- Home Page /
- Industrial Supplies /
- Power Transmission Equipment /
- Bearings, Balls & Bushings /
- Ball Bearings /
- Radial Ball Bearings /
- Deep-Groove Ball Bearings /
- KOYO 6203 2RS Deep Groove Ball Bearings 17 x ...
0 ratings
Item #:
37774357
KOYO 6203 2RS Deep Groove Ball Bearings 17 x 40 x 12mm !!!
90% of respondents would recommend this to a friend
Item #:
37774357
TMT 82
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Tuesday, October 06
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
High quality deep groove ball bearing from KOYO 6203 2RS C3
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Precision
Designed for precision performance, KOYO 6203 2RS bearings ensure minimal friction and high durability, making them ideal for various applications requiring reliable operation.
Sealed Protection
The double rubber seal design effectively prevents contaminants from entering, prolonging service life and maintaining optimal functionality in challenging environments.
Fast Shipping
With same-day shipping, customers can expect quick delivery, making these bearings readily available for urgent repairs or projects without unnecessary delays.
Product Details
- KOYO 6203 2RS deep groove ball bearings
- Bearing dimensions: 17x40x12 mm
- Basic dynamic load rating: 9.55 kN
- Basic static load rating: 4.8 kN
- Grease lubrication speed: 17000 r/min
- Made in Japan
| Brand Name | Koyo |
| Bearing Number | 6203 |
| Bearing Type | Ball Bearing |
| Part Number | KOYO 6203 2RS 17 x 40 x 12mm |
| Manufacturer | Koyo |
| Compatible Lubricant | Oil |
| Brand | Koyo |
| Item Weight | 0.1 lbs (50 grams) |
Who Should Buy?
-
DIY Enthusiasts
Perfect for hobbyist projects, ensuring smooth movement in models, tools, or machinery needing reliable bearings.
-
Small Machinery
Ideal for small motors and equipment requiring compact yet efficient bearings for optimal performance and durability.
-
Bicycle Maintenance
Great choice for bicycle wheel hubs or cranksets, providing necessary support and reducing friction while riding.
-
Heavy Machinery
Not suitable for high-load industrial applications where larger or more robust bearings are necessary for functionality.
Product Description
KOYO 6203 2RS Deep Groove Ball Bearings 17 x 40 x 12mm !!!
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the KOYO 6203 2RS Deep Groove Ball Bearing used for?
Answer: The KOYO 6203 2RS Deep Groove Ball Bearing is designed for various applications in machinery and vehicles, providing a smooth rotation and reduced friction. It’s ideal for electromechanical equipment, automotive components, and household appliances where reliable performance is paramount. This bearing can endure multiple load conditions, making it a versatile choice in many industrial and consumer settings, such as in electric motors and conveyor systems. -
Question:
What are the dimensions of the KOYO 6203 2RS bearing?
Answer: The KOYO 6203 2RS Deep Groove Ball Bearing features standard dimensions of 17mm inner diameter, 40mm outer diameter, and 12mm width. These precise measurements ensure compatibility with various applications and assemblies, allowing users to replace worn-out bearings effortlessly. Choosing the right size is crucial for optimal performance, so understanding these dimensions helps you select suitable bearings for your machinery. -
Question:
How does the 2RS designation benefit the KOYO 6203 bearing?
Answer: The '2RS' designation indicates that the KOYO 6203 bearing is equipped with rubber seals on both sides, providing excellent protection against dust, moisture, and contaminants. This sealing feature enhances the bearing's longevity and reliability, making it suitable for operations in adverse environments. Users can rest assured that this design minimizes maintenance needs, perfect for those who want to ensure a cleaner and more efficient operation in machinery. -
Question:
What are the advantages of using deep groove ball bearings?
Answer: Deep groove ball bearings, like the KOYO 6203, are known for their ability to accommodate both radial and axial loads, making them highly versatile. They offer lower friction and higher-speed capabilities compared to other bearing types, which leads to improved performance and efficiency. These bearings are particularly suitable for applications where space is limited, such as in compact machinery or automotive parts, providing smooth operation in a wide range of environments. -
Question:
What materials are used in the KOYO 6203 2RS bearing?
Answer: The KOYO 6203 2RS Deep Groove Ball Bearing is typically made of high-quality steel, which lends durability and strength. The inner and outer races, along with the ball elements, are manufactured to exacting standards to ensure smooth operation. The rubber seals are crafted to withstand various operational challenges, maintaining the bearing's integrity in diverse applications. This combination of materials provides users with a reliable solution for high-performance needs. -
Question:
What factors should I consider when selecting a deep groove ball bearing?
Answer: When selecting a deep groove ball bearing such as the KOYO 6203, consider the load capacity, shaft speed, operating environment, and dimensional compatibility with your application. Understanding the type of load (radial or axial) your application will experience is critical for durability. Additionally, ensure that the bearing's sealing and material properties align with your specific usage conditions to avoid premature wear. -
Question:
Can the KOYO 6203 2RS bearing be used in high-speed applications?
Answer: Yes, the KOYO 6203 2RS bearing is well-suited for high-speed applications due to its design and minimal friction characteristics. It can efficiently handle rotating speeds common in electric motors and turbines, contributing to performance improvements. Users in industries like robotics or automation can leverage this capability, ensuring consistent operation without excessive heat generation that could hamper equipment efficacy. -
Question:
How do I install the KOYO 6203 2RS bearing?
Answer: Installation of the KOYO 6203 2RS bearing should be performed with care to avoid damage. Begin by preparing the housing and shaft, ensuring they are clean and free of any debris. Use appropriate tools to press the bearing into place, ensuring even pressure on the outer race. It's important to avoid using brute force, as this may misalign the bearing. Proper installation will guarantee optimal performance and longevity. -
Question:
Where can I buy KOYO 6203 2RS Deep Groove Ball Bearings in Turkmenistan?
Answer: You can purchase KOYO 6203 2RS Deep Groove Ball Bearings at Ubuy in Turkmenistan. Ubuy offers a user-friendly platform with readily available stock of various bearing types, including the KOYO 6203, ensuring you have access to quality products for your needs. Their extensive selection allows you to find the right bearings efficiently, making Ubuy a reliable choice for your purchase. -
Question:
What is the typical lifespan of a KOYO 6203 2RS bearing?
Answer: The lifespan of the KOYO 6203 2RS bearing can vary greatly depending on usage conditions such as load, speed, and environmental factors. However, when correctly installed and maintained, these bearings can last for a significant duration, making them a cost-effective choice for various applications. Regular monitoring can help identify potential issues early, ensuring that users can replace bearings before they fail, thereby maintaining operational efficiency.
Koyo Deep-Groove Ball Bearings Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
0%
-
4 Star
100%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- High quality materials
- Smooth and quiet operation
- Durable and long-lasting
- Easy to install
- Great for various applications
Cons
- A bit heavier than similar products.
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
TMT 82
Order now and get it around Tuesday, October 06
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Brand: KOYO
- Size: 17x40x12 mm
- Weight: 0.065 Kg
- Grease Lubrication Speed: 17000 r/min
- Basic dynamic load rating (C): 9.55 kN
- Basic static load rating (C0): 4.8 kN
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.