Mini POM Pulley R5x21.5x7 with 625ZZ Bearing for 2020 Profile
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Prices updated: 14 Oct 2026
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About this product
A mini POM pulley with a 625ZZ bearing, used in belt-driven motion systems on 3D printers and CNC machines. It has a 5 mm bore, a 21.5 mm pulley diameter and a height of 7 mm, and the listing states it is intended for EU standard 2020 aluminum profile frames. The package contains one piece.
Specifications
- Inner diameter
- 5 mm / 5 مم
- Pulley diameter
- 21.5 mm / 21.5 مم
- Height
- 7 mm / 7 مم
- Material
- POM (Polyoxymethylene) / POM
- Bearing
- 625ZZ / 625ZZ
- Profile compatibility
- EU standard 2020 aluminum profile / بروفايل ألمنيوم 2020 بالمقاس الأوروبي
- Packing
- 1 pc / قطعة واحدة
Frequently asked questions
Does this pulley fit a 2020 aluminum profile?
The listing states it is intended for EU standard 2020 aluminum profile. Confirm the mounting bracket or shaft arrangement in your build matches the pulley's bore and height.
What is the bearing inside this pulley?
It uses a 625ZZ bearing, which is a standard miniature bearing with a 5 mm bore, 16 mm outer diameter and 5 mm width, with shields on both sides.
