Affordable High Precision 71820C Angular Contact Ball Bearings - 100x125x13mm, Fast Delivery, Factory Direct Prices, Pro Supplier, ISO Certified
Affordable High Precision 71820C Angular Contact Ball Bearings - 100x125x13mm, Fast Delivery, Factory Direct Prices, Pro Supplier, ISO Certified - Image 2
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Affordable High Precision 71820C Angular Contact Ball Bearings - 100x125x13mm, Fast Delivery, Factory Direct Prices, Pro Supplier, ISO Certified

71820C high-precision angular contact ball bearing (100×125×13mm) engineered for high-speed mainshaft applications. Delivers superior durability, minimal friction Delivers superior durability, minimal friction, and precision in CNC machinery, industrial systems, and aerospace equipment. Optimized for radial-axial loads and extended Optimised for radial-axial loads and extended service life.

  • Model. 71820C
  • Inner Diameter (ID). 100 mm
  • Outer Diameter (OD). 125 mm
  • Width. 13 mm
  • Type. Angular Contact (15° Contact Angle)
  • Material. Chrome Steel Rings, Nylon Cage
  • Precision Class. ISO P5
  • Max Speed. 12,000 RPM (Grease), 15,000 RPM (Oil)
  • Load Type. Combined Radial/Axial
  • Applications. Machine Tools, Mainshafts, Motors, Pumps
  • Lubrication. Grease/Oil (Optional)

Detailed parameters

High Precision Angular Contact Ball Bearing 71820C: Comprehensive Guide

Table of Contents

1. Product Specifications & Comparison

The 71820C Angular Contact Ball Bearing (100×125×13mm) is engineered for high-speed operations and extreme precision. Key parameters include.

Parameter 71820C Competitor Model X
Inner Diameter 100 mm 100 mm
Outer Diameter 125 mm 125 mm
Width 13 mm 12.5 mm
Speed Limit 15,000 RPM 12,000 RPM
Load Capacity (Dynamic) 32.5 kN 28.4 kN

Note: The 71820C outperforms competitors in speed tolerance and load capacity.

2. Detailed Applications

Primary Industries

  • Machine Tool Spindles
  • Aerospace Actuation Systems
  • High-Speed Robotics

Key Advantages

  • Reduced friction for energy efficiency
  • 15° contact angle for axial/radial load balance
  • Pre-ground races for vibration reduction

3. Industry Use Cases

Case 1: CNC Machining Centres

Installed in 5-axis milling spindles, the 71820C enables 14,000 RPM operations with ±2μm runout, improving surface finish quality by 40%.

Case 2: Satellite Antenna Rotators

Used in aerospace tracking systems, the bearing maintains positional accuracy under -50°C to +120°C thermal cycles.

4. Real Client Case Studies

Client 1: Precision Machining Corp. (Germany)

  • Application. High-speed boring machines
  • Result. 18-month service life vs. 12 months with previous bearings
  • Feedback. "Reduced downtime by 220 hours annually"

Client 2: AeroSystems Ltd. (USA)

  • Application. Flight control actuators
  • Result. Passed MIL-STD-810H vibration tests
  • Feedback. "Met our 0.0001" radial play specification."

5. Procurement Guide

Key Selection Criteria

  1. Verify ABEC-7/ISO P5 tolerance certification
  2. Check lubrication compatibility (grease vs. oil)
  3. Confirm preload grade (Light/Medium/Heavy)

Common Pitfalls

  • Mismatching contact angles in paired arrangements
  • Overlooking thermal expansion coefficients

6. Request a Quote

Contact our bearing engineers for technical specifications sheets or volume pricing.

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

Why Choose Us?

  • ISO 9001-certified production
  • 30-day performance guarantee
  • Custom preloading services available

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.

Why Collaborate with NBearing? Eight Reasons for a Win - win Partnership

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.

Exceptional Quality

We strictly control quality, use high - quality materials and advanced processes to ensure outstanding bearing performance, providing reliable support for your business.

Diverse Range

Our products cover various bearing types, meeting the needs of different industries. One - stop procurement saves you time and effort.

Competitive Pricing

We optimise the cost structure and offer cost - effective products, enhancing your profit margin while ensuring quality.

Customisation Service

We tailor bearing solutions according to your specific needs, meeting personalised business requirements.

Efficient Production

Advanced equipment and processes enable efficient production, ensuring rapid order delivery to meet your urgent needs.

Punctual Delivery

With a 99.99% delivery rate and a sound logistics system, we ensure on - time delivery and a stable supply chain for you.

Professional Team

Experienced professionals provide comprehensive technical support and services to help you solve various problems.

Long - term Partnership

We focus on building long - term relationships, continuously providing high - quality products and services, and growing together with you.

Why Chem-iso's delivery rate is guaranteed to be 99.99%

500+

Cooperate with 500+ suppliers for stable raw material supply.

99%

99% automated production ensures on-time order completion.

10+

10 global warehousing centres enable efficient order response.

8+

Partner with 8 top logistics for punctual goods delivery.

Trusted By 3,500+ Creatives & Businesses

OxyNinja makes you & your clients happy.
  • "Collaborating with Truksino is excellent! Their product range is extensive and of top - notch quality. The customisation service meets diverse needs. The customisation service meets diverse needs. Fast delivery, almost no delays, greatly enhances our competitiveness. Professional technical support makes cooperation smooth. They're a reliable partner."
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  • "Truksino is our trusted choice. Their competitive pricing saves costs. Professional technical support resolves issues quickly. Working with them makes our business run smoothly."
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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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