Metal U Groove Sealed Guide Wheel Pulley Rail Ball Bearing U604ZZ for 3D Printer

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Open Build CNC delrin/ POM V wheel kit for V slot aluminium profile with MR105ZZ ball bearing. Used in 20 Series V-Slot aluminum profile and V-wheels to create linear motion systems. Suitable for 3D Printers, CNC, robotics etc.  ...See more
SKU BTS-00005100
SF Code B5.R4
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Express (Dhaka): 24 hours
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Outside Dhaka: 2-3 days
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The U604ZZ (also referred to as 604UU) is a high-precision metal U-groove guide wheel pulley designed for linear motion applications. Featuring a deep groove ball bearing construction with sealed sides, this pulley ensures smooth, quiet, and durable operation. Made from high-quality metal, it is ideal for 3D printers, CNC machines, sliding doors, and other rail-guided systems where stable and low-friction movement is required.

 

Features:

  • Precision-machined U-groove design for stable rail guidance
  • Sealed bearings (ZZ) to prevent dust and debris ingress
  • Constructed from durable metal for high load capacity and long service life
  • Low-noise, smooth rotation suitable for continuous motion systems
  • Ready to use—pre-lubricated for maintenance-free operation

 

Specifications:

  • Model: U604ZZ / 604UU
  • Bearing Type: Deep Groove Ball Bearing with U-Groove
  • Material: Metal
  • Inner Diameter: 4 mm
  • Outer Diameter: 13 mm
  • Width: 4 mm
  • Groove Type: U-shaped
  • Shield Type: Double Sealed (ZZ)

 

Applications:

  • 3D printers and linear motion systems
  • CNC machines and precision guide mechanisms
  • Sliding doors, windows, and drawers
  • Conveyor tracks and rail systems
  • Robotics and automated machinery
  • DIY engineering and mechanical projects
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Customer Reviews

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Toufiqur Rahman's review emoji-happy
Review by Toufiqur Rahman
Used these U604ZZ pulleys on my Ender 3 linear rail upgrade. They run super smooth and the sealed bearing keeps dust out. Very solid build for the price. Definitely recommended for any 3D printer project.
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Rafsan's review emoji-happy
Review by Rafsan
এই পুলিগুলো 3D প্রিন্টারের জন্য দারুণ। প্রথমে একটু সন্দেহ ছিল, কিন্তু ব্যবহারের পর বুঝলাম দামের তুলনায় অনেক ভালো। প্রিন্টের কোয়ালিটিও উন্নত হয়েছে। সবার কাছে রেকমেন্ড করবো।
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Mahir's review emoji-happy
Review by Mahir
Package ta valo chilo, sob gulo extra parts safe ase. U groove bala, rail e perfectly fit kore. 3D printer e besh kaj e lagche. Dham valo, onek din chalano jabe.
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Rashedul Islam's review emoji-happy
Review by Rashedul Islam
I'm using these on a small CNC machine I built. The U-channel tracks perfectly on the rails and there's no wobble. Sealed bearings are a plus. Very good quality and they arrived well packaged.
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Shafin Ahmed's review emoji-happy
Review by Shafin Ahmed
আমার 3D প্রিন্টারের জন্য এই pulley গুলো কিনেছি। বেশ নিখুঁত কাজ করে, কোনো শব্দ নেই। বেয়ারিংটা সিল করা, তাই ধুলো ঢুকবে না। দামও যুক্তিসঙ্গত। আরো অর্ডার করবো।
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Aronyo Dev's review emoji-happy
Review by Aronyo Dev
Product ta khub valo, 3D printer e lagaisi. Choto khob, but kaj e perfect. U groove ta accurate, roller smooth. Delivery fast chilo. Kebol dam aktu beshi mone hoise, but quality valo.
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Shihab's review emoji-happy
Review by Shihab
Eita amar robotics project e lagse. Bearing ta onek smooth, no friction. Sealed side diya dust o dhukbe na. Ami khub satisfied, abar kinbo.
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Dhrubo's review emoji-happy
Review by Dhrubo
The bearings are machined well, but one of them had a slight wobble. Still, for the money they're okay. I used them on a rail-guided sliding door; the rest work perfectly. Might buy again.
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Tashrik's review emoji-happy
Review by Tashrik
ডিআইওয়াই প্রজেক্টে লাগানোর জন্য কিনেছিলাম। কোয়ালিটি ভালো, তবে একটা বেয়ারিং-এ সামান্য ঘষা আছে। তবুও দামের জন্য মন্দ না। যারা কম বাজেটে কাজ সারতে চান তাদের জন্য ঠিক হবে।
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Aronyo Dev's review emoji-happy
Review by Aronyo Dev
Product ta khub valo, 3D printer e lagaisi. Choto khob, but kaj e perfect. U groove ta accurate, roller smooth. Delivery fast chilo. Kebol dam aktu beshi mone hoise, but quality valo.

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General Questions

  • What is the latest price of the Metal U Groove Sealed Guide Wheel Pulley Rail Ball Bearing U604ZZ for 3D Printer in Bangladesh?

    The latest price of Metal U Groove Sealed Guide Wheel Pulley Rail Ball Bearing U604ZZ for 3D Printer in Bangladesh is BDT 90.00 . You can buy the Metal U Groove Sealed Guide Wheel Pulley Rail Ball Bearing U604ZZ for 3D Printer at the best price on BDTronics.com or contact us via phone.

  • Where to buy Metal U Groove Sealed Guide Wheel Pulley Rail Ball Bearing U604ZZ for 3D Printer in Bangladesh?

    You can buy Metal U Groove Sealed Guide Wheel Pulley Rail Ball Bearing U604ZZ for 3D Printer online by ordering on BDTronics.com or directly collect by visiting our store in person. BDTronics is a trusted provider of high-quality electronics, 3D printers, solar systems, and robotics parts. We offer fast shipping across the country via courier service.

  • What are the delivery options of Metal U Groove Sealed Guide Wheel Pulley Rail Ball Bearing U604ZZ for 3D Printer in Bangladesh?

    We provide home delivery service all over Bangladesh. We support Cash on Delivery, Online Bank Transfer, bKash and Credit Card (Visa/ MasterCard/ Amex) payment solutions. The delivery time usually takes 1-2 days inside Dhaka and 2-4 days outside Dhaka.

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