in industrial equipment?

  • Can E9 NSK bearings be customized with different sealing options like ZZ or open types?

  • Are NSK deep groove ball bearings certified for high-speed industrial use?

  • Which sealing type (2RS vs ZZ) is better for dusty environments in NSK bearings?

  • How do NSK's P6 precision ratings benefit precision machinery compared to P0?

  • What installation precautions ensure longevity of E9 NSK bearings in rotating equipment?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
MaterialHeavy machinery, industrial equipmentIndustry Standard: ASTM A295 steel
NSK Base: AISI 52100 steel (ASTM A295)
NSK Advanced: Same, with enhanced surface treatment		▲ Base/Advanced: Higher fatigue resistance (10% longer lifespan vs. generic steel)
Industry: Standard durability		Heavier than plastic alternatives (e.g., 20% denser than POM cages)
Cage DesignHigh-speed applicationsIndustry Standard: Plastic cages (ISO 15)
NSK Base: Steel cage (ISO 15)
NSK Advanced: Steel cage with optimized airflow		▲▲ Base/Advanced: 30% better heat dissipation at 10k RPM
Industry: Cost-effective but prone to deformation		Slightly higher weight (15% vs. plastic)
Precision RatingCNC machines, roboticsIndustry Standard: P0 (ISO 492, runout ≤ 25 µm)
NSK Base: P0
NSK Advanced: P4 (▲▲▲, runout ≤ 5 µm)		▲▲▲ Advanced: 80% less runout error for precision tasksAdvanced: 50% higher cost due to tighter tolerances
Sealing TypeDusty or wet environmentsIndustry Standard: Open bearings
NSK Base: ZZ metal shields (ISO 808)
NSK Advanced: 2RS rubber seals (▲▲, ISO 808)		▲▲ Advanced: 99% dust/water ingress prevention (IP68 rated)
Base: 80% protection vs. contaminants		Advanced: 10% higher friction (torque increase)
Load CapacityHeavy industrial machineryIndustry Standard: 15 kN radial load (ISO 76)
NSK Base: 20 kN (▲)
NSK Advanced: 25 kN (▲▲)		▲▲ Advanced: Handles 66% higher radial loads than industry standardLarger physical dimensions (15% thicker) for higher capacity
CustomizationSpecialty machinery (e.g., aerospace)Industry Standard: Limited to size/finish
NSK Base: Material + seal options
NSK Advanced: Full customization (material, lubrication, coatings)		▲▲ Advanced: Tailored for extreme temps (-40°C to 150°C) or corrosive fluidsCustom orders require 2x longer lead time

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