---
product_id: 544454234
title: "Tonmp 20 PCS R8-2RS 1/2 inch Bore Double Rubber Sealed Roller Ball Bearing 1/2 x1-1/8 x5/16 Inch ABEC3 Precision Small Ball Bearing for Electric Motor, Wheels, Home Appliances, Garden Machinery"
brand: "tonmp"
price: "¥4716"
currency: JPY
in_stock: true
reviews_count: 9
category: "Tonmp"
url: https://www.desertcart.jp/products/544454234-tonmp-20-pcs-r8-2rs-1-2-inch-bore-double
store_origin: JP
region: Japan
---

# ABEC3 high-speed precision 1/2 inch precision bore Double rubber sealed shields Tonmp 20 PCS R8-2RS 1/2 inch Bore Double Rubber Sealed Roller Ball Bearing 1/2 x1-1/8 x5/16 Inch ABEC3 Precision Small Ball Bearing for Electric Motor, Wheels, Home Appliances, Garden Machinery

**Brand:** tonmp
**Price:** ¥4716
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your machinery game with precision that never quits!

## Quick Answers

- **What is this?** Tonmp 20 PCS R8-2RS 1/2 inch Bore Double Rubber Sealed Roller Ball Bearing 1/2 x1-1/8 x5/16 Inch ABEC3 Precision Small Ball Bearing for Electric Motor, Wheels, Home Appliances, Garden Machinery by tonmp
- **How much does it cost?** ¥4716 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/544454234-tonmp-20-pcs-r8-2rs-1-2-inch-bore-double)

## Best For

- tonmp enthusiasts

## Why This Product

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

## Key Features

- • **Sealed for Life:** Double rubber seals lock in lubricant and keep out contaminants—maintenance-free reliability
- • **Risk-Free Upgrade:** 30-day satisfaction guarantee means you can upgrade your gear with confidence
- • **Speed Meets Strength:** ABEC3 rating ensures smooth, high-speed rotation with superior load support
- • **Versatile Powerhouse:** Ideal for electric motors, garden machinery, wheels, and more—engineered for diverse applications
- • **Precision Perfect Fit:** Exact 1/2" bore x 1-1/8" OD for seamless integration in your projects

## Overview

This 20-piece set of R8-2RS ball bearings features a 1/2 inch bore and ABEC3 precision rating, designed for high-speed, durable performance. Double rubber seals protect internal components from dirt and moisture, ensuring long-lasting lubrication and maintenance-free operation. Perfectly suited for electric motors, garden tools, wheels, and various industrial applications, these bearings offer reliable, versatile performance backed by a 30-day satisfaction guarantee.

## Description

Bearings 1/2 inch Bore R8-2RS Double Rubber Sealed Roller Ball Bearing 1/2 x1-1/8 x5/16 Inch ABEC3 Precision Small Ball Bearing for Electric Motor, Wheels, Home Appliances, Garden Machinery

Review: SAE bearing - SAE bearing size as described-Glad I was able to get this size of bearings for a project-Seems like it will work for a light duty project-THANKS!!!
Review: Repaired my YardMax mower with these! - Solved a bad bearing issue with my Yardmax rear wheel drive lawn mower! Fit perfectly for the drive shaft bearings at the wheel gears.

## Features

- 1/2 inch Bore Bearing: 20 PCS R8-2RS bearing size 1/2" x 1-1/8"x 5/16" (12.7mm x 28.575mmx7.938mm)
- Deep groove geometry Bearing for high speeds and supporting both radial and axial loads
- Wide Range of Applications: Home Appliances, Garden Machinery, Outdoor Vehicles, Electric Toys & Tool ,Industrial Production and More.
- Double rubber sealed shields on both sides of the bearing to keep lubricant in and contaminants out, lubricated at manufacturer for no additional lubrication required
- Satisfaction Guarantee - 100% satification, To make sure our sincere customers have the best buying experience, we provide 30-day return/ replacement service.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C5M7S2ZL |
| Bearing Number | 20 |
| Bearing Type | Ball Bearing |
| Best Sellers Rank | #30,706 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #110 in Deep-Groove Ball Bearings |
| Brand | Tonmp |
| Compatible Lubricant | Grease |
| Date First Available | May 18, 2023 |
| Item Weight | 8 ounces |
| Item dimensions L x W x H | 3 x 2 x 0.5 inches |
| Manufacturer | Tonmp |
| Material | Rubber |
| Outside Diameter | 0.5 Inches |
| Product Dimensions | 3 x 2 x 0.5 inches |
| Specification Met | ABEC 3 |

## Product Details

- **Bearing Number:** 20
- **Brand:** Tonmp
- **Item Weight:** 8 ounces
- **Item dimensions L x W x H:** 3 x 2 x 0.5 inches
- **Material:** Rubber

## Images

![Tonmp 20 PCS R8-2RS 1/2 inch Bore Double Rubber Sealed Roller Ball Bearing 1/2 x1-1/8 x5/16 Inch ABEC3 Precision Small Ball Bearing for Electric Motor, Wheels, Home Appliances, Garden Machinery - Image 1](https://m.media-amazon.com/images/I/71dtwODqGgL.jpg)

## Available Options

This product comes in different **Number Of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ SAE bearing
*by A***R on November 16, 2025*

SAE bearing size as described-Glad I was able to get this size of bearings for a project-Seems like it will work for a light duty project-THANKS!!!

### ⭐⭐⭐⭐⭐ Repaired my YardMax mower with these!
*by C***M on February 22, 2026*

Solved a bad bearing issue with my Yardmax rear wheel drive lawn mower! Fit perfectly for the drive shaft bearings at the wheel gears.

### ⭐⭐⭐⭐⭐ Marvelous
*by L***O on October 10, 2025*

Spectacular

## Frequently Bought Together

- Tonmp 20 PCS R8-2RS 1/2 inch Bore Double Rubber Sealed Roller Ball Bearing 1/2 x1-1/8 x5/16 Inch ABEC3 Precision Small Ball Bearing for Electric Motor, Wheels, Home Appliances, Garden Machinery
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**Shop now:** [https://www.desertcart.jp/products/544454234-tonmp-20-pcs-r8-2rs-1-2-inch-bore-double](https://www.desertcart.jp/products/544454234-tonmp-20-pcs-r8-2rs-1-2-inch-bore-double)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-05-15*