---
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: "₨326"
currency: SCR
in_stock: true
category: "Preamer"
url: https://www.desertcart.sc/products/21893184-5pcs-u-groove-pulley-roller-wheels-with-deep-groove-ball
store_origin: SC
region: Seychelles
---

# Silent, whisper-quiet nylon rollers 8x30x10mm precision size Dual-shielded deep groove ball bearings 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:** ₨326
**Availability:** ✅ In Stock

## Summary

> ⚙️ Glide into the future with silent strength and precision!

## 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?** ₨326 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/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 Load, Light Touch:** Supports up to 200 lbs while maintaining smooth, stable operation—power meets finesse.
- • **Maintenance-Free Motion:** Dual-shielded bearings lock in lubricant and keep out dust, minimizing upkeep and maximizing speed.
- • **Versatility Meets Precision:** Perfect fit for sliding doors, windows, gym cables, and DIY projects with exact 8x30x10mm specs.
- • **Built to Last, Built to Perform:** Durable nylon with steel core bearings resists wear and rust for heavy-duty reliability.
- • **Engineered for Effortless Glide:** Ultra-smooth, low-friction nylon rollers ensure whisper-quiet sliding every time.

## Overview

The Preamer 5PCS U-Groove Pulley Roller Wheels feature precision 8x30x10mm dimensions with deep groove ball bearings shielded on both sides for long-lasting, low-maintenance performance. Crafted from high-quality nylon and steel, these silent rollers support up to 200 lbs, making them ideal for sliding doors, windows, gym cable systems, and various DIY applications. Backed by a 3-year warranty, they deliver heavy-duty durability and whisper-quiet operation for professional-grade reliability.

## 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 | #127,523 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #718 in Deep-Groove Ball Bearings |
| Brand Name | Preamer |
| Compatible Lubricant | Grease |
| Customer Reviews | 4.4 4.4 out of 5 stars (152) |
| Item Dimensions | 1.18 x 1.18 x 0.39 inches |
| Item Thickness | 10 millimeters |
| Item Weight | 1.12 ounces |
| Manufacturer | Preamer |
| 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)

## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

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

---

*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-09-06*