72PCS 6 Sizes Deep Groove Ball Bearings Assortment - size: 72PCS 693ZZ-627ZZ
72PCS 6 Sizes Deep Groove Ball Bearings Assortment - size: 72PCS 693ZZ-627ZZ
About this item
- 72PCS ULTRA-VALUE SET: MORE QUANTITY FOR ALL NEEDS. Contains 72 high-quality ball bearings in 6 popular sizes: 693ZZ (14pcs), 623ZZ (13pcs), 624ZZ (13pcs), 685ZZ (12pcs), 687ZZ (10pcs), and 627ZZ (10pcs). This comprehensive assortment offers more pieces than typical sets, ensuring you always have a spare for your maintenance or DIY projects
- STABLE PERFORMANCE: SMOOTH & LOW NOISE. Made of durable carbon steel with a sleek silver finish, these miniature bearings are pre-lubricated with high-speed grease to ensure smooth rotation and reduced friction. Designed to provide reliable support for low to medium load applications, effectively solving common issues like jitter and squeaking in moving parts
- DOUBLE METAL SHIELDED: EFFECTIVE PROTECTION. Each bearing features double-sided metal shielding (ZZ) to prevent dust, dirt, and impurities from entering the interior. This design preserves the lubricant and extends the service life, making them more resilient in various working environments compared to open-type bearings
- PRECISE DIMENSIONS: UNIVERSAL COMPATIBILITY. Accurately sized for a perfect fit: from the smallest 693ZZ (3x8x4mm) to the largest 627ZZ (7x22x7mm). Suitable for 3D printers (like Voron/Creality), RC cars, small motors, skateboards, and household appliances. Clear size specifications help you quickly identify the right part for repair
- VERSATILE APPLICATION: THE DIYER'S CHOICE. Whether you are fixing a fidget spinner, upgrading your RC vehicle's transmission, or building a custom robotics project, this versatile set provides the essential components needed for precision motion. A must-have hardware kit for hobbyists and professionals looking for a cost-effective bearing solution
- DURABLE CARBON STEEL CONSTRUCTION: High-strength carbon steel material ensures long-lasting performance and reliability under continuous use. The silver finish provides corrosion resistance and maintains aesthetic appeal throughout the bearing's service life
- ORGANIZED STORAGE SOLUTION: Complete bearing assortment comes ready for easy organization and quick access during projects. Multiple sizes in one kit eliminate the need for separate purchases and reduce downtime when working on repairs or builds
Overview
- Brand: Kalote
- Material: Carbon Steel
- Item dimensions L x W x H: 7.48 x 3.94 x 0.67 inches
- Item Weight: 50 g
- Bearing Number: 693ZZ/623ZZ/624ZZ/685ZZ/687ZZ/627ZZ
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Reviews
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Hannah Miller — Seattle, Washington
I ordered several science activity supplies for projects at home. The product descriptions made it easier to compare the available options, and everything fit neatly into our learning space. Stemora made finding tools for hands-on activities feel simple and organized. -
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Daniel Foster — Austin, Texas
I found a useful selection of electronics and robotics accessories for a beginner project. It was convenient to browse related components in clearly organized categories. I would consider shopping here again when planning another maker activity. -
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Lauren Bennett — Denver, Colorado
The measurement and observation tools I selected worked well for the classroom activities I had planned. I especially appreciated being able to review the product details before ordering and choose items that matched the lesson requirements. -
⭐⭐⭐⭐⭐
Jason Parker — Portland, Oregon
I purchased a few storage items and small tools for organizing my maker workspace. The products helped keep components, wires, and project materials easier to sort and access. The overall shopping experience was straightforward and convenient.
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FAQ
What types of products does Stemora offer?
Stemora offers supplies for science experiments, microscopy, biology learning, measurement, laboratory organization, electronics, robotics, coding education, 3D printing, maker projects, and classroom activities. Available products and specifications may change over time.
Are Stemora products suitable for children?
Recommended ages vary by product. Please review the product description, manufacturer guidance, included warnings, and required skill level before purchasing. Products containing small parts, tools, electrical components, glass, or chemicals may not be suitable for young children.
Is adult supervision required?
Adult supervision is recommended for children and students, especially when using electrical components, sharp tools, heated equipment, glassware, small parts, or experiment materials. Customers are responsible for following all product instructions and safety precautions.
Can these products be used at home and in classrooms?
Many products may be suitable for classrooms, home learning, science projects, maker spaces, and hobby activities. Suitability depends on the specific product, learning environment, user experience, and intended activity.
How can I check what is included with a product?
Please review the product title, description, specifications, images, package quantity, and included-components section before ordering. Items shown for demonstration or scale in product images may not always be included.
How do I know whether an electronic or robotics part is compatible?
Check the listed dimensions, voltage, connector type, board compatibility, operating requirements, and supported platforms. Compatibility is not guaranteed unless it is specifically stated on the product page. Contact us before ordering if you need clarification.
When will I receive tracking information?
Tracking information is generally provided within 3–5 business days after an order is confirmed. In some cases, processing may take approximately 7–8 business days. Delivery may require an additional 4–5 business days after tracking becomes available, depending on the carrier and destination.
Why did my order arrive in separate packages?
Products in the same order may be shipped from different fulfillment locations. As a result, items may arrive separately and have different tracking numbers. You will not be charged additional shipping fees solely because an order is divided into multiple packages.
Can I change or cancel my order?
Contact us as soon as possible at vaioamaonaoak@gmail.com. We will try to assist, but changes or cancellations cannot be guaranteed once an order has entered processing or has been shipped.
What should I do if an item arrives damaged, defective, or incorrect?
Contact us promptly at vaioamaonaoak@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, and shipping label. Please retain the product and original packaging while we review your request. Eligibility and available resolutions are subject to our Return & Refund Policy.
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