I haven't seen any rust as of yet. The device I built that uses them is in my garage so doesn't get direct water on it, but it does get pretty humid.

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20pcs 1.5mm Deep Metal V Groove Guide Pulley Bearing Wheel Rail Ball Bearings Wheel 4x13x6mm

20pcs 1.5mm Deep Metal V Groove Guide Pulley Bearing Wheel Rail Ball Bearings Wheel 4x13x6mm

Q: What are the measurements in inches.

According to Amazon: inside diameter and V groove width = 4mm = 0.1575 inch, outside diameter = 13mm = 0.5119 inch, groove deepnes = 1.5mm = 0.05905 inch. I use them to guide curtain cord.

Q: Do these pulleys come with the pins?

Pins? No pins, just the pulleys.

Product ID: 392386477

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Details

Brand
Chiloskit
Material
High Carbon
Item dimensions L x W x H
13 x 13 x 6
Bore diameter
4 Millimeters
Item weight
10 Grams

📏13mm OD

🔩20 pcs pack

⚙️4mm ID

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Description

🔧 Elevate Your Projects with Precision!

COMPACT DESIGN - Space-saving dimensions of 4x13x6mm for easy integration.
READY FOR ACTION - Comes in a pack of 20 for all your project needs.
LOW LOAD ADAPTATION - Ideal for low-speed, low-load applications.
PRECISION ENGINEERING - Crafted from high carbon steel for durability and reliability.
VERSATILE APPLICATIONS - Perfect for 3D printers, quadcopters, and more!

The Chiloskit 20pcs Deep Metal V Groove Guide Pulley Bearing Wheel is designed for a variety of linear motion systems, including 3D printers and quadcopters. Made from high carbon steel, these bearings offer durability and precision in low-speed applications. Each pack contains 20 pieces, ensuring you have spares for all your projects. With compact dimensions of 4x13x6mm, they are perfect for seamless integration into your machinery.

Specifications

Manufacturer	Preamer
Part number	V624ZZ
Item Weight	10 g
Product Dimensions	1.3 x 1.3 x 0.6 cm; 10 g
Item model number	V624ZZ
Size	4x13x6mm
Color	Sliver
Material	High Carbon Steel
Item thickness	6 Millimeters
Item Package Quantity	20
Measurement System	Metric
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

What are the measurements in inches.

Does it rust?

Is the hole diameter 5/32? Or is it the 6mm?

Do these pulleys come with the pins?

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