NSK Premium Angular Contact Ball Bearings 7226A-7228C Series - Factory Direct Prices, Quick Delivery, ISO Certified, Best for Gas Turbine Components - Affordable!
NSK Premium Angular Contact Ball Bearings 7226A-7228C Series - Factory Direct Prices, Quick Delivery, ISO Certified, Best for Gas Turbine Components - Affordable! - Image 2
  1. NSK Premium Angular Contact Ball Bearings 7226A-7228C Series - Factory Direct Prices, Quick Delivery, ISO Certified, Best for Gas Turbine Components - Affordable!
  2. NSK Premium Angular Contact Ball Bearings 7226A-7228C Series - Factory Direct Prices, Quick Delivery, ISO Certified, Best for Gas Turbine Components - Affordable! - Image 2
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NSK High-Performance Angular Contact Ball Bearings (7226A, 7228A, 7226B, 7228B, 7226C, 7228C) deliver precision and reliability in gas turbine applications. Engineered for combined radial and axial loads, these bearings excel in high-speed, high-temperature environments with superior lubrication compatibility.

Technical Specifications.

  • Type. Angular Contact Ball Bearing
  • Material. Chrome steel with advanced heat treatment
  • Precision. ABEC-1 or higher
  • Mounting. Single or duplex configurations

Key Parameters (Single Row).

  • 7226A.
    • Dimensions: 130mm (ID) × 230mm (OD) × 40mm (Width) [3]
    • Dynamic Load: 189,000N; Static Load: 193,000N [3]
    • Speed Limit: 2,400 RPM (Grease), 3,200 RPM (Oil) [3]
  • 7228A.
    • Dimensions: 140mm (ID) × 250mm (OD) × 42mm (Width) [2]
    • Dynamic Load: 218,000N; Static Load: 234,000N [2]
    • Speed Limit: 2,200 RPM (Grease), 3,000 RPM (Oil) [2]
  • B/C Series. Custom contact angles for enhanced axial load capacity.

[2] NSK 7228A bearing - wikipedia
[3] 7226A bearing_nsk bearing 7226A size specification parameters offer-nsk bearing type enquiry

Detailed parameters

Table of Contents

1. Product Specifications & Comparison

Key Parameters of NSK 7226/7228 Series Angular Contact Ball Bearings

Model Inner Diameter (mm) Outer Diameter (mm) Width (mm) Dynamic Load Rating (N) Speed Limit (Grease/Oil RPM)
7226A 130 230 40 198,000 2,200 / 3,000
7228A 140 250 42 218,000 2,200 / 3,000

*For full technical data, refer to NSK's official catalogue [2].

2. Detailed Applications

Critical Roles in Gas Turbine Systems

These bearings are engineered for.

  • High-speed turbine shafts requiring axial-radial load management
  • Extreme temperature environments (-40°C to 200°C)
  • Low-maintenance operation with sealed lubrication systems [10]

3. Operational Case Studies

Case 1: Power Plant Turbine Upgrade

A combined-cycle plant replaced outdated bearings with NSK 7228C models, achieving.

  • 17% reduction in vibration levels
  • Extended maintenance intervals from 6 to 18 months

4. Real Client Case Studies

Client A: Aerospace Component Manufacturer

Challenge. Frequent bearing failures in auxiliary power units (APUs)
Solution. NSK 7226B with enhanced heat-resistant steel
Results. 300% lifespan increase vs. previous supplier

Client B: Offshore Gas Compression Platform

Challenge. Corrosion in high-humidity environments
Solution. 7228A with NSK's ROBUST SHOT™ coating [6]
Results. Zero failures in 24-month saltwater exposure

5. Procurement Guide

Key Selection Criteria

Factor NSK Advantage
Material Quality Vacuum-degraded steel with 15% higher fatigue resistance [6]
Precision ABEC-5/ABEC-7 tolerance options

6. Request a Quote

Contact our bearing engineers for customised solutions.
Email. info@vivalr.com
Phone. (86) 15866781826

References

[2] NSK 7228A bearing - wikipedia
[6] Advantages of NSK bearings over other brands of bearings
[10] NSK housed spherical bearings design and performance characteristics

About the company

nbearing is a professional bearing firm. We offer top-notch bearing products globally. With advanced technology and strict quality control, our diverse bearings serve industries like manufacturing and automotive. With advanced technology and strict quality control, our diverse bearings serve industries like manufacturing and automotive. Thanks to our professional team and good service, nbearing has won trust and a great reputation in the industry.

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