---
product_id: 21893184
title: "5PCS U-Groove Pulley Roller Wheels with Deep Groove Ball Bearings, 8x30x10mm Silent Nylon Guide Track Rollers for Sliding Doors, Windows, and Gym Cable Systems, Heavy Duty & Smooth Motion"
brand: "preamer"
price: "3058 som"
currency: KGS
in_stock: true
category: "Preamer"
url: https://www.desertcart.kg/products/21893184-5pcs-u-groove-pulley-roller-wheels-with-deep-groove-ball
store_origin: KG
region: Kyrgyzstan
---

# Silent, whisper-quiet glide 8x30x10mm precision size Dual-shielded bearings for durability 5PCS U-Groove Pulley Roller Wheels with Deep Groove Ball Bearings, 8x30x10mm Silent Nylon Guide Track Rollers for Sliding Doors, Windows, and Gym Cable Systems, Heavy Duty & Smooth Motion

**Brand:** preamer
**Price:** 3058 som
**Availability:** ✅ In Stock

## Summary

> 🛠️ Glide into seamless motion — upgrade your sliding game now!

## Quick Answers

- **What is this?** 5PCS U-Groove Pulley Roller Wheels with Deep Groove Ball Bearings, 8x30x10mm Silent Nylon Guide Track Rollers for Sliding Doors, Windows, and Gym Cable Systems, Heavy Duty & Smooth Motion by preamer
- **How much does it cost?** 3058 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/21893184-5pcs-u-groove-pulley-roller-wheels-with-deep-groove-ball)

## Best For

- preamer enthusiasts

## Why This Product

- Trusted preamer brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Heavy-Duty Load Capacity:** Supports up to 200 lbs, ensuring stability and strength for demanding applications.
- • **Versatility Meets Performance:** Perfect for sliding doors, windows, gym cables, and DIY projects—adaptable to your dynamic lifestyle.
- • **Engineered for Effortless Glide:** Experience ultra-smooth, noise-free sliding with advanced low-friction nylon rollers.
- • **Maintenance-Free Shielded Bearings:** Dual-sided shields lock in lubricant and keep out dust, minimizing upkeep and maximizing efficiency.
- • **Built to Last with Premium Materials:** High-grade nylon and steel core bearings resist wear and rust for years of reliable use.

## Overview

The Preamer 5PCS U-Groove Pulley Roller Wheels feature precision 8x30x10mm dimensions with deep groove ball bearings, crafted from durable nylon and steel for silent, smooth operation. Designed for heavy-duty use with a 200 lbs max load, these dual-shielded rollers minimize maintenance and excel in versatile applications from sliding doors to gym cable systems, backed by a 3-year warranty.

## Description

Preamer 5PCS U-Groove Pulley Roller Wheels with Deep Groove Ball Bearings, 8x30x10mm Silent Nylon Guide Track Rollers for Sliding Doors, Windows, and Gym Cable Systems, Heavy Duty & Smooth Motion: desertcart.com: Industrial & Scientific

## Features

- [Material & Durability] Crafted with high-quality nylon and robust steel core roller bearings, these wheels ensure exceptional wear resistance and anti-rust performance. Designed for long-lasting use, they provide a sturdy foundation for your daily mechanical needs without frequent replacements.
- [Smooth & Whisper-Quiet Operation] Engineered for minimal friction, these rollers glide effortlessly along the track. Whether used as rv shower door rollers or in home furniture, they significantly reduce noise, offering you a peaceful and comfortable environment every time you slide the door.
- VERSATILE APPLICATIONS FOR HOME & INDUSTRY: These versatile guide pulleys are ideal for a wide range of applications. Whether you are upgrading sliding glass doors, aluminum windows, furniture hardware, or building DIY home gym cable systems and 3D printers, these rollers deliver consistent and stable performance.
- SECURE SHIELDING & LOW MAINTENANCE: The internal bearings are shielded on both sides to effectively keep lubricants in and prevent dust or debris from entering. This thoughtful design minimizes the need for frequent maintenance while maintaining high-speed, low-noise operation for extended periods.
- Product Size: 8mm/0.3"(ID)*30mm/1.2"(OD)*10mm/0.4"(Thickness),U groove Size: 6mm/(Width)*3mm(Depth).5 pcs.(3 Years Warranty).Max-Loading:200Lbs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B014884ZYG |
| Bearing Number | 608ZZ |
| Bearing Type | Roller Bearing |
| Best Sellers Rank | #137,585 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #753 in Deep-Groove Ball Bearings |
| Brand | Preamer |
| Brand Name | Preamer |
| Compatible Lubricant | Grease |
| Customer Reviews | 4.4 out of 5 stars 152 Reviews |
| Item Dimensions | 1.18 x 1.18 x 0.39 inches |
| Item Thickness | 10 millimeters |
| Item Weight | 1.12 ounces |
| Item dimensions L x W x H | 1.18 x 1.18 x 0.39 inches |
| Manufacturer | Preamer |
| Material | POM, Steel |
| Material Type | POM,Steel |
| Model | HU-0830-10 |
| Number of Items | 5 |
| Number of Packs | 5 |
| Outside Diameter | 30 millimeters |
| Part Number | 8186738 |
| Specification Met | ABEC 1 |
| UPC | 711301729988 740690520654 |
| Unit Count | 5 Count |
| Warranty Description | 3 Years |

