Affordable & Fast Delivery: Factory Direct 7211 Angular Contact Ball Bearings - ABEC1 Precision - KHRD Bearings, International Standard
Affordable & Fast Delivery: Factory Direct 7211 Angular Contact Ball Bearings - ABEC1 Precision - KHRD Bearings, International Standard - 图片 2
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Affordable & Fast Delivery: Factory Direct 7211 Angular Contact Ball Bearings - ABEC1 Precision - KHRD Bearings, International Standard

High-precision Angular Contact Ball Bearing 7211 series (7211C, 7211AC) designed for combined radial and axial loads. Features ABEC1 precision grade, A5 clearance, and durable chrome steel construction. Ideal for machinery, motors, CNC equipment, and industrial applications requiring high-speed performance and reliability. Good packing ensures safe transportation and storage.

  • Model: 7211, 7211C, 7211AC
  • Type: Single-row Angular Contact Ball Bearing [2][8]
  • Dimensions: 55mm (ID) × 100mm (OD) × 21mm (Thickness) [3]
  • Contact Angle: 25° (AC variant) [8]
  • Precision: ABEC1
  • Clearance: A5
  • Material: Chrome Steel Rings & Balls
  • Cage: Steel or Nylon (Optional)

[2] 【angular_contact_bearing】什么意思_英语angular_contact
[3] 7211轴承角接触球轴承-百科
[8] 有道词典-有道

Detailed parameters

Table of Contents

1. Product Overview & Specifications

The Good Packing Angular Contact Ball Bearing 7211 series (7211, 7211C, 7211AC, A5, ABEC1) is designed for high-precision applications requiring axial and radial load management. Key features include:

Model Contact Angle Material Precision Grade Dynamic Load (kN) Speed Limit (rpm)
7211 15° Chrome Steel ABEC1 45.2 8000
7211C 25° Chrome Steel ABEC1 52.3 7500
7211AC 30° Stainless Steel A5 60.1 7000

Key Advantages: Enhanced durability, reduced friction, and optimized heat dissipation for high-speed operations.

2. Detailed Applications

These bearings are ideal for:

  • Machine Tool Spindles: Precision machining with minimal vibration.
  • Automotive Systems: Gearboxes, wheel hubs, and turbochargers.
  • Industrial Pumps: Handling axial and radial loads in high-pressure environments.
  • Robotics: High-accuracy motion control in automated systems.

3. Installation & Maintenance Guidelines

Installation Steps:

  1. Clean mounting surfaces to prevent contamination.
  2. Use hydraulic press or induction heaters for interference fits.
  3. Align shafts and housings within 0.002mm tolerance.

Maintenance Tips:

  • Relubricate every 500 operating hours with ISO VG 32 grease.
  • Monitor temperature spikes (max 80°C).
  • Replace bearings after 20,000 hours or if noise/vibration increases by 15%.

4. Industry Use Cases

Case Study 1: Aerospace Actuation Systems

A leading aerospace manufacturer replaced standard bearings with 7211AC models, achieving 40% longer service life in flight control actuators under extreme temperatures (-50°C to 150°C).

Case Study 2: CNC Machining Centers

A German CNC producer reduced spindle downtime by 62% using 7211C bearings, enabling continuous 18,000 rpm operations for titanium machining.

5. Client Success Stories

Client A: Automotive Tier-1 Supplier

  • Challenge: Premature bearing failure in EV drivetrains.
  • Solution: Upgraded to 7211AC with A5 precision.
  • Result: 30% higher load capacity, 0 warranty claims in 12 months.

Client B: Wind Energy Company

  • Challenge: Corrosion in offshore turbine pitch systems.
  • Solution: Stainless steel 7211AC bearings.
  • Result: Maintenance intervals extended from 6 to 18 months.

6. Request a Quote or Technical Support

Optimize your machinery with KHRD precision bearings. Contact our engineering team for:

  • Customized bearing solutions
  • Bulk order discounts (MOQ: 50 units)
  • 3D CAD models and load calculators

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

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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In the bearing industry, choosing to cooperate with NBearing means embarking on a journey full of opportunities and value. We become your ideal partner with numerous outstanding advantages.

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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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