Affordable & Fast Delivery - KHRD Brand 7326A/7328A/7330A/7332A Angular Contact Ball Bearings for Painting Equipment - Factory Direct Prices, ISO Certified
Affordable & Fast Delivery - KHRD Brand 7326A/7328A/7330A/7332A Angular Contact Ball Bearings for Painting Equipment - Factory Direct Prices, ISO Certified - 图片 2
  1. Affordable & Fast Delivery - KHRD Brand 7326A/7328A/7330A/7332A Angular Contact Ball Bearings for Painting Equipment - Factory Direct Prices, ISO Certified
  2. Affordable & Fast Delivery - KHRD Brand 7326A/7328A/7330A/7332A Angular Contact Ball Bearings for Painting Equipment - Factory Direct Prices, ISO Certified - 图片 2
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Affordable & Fast Delivery - KHRD Brand 7326A/7328A/7330A/7332A Angular Contact Ball Bearings for Painting Equipment - Factory Direct Prices, ISO Certified

Super precision angular contact ball bearings designed for high-speed painting equipment applications. Features optimized contact angles, chrome steel rings, and advanced cage designs for exceptional rigidity and rotational accuracy.

  • Models: 7326A, 7328A, 7330A, 7332A
  • Type: Single-row angular contact ball bearing
  • Material: GCr15 Chrome Steel
  • Precision Grade: ABEC-7/P4 (Equivalent to ISO P4)
  • Load Capacity: Dynamic 158kN-325kN / Static 118kN-240kN
  • Speed Limit: 4500-6800 rpm (Oil lubrication)
  • Sealing: Open type with anti-friction grooves
  • Operating Temp: -30°C to +150°C
  • Lubrication: Pre-lubricated with high-speed grease
  • Mounting: Universal match design (DF/DB pairing)

Detailed parameters

1. Product Overview & Specifications

KHRD Angular Contact Ball Bearing Series (7326A, 7328A, 7330A, 7332A)

Premium-grade bearings designed for high-speed rotational stability in painting equipment and industrial machinery. Engineered with 25° contact angle for combined radial/axial load capacity.

Model Inner Diameter (mm) Outer Diameter (mm) Dynamic Load (kN) Max Speed (rpm)
7326A 130 280 245 3,800
7328A 140 300 275 3,500
7330A 150 320 305 3,200
7332A 160 340 335 3,000

2. Key Applications

Industrial Painting Systems

  • Robotic spray arms: Maintain positional accuracy under continuous oscillation
  • Conveyor turntables: Reduce vibration during high-speed part rotation

Precision Machinery

  • CNC spindle support: Thermal stability in 24/7 production environments
  • Gearbox positioning: Axial load management in multi-stage transmissions

3. Installation & Maintenance Guidelines

Mounting Procedures

  1. Clean housing surfaces with non-linting cloth (IPA 99.9%)
  2. Use induction heaters (max 110°C) for interference fits
  3. Apply EP2 grease to raceways pre-assembly

Lubrication Intervals

Operating Temperature Relubrication Period
<70°C 2,000 hours
70-90°C 1,200 hours

4. Industry-Specific Use Cases

Automotive Painting Lines

Implemented 7330A bearings in robotic paint applicators at a Shanghai OEM plant:

  • Reduced bearing-related downtime by 42%
  • Extended maintenance cycles from 6 weeks to 4 months

Aerospace Component Coating

7328A series in satellite dish coating turntables:

  • Withstood 15G acceleration forces during spin coating
  • Maintained <0.005mm runout at 2,800 RPM

5. Client Success Stories

Case Study 1: German Automotive Supplier

  • Challenge: Premature bearing failure in electrostatic paint robots
  • Solution: Custom-shielded 7326A bearings with conductive grease
  • Result: 18-month continuous operation without maintenance

Case Study 2: Chinese Industrial Machinery OEM

  • Challenge: Vibration issues in high-torque coating drums
  • Solution: 7332A bearings with pre-loaded tandem arrangement
  • Result: Achieved ISO 1940 G2.5 balance certification

6. Request Customized Solutions

Contact our bearing engineers for application-specific configurations:

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

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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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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
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