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.

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.

Do these pulleys come with the pins?

Pins? No pins, just the pulleys.

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Chiloskit 20pcs V Groove Ball Bearings Pulley, Small Bearing Deep V Groove Guide Pulley Rail Ball Bearings Wheel,4x13x6mm

Chiloskit 20pcs V Groove Ball Bearings Pulley, Small Bearing Deep V Groove Guide Pulley Rail Ball Bearings Wheel,4x13x6mm

Product ID: 20782485

Details

Bearing Number
624
Brand
Chiloskit
Item Weight
10 Grams
Item dimensions L x W x H
0.51 x 0.51 x
Material
High Carbon

🔥Low friction for max efficiency

⚙️4x13x6mm precision size

🛠️High carbon steel durability

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VT3940

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Details

Bearing Number
624
Brand
Chiloskit
Item Weight
10 Grams

Description

⚙️ Elevate your projects with precision and power — don’t get left behind!

BULK PACK ADVANTAGE - 20-piece set means you’re always ready to innovate without running out—stay ahead of the curve.
ULTRA LOW FRICTION DESIGN - 624ZZ bearings minimize resistance, boosting energy efficiency and extending lifespan.
BUILT TO ENDURE HEAVY LOADS - Crafted from premium high carbon steel for unmatched toughness and reliability.
VERSATILE INDUSTRIAL POWERHOUSE - Perfect for everything from DIY projects to heavy machinery, agriculture, and automotive uses.
PRECISION ENGINEERED FOR SEAMLESS MOTION - Exact 4x13x6mm dimensions ensure flawless fit and smooth operation in any setup.

The Chiloskit 20pcs V Groove Ball Bearings Pulley set features 624ZZ deep V groove bearings sized at 4x13x6mm, made from high carbon steel for superior hardness and durability. Designed for low friction and high precision, these pulleys excel in diverse industrial and DIY applications, offering smooth, efficient operation under heavy loads. The bulk pack ensures you have ample components for multiple projects or maintenance needs.

Specifications

ASIN	B012KKTBRU
Bearing Number	624
Bearing Type	Ball Bearing
Best Sellers Rank	#71,109 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #339 in Deep-Groove Ball Bearings
Brand	Chiloskit
Brand Name	Chiloskit
Compatible Lubricant	Grease
Customer Reviews	4.3 out of 5 stars 334 Reviews
Item Dimensions	0.51 x 0.51 x 0.24 inches
Item Thickness	6 Millimeters
Item Weight	10 Grams
Item dimensions L x W x H	0.51 x 0.51 x 0.24 inches
Manufacturer	Preamer
Material	High Carbon Steel
Material Type	High Carbon Steel
Model	V624ZZ
Outside Diameter	13 Millimeters
Part Number	V624ZZ
UPC	710185353111
Unit Count	20 Count

Reviews

N**0

20.07.2017

J**E

26.02.2025

L**.

21.07.2023

R**I

5.04.2018

F**E

29.10.2016

T**M

25.07.2018

9**T

12.10.2019

R**N

7.03.2018

S**R

17.04.2026

S**.

25.11.2019

I**O

20.03.2020

A**R

28.08.2019

G**E

20.12.2018

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