## Product Details

- **Bearing Number:** 608ZZ
- **Brand:** Preamer
- **Item Weight:** 1.12 ounces
- **Item dimensions L x W x H:** 1.18 x 1.18 x 0.39 inches
- **Material:** POM,Steel

## Images

![5PCS U-Groove Pulley Roller Wheels with Deep Groove Ball Bearings, 8x30x10mm Silent Nylon Guide Track Rollers for Sliding Doors, Windows, and Gym Cable Systems, Heavy Duty & Smooth Motion - Image 1](https://m.media-amazon.com/images/I/61qqO-i60-L.jpg)
![5PCS U-Groove Pulley Roller Wheels with Deep Groove Ball Bearings, 8x30x10mm Silent Nylon Guide Track Rollers for Sliding Doors, Windows, and Gym Cable Systems, Heavy Duty & Smooth Motion - Image 2](https://m.media-amazon.com/images/I/71Yx0jTQyML.jpg)
![5PCS U-Groove Pulley Roller Wheels with Deep Groove Ball Bearings, 8x30x10mm Silent Nylon Guide Track Rollers for Sliding Doors, Windows, and Gym Cable Systems, Heavy Duty & Smooth Motion - Image 3](https://m.media-amazon.com/images/I/71s7Q+PxCeL.jpg)
![5PCS U-Groove Pulley Roller Wheels with Deep Groove Ball Bearings, 8x30x10mm Silent Nylon Guide Track Rollers for Sliding Doors, Windows, and Gym Cable Systems, Heavy Duty & Smooth Motion - Image 4](https://m.media-amazon.com/images/I/71v+SOlX1+L.jpg)
![5PCS U-Groove Pulley Roller Wheels with Deep Groove Ball Bearings, 8x30x10mm Silent Nylon Guide Track Rollers for Sliding Doors, Windows, and Gym Cable Systems, Heavy Duty & Smooth Motion - Image 5](https://m.media-amazon.com/images/I/71ati+IdakL.jpg)

## Questions & Answers

**Q: What size is the bolt hole?**
A: 5/16” threaded bolt with a lock washer has worked very well for me.

**Q: What size is the bolt hole?**
A: It's a 608 bearing, so the inner diameter is 8mm. http://www.gizmology.net/bearings.htm (It mounts on an M4 bolt)

**Q: I would like to know the weight that these pulleys support**
A: I don't know. I used them for my son's robotics team

**Q: Is there a load capacity on these if you are using them as a pulley?**
A: There probably is, the Plastic outer would be the limiting factor as excessive weight would make the cable or rope cut into the plastic.

## Frequently Bought Together

- Preamer 5PCS 8x30x10mm Nylon Round Plasic Pulley U Groove Track Roller Bearing Pulleys Wheel Roller for Sliding Door Window Lifting Systems, Double Shielde 608zz Bearing Inside
- Prime-Line D 1798 1-1/4 In. Nylon Ball Bearing, Sliding Door Roller Set (2 Pack)
- uxcell 4pcs U Type Groove Pulley Nylon Guide Rolling Bearing 5x25.5x8.5mm U Groove Roller Wheel for Door Window, Blue

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**Shop now:** [https://www.desertcart.kg/products/21893184-5pcs-u-groove-pulley-roller-wheels-with-deep-groove-ball](https://www.desertcart.kg/products/21893184-5pcs-u-groove-pulley-roller-wheels-with-deep-groove-ball)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-09-18*