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440 Stainless Steel Deep Groove Ball Bearings 6900 Series
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440 Stainless Steel Deep Groove Ball Bearings 6900 Series

Material 440 Stainless Steel
Bearing Type Deep Groove Ball Bearing
Inner Diameter (ID) 3mm - 75mm (depending on series and model)
Outer Diameter (OD) 8mm - 105mm (depending on series and model)
Width (W) 3mm - 16mm (depending on series and model)
Load Rating High radial and axial load capacity
Friction Coefficient Low friction for smooth rotation
Temperature Range -20°C to +120°C
Lubrication Type Pre-lubricated or greased (depending on model)
Seals Open, shielded, or sealed options

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The 440 Stainless Steel Deep Groove Ball Bearings 6900 Series are high-quality bearings made from 440 stainless steel, offering exceptional performance in both high-speed and high-load applications. These bearings are specifically designed for demanding environments that require both corrosion resistance and durability. With a deep groove design, they are capable of handling both radial and axial loads, making them versatile and reliable for a wide range of applications across various industries, from automotive to marine and industrial machinery.

 

 

 

 

 

 

 

Bearing
NO.		 Bore
d
mm		 O.D
D
mm		 Width
B
mm		 Chamfer
r min
mm		 Ball Complement Load Rating(KN) Limiting speed Weight
(kg)
NO. Size
mm		 Dynamic
Cr		 Static
Cor		 Grease
r/min		 Oil
r/min
S693 3 8 3 0.15   6 1.588 0.56 0.18 54000 63000 0.0006
SW693 3 8 4 0.15   6 1.588 0.56 0.18 54000 63000 0.0007
S694 4 11 4 0.15   7 2 0.715 0.276 45000 52000 0.0018
S695 5 13 4 0.2   8 2.0 1.08 0.42 34000 43000 0.0024
S696 6 15 5 0.2   8 2.381 1.48 0.60 32000 40000 0.0038
S697 7 17 5 0.2   9 2.381 2.02 0.80 30000 38000 0.0052
S698 8 19 6 0.3   7 3.5 2.25 0.92 28000 36000 0.0073
S699 9 20 6 0.3   9 2.381 2.48 1.08 27000 34000 0.0082
S6900 10 22 6 0.5   9 3.175 3.30 1.40 25000 32000 0.009
S6901 12 24 6 0.5 10 3.175 3.38 1.48 20000 28000 0.011
S6902 15 28 7 0.5 10 3.969 4.00 2.02 19000 26000 0.016
S6903 17 30 7 0.5 11 3.969 4.30 2.32 18000 24000 0.018
S6904 20 37 9 0.5 11 4.763 6.55 3.60 17000 22000 0.036
S6905 25 42 9 0.5 12 4.763 7.36 4.55 14000 18000 0.042
S6906 30 47 9 0.3 14 4.763 7.25 5.00 12000 16000 0.048
S6907 35 55 10 0.6 13 5.953 11.2 7.45 10000 14000 0.074
S6908 40 62 12 0.6 13 6.747 14.6 10.2 8000 12000 0.110
S6909 45 68 12 1.0 15 6.747 14 98 9000 11000 0.14
S6910 50 72 12 1.0 16 6.747 14.6 10.4 8500 10000 0.14
S6911 55 80 13 1.0 15 7.938 15.9 11.4 8000 9500 0.19
S6912 60 85 13 1.0 16 7.938 16.5 12 7500 9000 0.20
S6913 65 90 13 17.4 13.4 6700 8000 0.22
S6914 70 100 16 23.8 18.3 6300 7500 0.35
S6915 75 105 16 24.2 19.3 6000 7000 0.37

Key Features of 440 Stainless Steel Deep Groove Ball Bearings 6900 Series

  1. Superior Corrosion Resistance
    • The use of 440 stainless steel ensures these bearings are highly resistant to rust, corrosion, and oxidation, making them ideal for applications exposed to moisture, chemicals, and harsh environments.
  2. High Load Capacity
    • The deep groove design allows the bearings to handle both radial and axial loads, providing versatility and making them suitable for a wide range of applications requiring reliable performance under load.
  3. Low Friction and Smooth Operation
    • Designed for low friction, the 6900 Series bearings ensure smooth and efficient motion, reducing energy consumption, minimizing heat buildup, and extending the life of the equipment.
  4. Durability and Long Lifespan
    • Built to endure high-speed and heavy-duty applications, these bearings have a long service life with minimal maintenance, ensuring reduced downtime and fewer replacements.
  5. Temperature Resistance
    • The 6900 Series bearings perform reliably in a wide temperature range, ensuring consistent operation in both high and low-temperature environments.
  6. Customizable Sizes
    • Available in various sizes and configurations to meet the unique needs of your specific application. These bearings can be tailored to ensure a perfect fit.

