---
product_id: 381294803
title: "Tanstic 330Pcs 16 Size Metric Precision Steel Bearing Steel Ball Assortment 1mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm 5.5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm"
brand: "tanstic"
price: "123 Lei"
currency: RON
in_stock: true
reviews_count: 13
category: "Tanstic"
url: https://www.desertcart.ro/products/381294803-tanstic-330pcs-16-size-metric-precision-steel-bearing-steel-ball
store_origin: RO
region: Romania
---

# 16 metric sizes 1-12mm 330 precision steel balls high-hardness anti-rust steel Tanstic 330Pcs 16 Size Metric Precision Steel Bearing Steel Ball Assortment 1mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm 5.5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm

**Brand:** tanstic
**Price:** 123 Lei
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Tanstic 330Pcs 16 Size Metric Precision Steel Bearing Steel Ball Assortment 1mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm 5.5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm by tanstic
- **How much does it cost?** 123 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/381294803-tanstic-330pcs-16-size-metric-precision-steel-bearing-steel-ball)

## Best For

- tanstic enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Size Range:** 16 meticulously measured sizes from 1mm to 12mm cover all your bearing replacement and DIY needs with ease.
- • **Durability That Lasts:** Crafted from anti-rust, high-hardness alloy steel to withstand humid environments and extend equipment lifespan.
- • **Precision in Every Spin:** 330 high-quality steel balls ensure ultra-smooth rotation and reduced friction for your machinery and projects.
- • **Multi-Industry Essential:** Perfect for bicycles, automotive parts, appliances, and even precision photographic equipment—be the pro with the right tools.
- • **Organized & Ready to Use:** Comes in a sleek storage box to keep your assortment mess-free and instantly accessible—no more lost parts.

## Overview

The Tanstic 330Pcs Steel Bearing Ball Assortment offers 16 metric sizes ranging from 1mm to 12mm, made from high-hardness, anti-rust alloy steel. Designed for precision and durability, this set reduces friction in bearings, extends machine life, and is ideal for applications from bicycles to industrial equipment. Packaged in a convenient storage box, it’s the ultimate toolkit upgrade for professionals and hobbyists alike.

## Description

Tanstic 330Pcs 16 Size Metric Precision Steel Bearing Steel Ball Assortment 1mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm 5.5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm: desertcart.com: Industrial & Scientific

Review: Excellent bearing set - Works as advertised with plenty of options to choose from. I use it to replace the bearing on my honey extractor. So far, after a year, no rust and works as advertised. Great value for the money.
Review: Great for fidget replacements - Fantastic set with a great storage case. Great assortment for fidgets that need replacement pieces. Would buy again.

## Features

- ✅ [Material]: Made of high quality steel, which is hard, anti-rust and durable. High-hardness and high-precision. Smooth surface give you comfortable touch.
- ✅ [Most Popular Size]: 16 different size for you to choose: 1mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, total 330pcs. All bearing balls are packed in a storage box avoiding mess and loss. The sixteen-size assembly can meet most of your bearing needs in life.
- ✅ [Product Function]: These bearing balls are installed between the inner ring and the outer ring to reduce friction when the bearing rotates. It can strength the protection to machine and extend the service life.
- ✅ [Applications]: It can be used in humid environments. Suitable for auto parts, bicycles, valves, refrigerators, air conditioners, bearings, photographic equipment, drawer slides and many other applications.
- ✅ [After-Sales Service]: Any questions or dissatisfaction about our products, free come to us for help. We will deal with the problem for you in time.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09C1J2JPS |
| Bearing Number | T123 |
| Bearing Type | Ball Bearing |
| Best Sellers Rank | #32,884 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #14 in Precision Balls |
| Brand | Tanstic |
| Compatible Lubricant | Grease |
| Date First Available | August 6, 2021 |
| Item Thickness | 4 Millimeters |
| Item Weight | 10.2 ounces |
| Item dimensions L x W x H | 0.47 x 0.47 x 0.47 inches |
| Manufacturer | Tanstic |
| Material | Alloy Steel |
| Outside Diameter | 12 Millimeters |
| Product Dimensions | 0.47 x 0.47 x 0.47 inches |

## Product Details

- **Bearing Number:** T123
- **Brand:** Tanstic
- **Item Weight:** 290 Grams
- **Item dimensions L x W x H:** 0.47 x 0.47 x 0.47 inches
- **Material:** Alloy Steel

## Images

![Tanstic 330Pcs 16 Size Metric Precision Steel Bearing Steel Ball Assortment 1mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm 5.5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm - Image 1](https://m.media-amazon.com/images/I/71hKnn-t2rL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent bearing set
*by J***S on June 17, 2025*

Works as advertised with plenty of options to choose from. I use it to replace the bearing on my honey extractor. So far, after a year, no rust and works as advertised. Great value for the money.

### ⭐⭐⭐⭐⭐ Great for fidget replacements
*by M***R on January 30, 2026*

Fantastic set with a great storage case. Great assortment for fidgets that need replacement pieces. Would buy again.

### ⭐⭐⭐⭐⭐ Good product. Wide assortment
*by A***R on May 30, 2025*

Meets all needs

## Frequently Bought Together

- Tanstic 330Pcs 16 Size Metric Precision Steel Bearing Steel Ball Assortment 1mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm 5.5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm
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- weideer 490pcs 8 Sizes Bicycle Bearing Balls Metal Mixing Balls Assortment Kit 1/2" 3/8" 1/4" 7/32" 3/16" 5/32" 1/8" 3/32" Precision Steel Balls

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**Shop now:** [https://www.desertcart.ro/products/381294803-tanstic-330pcs-16-size-metric-precision-steel-bearing-steel-ball](https://www.desertcart.ro/products/381294803-tanstic-330pcs-16-size-metric-precision-steel-bearing-steel-ball)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-16*