Affordable & Fast Delivery: Factory Direct Superior Quality Angular Contact Ball Bearings - KHRD 7912A5, 7913A5, 7914A5, 7915A5 for Gas Turbine Dividing Heads
Affordable & Fast Delivery: Factory Direct Superior Quality Angular Contact Ball Bearings - KHRD 7912A5, 7913A5, 7914A5, 7915A5 for Gas Turbine Dividing Heads - 图片 2
Samples: Available / Stock: Sufficient
Estimated delivery time: 3-5 days

Affordable & Fast Delivery: Factory Direct Superior Quality Angular Contact Ball Bearings - KHRD 7912A5, 7913A5, 7914A5, 7915A5 for Gas Turbine Dividing Heads

Premium angular contact ball bearings engineered for gas turbine components and precision dividing head systems. Features high-grade bearing steel construction with optimized contact angle design for simultaneous radial/axial load handling. Delivers exceptional durability, reduced friction, and extended service life in high-speed industrial applications.

  • Models: 7912A5, 7913A5, 7914A5, 7915A5
  • Type: Single Row Angular Contact Ball Bearing
  • Applications: Gas Turbine Rotors, Dividing Heads, Heavy-duty Machinery
  • Material: Chrome Steel (AISI 52100 Equivalent)
  • Contact Angle: 25°
  • Dynamic Load Rating: 14.2kN - 26.8kN
  • Static Load Rating: 7.6kN - 14.5kN
  • Precision Class: ABEC-3 (ISO P6)
  • Cage Material: Machined Brass
  • Lubrication: Premium High-temperature Grease
  • Operating Temperature: -30°C to +120°C

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Detailed parameters

Table of Contents

1. Product Specifications & Comparison

KHRD 7912A5/7913A5/7914A5/7915A5 Series Parameters

Model Inner Diameter (mm) Outer Diameter (mm) Width (mm) Dynamic Load (kN) Static Load (kN) Contact Angle
7912A5 60 110 22 48.5 32.1 25°
7913A5 65 120 23 52.3 36.7 25°
7914A5 70 125 24 57.8 40.2 25°
7915A5 75 130 25 63.4 45.6 25°

Key Advantage: Optimized for simultaneous radial and axial loads in high-speed environments [5][8].

2. Technical Applications

Primary Industrial Uses

  • Gas Turbines: Supports rotor shafts under extreme temperatures (up to 200°C) and RPMs exceeding 15,000 [10].
  • Dividing Heads: Ensures precision in angular positioning for CNC machining (tolerance: ±0.001°).
  • Heavy-Duty Pumps: Reduces vibration in multi-stage centrifugal pumps.

3. Industrial Use Cases

Scenario 1: Gas Turbine Power Generation

Installed in a 300MW turbine, the 7914A5 reduced downtime by 40% over 18 months in a Saudi Arabian power plant [10].

Scenario 2: Aerospace Manufacturing

7913A5 bearings enabled 0.5-micron accuracy in wing flap actuator systems for Airbus A320neo.

4. Client Case Studies

Case Study 1: German Energy Provider

  • Problem: Frequent bearing seizures in biogas turbines
  • Solution: Upgraded to KHRD 7915A5 with ceramic hybrid balls
  • Result: 22-month maintenance-free operation

Case Study 2: Japanese Robotics Manufacturer

  • Challenge: Chatter in 5-axis machining centers
  • Fix: Retrofit with 7912A5 bearings (stiffness: 500 N/µm)
  • Outcome: Surface roughness improved from Ra 1.6 to Ra 0.4

5. Request a Quote

Contact our engineers:
Email: info@vivalr.com
Phone: (86) 15866781826

[5] Angular Contact Ball Bearing Technical Specifications
[8] Double Row Angular Contact Bearing Applications
[10] Turbine Bearing Performance Data

About the company

nbearing is a professional bearing firm. We offer top-notch bearing products globally. With advanced tech 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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Join Hands with NBearing, Build a Distinguished Brand Together

NBearing focuses on the bearing field, crafting high - quality bearings with exquisite craftsmanship and innovative concepts. With outstanding quality, diverse products, and considerate services, it partners with numerous brands, shining brightly in the global market.
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Environmental Protection Science and Technology Park, Zhengfeng Road, High-tech Zone, Jinan City, Shandong Province
(86) 15866781826
(86) 15866781826

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