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Estimated delivery time: 3-5 days

Affordable & Fast Delivery: 694 11mm Deep Groove Ball Bearings - 11X4X4mm Sks Angular Contact - Factory Direct Prices - Pro Supplier, ISO Certified

  • Model: 694 Deep Groove Ball Bearing
  • Dimensions: 11mm (OD) × 4mm (ID) × 4mm (Width)
  • Structure: Single-row angular contact design[5]
  • Material: Chrome steel GCr15
  • Dynamic Load: 1.38 kN
  • Static Load: 0.63 kN
  • Max Speed: 22,000 rpm (Grease lubrication)
  • Sealing: Open type with steel cage
  • Applications: Micro motors, medical devices, precision instruments

[5] BEARING(内外座圈、一排钢球等的装置)-百科

Detailed parameters

High Efficiency Miniature Deep Groove Ball Bearings & SKS Angular Contact Ball Bearings: Comprehensive User Guide

Table of Contents

1. Product Overview & Specifications

Model Dimensions (mm) Load Capacity (Dynamic/Static) Speed Limit (RPM) Material
694 Deep Groove 11×4×4 1.38 kN / 0.63 kN 34,000 Chrome Steel GCr15
SKS Angular Contact 11×4×4 1.85 kN / 0.92 kN 28,000 Stainless Steel AISI 440C

Key Features: Precision-ground raceways, high-temperature grease (-30°C to +120°C), ABEC-5 tolerance.

2. Key Applications & Industry Use Cases

Core Industries Served:

  • Micro-Motors: Drone propulsion systems, RC vehicles
  • Medical Devices: Dental handpieces, surgical robots
  • Industrial Automation: CNC spindle units, robotic joints
  • Optoelectronics: Lens focusing mechanisms, laser alignment systems

3. Performance Comparison & Selection Criteria

Factor 694 Deep Groove SKS Angular Contact
Axial Load Support Moderate High (15°-25° contact angle)
Radial Space Efficiency Superior Standard
Vibration Resistance 65 dB (Z3 grade) 62 dB (Z1 grade)

4. Installation & Maintenance Best Practices

Critical Steps for Longevity:

  1. Pre-Cleaning: Ultrasonic bath with petroleum-based solvent
  2. Mounting Pressure: < 50 N/mm² using hydraulic press
  3. Lubrication: Relubricate every 800 operating hours with Kluber Isoflex NBU 15
  4. Alignment: Maintain < 0.002 mm runout using dial indicators

5. Real-World Customer Success Stories

Case Study 1: Aerospace Drone Manufacturer

Challenge: Reduce motor failure rates in high-altitude UAVs (-40°C operation).
Solution: Implemented SKS bearings with PTFE-coated cages.
Result: 72% reduction in maintenance cycles; MTBF increased to 1,200 hours.

Case Study 2: Medical Robotics Leader

Challenge: Eliminate bearing noise in MRI-compatible surgical arms.
Solution: Custom 694 series with ceramic balls (ZrO2).
Result: Achieved 58 dB noise level; passed IEC 60601-2-52 certification.

6. Technical Support & Procurement Assistance

For technical specifications sheets or bulk pricing:
Email: info@vivalr.com
Tel: (86) 15866781826
Engineering Support: Submit application parameters for bearing life calculation (ISO 281:2007 standard).

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.

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

Customization Service

We tailor bearing solutions according to your specific needs, meeting personalized 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 centers 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.
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  • "Truksino is our trusted choice. Their competitive pricing saves costs. Professional technical support resolves issues quickly. The user - friendly website enables efficient procurement. Working with them makes our business run smoothly."
    Eco - Drive Auto Parts
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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.
Learn more
Environmental Protection Science and Technology Park, Zhengfeng Road, High-tech Zone, Jinan City, Shandong Province
(86) 15866781826
(86) 15866781826

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