Applications of 440 Stainless Steel Deep Groove Ball Bearings 6900 Series

  1. Automotive Industry
    • Commonly used in automotive systems such as wheel hubs, steering systems, and transmissions, where durability, corrosion resistance, and smooth performance are essential.
  2. Food Processing
    • Ideal for food manufacturing and processing equipment where hygiene, corrosion resistance, and minimal maintenance are crucial.
  3. Industrial Equipment
    • Suitable for use in industrial machinery like pumps, conveyors, textile machinery, and electric motors that require both high-speed rotation and high load capacity.
  4. Marine Applications
    • Perfect for marine environments, such as in boat engines, water pumps, and other marine machinery, due to their excellent resistance to saltwater corrosion.
  5. Robotics and Automation
    • The 6900 Series bearings are commonly used in robotics, CNC machines, and automation systems, providing smooth and precise motion for high-performance applications.
  6. Agricultural Machinery
    • Frequently used in agricultural equipment, including tractors, harvesters, and irrigation systems, which require reliable and long-lasting bearings for heavy-duty applications.

1. Premium Quality Materials

We use top-grade ceramic materials like Zirconia (ZrO2) and Silicon Nitride (Si3N4) to ensure our bearings offer superior durability, wear resistance, and performance.

2. Tailored Solutions

Our team works closely with you to provide customized bearing solutions that perfectly meet the needs of your industry, whether in packaging, renewable energy, or other specialized fields.

3. Industry Expertise

With years of experience serving diverse industries, we understand the unique challenges of high-performance applications and consistently deliver reliable solutions.

4. Precision Engineering

Our ceramic bearings are manufactured with state-of-the-art technology to achieve unmatched precision and efficiency, ensuring smooth operation and extended lifespan.

5. Competitive Pricing

We combine high quality with cost-effective pricing, offering excellent value to our clients without compromising on performance.

6. Fast Delivery & Global Reach

Our streamlined logistics and global network ensure timely delivery, no matter where you are.

7. Exceptional Support

Our dedicated team is available to assist you every step of the way—from initial inquiry to after-sales service—ensuring a hassle-free experience.

1. What are ceramic bearings?

Ceramic bearings are bearings made from advanced ceramic materials such as Zirconia (ZrO2) or Silicon Nitride (Si3N4). They are known for their high strength, wear resistance, and ability to perform in extreme conditions.

2. What are the advantages of ceramic bearings over steel bearings?

Ceramic bearings offer several advantages, including:

  • Higher Durability: Resistant to wear, corrosion, and high temperatures.
  • Lighter Weight: Up to 40% lighter than steel bearings.
  • Non-Magnetic & Electrically Insulating: Ideal for sensitive applications.
  • Low Friction: Reduces energy loss and heat generation.

3. In which industries are ceramic bearings commonly used?

Ceramic bearings are widely used in:

  • Packaging equipment
  • Renewable energy (e.g., wind turbines)
  • Aerospace and automotive
  • Medical devices
  • Chemical processing
  • High-precision tools

4. Can ceramic bearings handle high temperatures?

Yes, ceramic bearings are highly resistant to heat and can operate in temperatures exceeding 1,000°C, depending on the material used.

5. Are ceramic bearings suitable for corrosive environments?

Absolutely! Ceramic bearings are non-reactive to most chemicals, making them ideal for use in highly corrosive environments.

6. What is the lifespan of ceramic bearings?

Ceramic bearings typically last much longer than steel bearings due to their wear resistance and durability. However, the exact lifespan depends on the operating conditions and maintenance practices.

7. How do I maintain ceramic bearings?

Ceramic bearings require minimal maintenance, but to ensure longevity:

  • Use the correct lubrication when necessary.
  • Keep them clean and free from contaminants.
  • Follow proper installation procedures.

8. Do you provide customized ceramic bearings?

Yes, we offer tailored ceramic bearing solutions to meet your specific application requirements. Contact us to discuss your needs.

9. What sizes and types of ceramic bearings do you offer?

We supply a wide range of sizes and configurations, including ball bearings, roller bearings, and hybrid bearings. Check our product catalog or contact us for more details.

10. How can I place an order or request a quote?

Simply visit our Contact Us page, fill out the inquiry form, or reach out to us directly via email or phone. Our team will respond promptly with the information you need.

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