---
description: Genuine ETA 2824/2834/2836-1497 ball bearing for ETA 2824 family. Swiss-made automatic rotor bearing for movement repair.
title: ETA 2824/2834/2836-1497 Ball Bearing - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/06/28bb.jpg
---
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- **ETA 2824/2834/2836-1497 Ball Bearing**
[](https://www.soflypart.com/wp-content/uploads/2019/06/28bb.jpg)
[](https://www.soflypart.com/wp-content/uploads/2019/06/28bbb.jpg)
# ETA 2824/2834/2836-1497 Ball Bearing
$10.00
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| Brand | Choose an option ETA- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $10.00 |
| 3 - 4 | 5% | $9.50 |
| 5 - 9 | 7% | $9.30 |
| 10 - 14 | 10% | $9.00 |
| 15+ | 15% | $8.50 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $10.00 |
| 3 - 4 | 5% | $9.50 |
| 5 - 9 | 7% | $9.30 |
| 10 - 14 | 10% | $9.00 |
| 15+ | 15% | $8.50 |
ETA 2824/2834/2836-1497 Ball Bearing quantity
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## Product Description
The **ETA 2824/2834/2836-1497 Ball Bearing** is a genuine Swiss-made component for the ETA 2824, 2834, and 2836 automatic movement family. As an integral part of the automatic winding system, the ball bearing supports the rotor, enabling smooth, low-friction rotation and efficient bi-directional self-winding. This brand new original part is essential for watchmakers restoring proper automatic winding function when the original rotor bearing becomes worn, noisy, or damaged.
## Features & Function
- **Genuine ETA part** – authentic Swiss-made component for ETA 2824/2834/2836 calibers
- **Rotor support system** – ball bearing design ensures smooth, low-friction rotor rotation
- **Bi-directional winding** – enables efficient automatic winding regardless of rotor direction
- **Critical for winding efficiency** – worn bearings are a common cause of automatic winding issues
- **Direct replacement** – drop-in replacement for worn or damaged rotor bearings
## Specifications
- **Part Number**: 2824/2834/2836-1497 / 1497
- **Article Number**: 31-2
- **Compatible Movements**: ETA 2824-2, 2834-2, 2836-2
- **Movement Diameter**: 25.6 mm (11½”’)
- **Movement Height**: 4.60 mm – 2824-2
- **Jewels**: 25
- **Frequency**: 28,800 vph (4 Hz)
- **Power Reserve**: \~38 hours
- **Origin**: Switzerland (ETA factory part)
- **Condition**: Brand new
## Applications
- **Service and overhaul** of ETA 2824/2834/2836 family movements
- **Automatic winding repair** – replacing worn, noisy, or seized rotor bearings
- **Rotor restoration** – ensuring smooth and efficient self-winding performance
- Suitable for **professional watchmakers** and **experienced repair technicians**
## FAQs
**1. Is this a genuine ETA part?**
Yes, this is a **genuine ETA factory part** (reference 2824/2834/2836-1497), made in Switzerland. The ETA 2824-2 is widely regarded as one of the most robust and reliable mechanical calibers in production.
**2. Which movements is this ball bearing compatible with?**
This ball bearing is compatible with **ETA 2824-2, 2834-2, and 2836-2** movements. The 2824-2 is a 25.6 mm date-only movement introduced in 1982, while the 2834-2 and 2836-2 are its day-date variants.
**3. What is the function of the ball bearing in the ETA 2824 movement?**
The ball bearing supports the automatic rotor, allowing it to rotate with minimal friction. The ETA 2824 family features a **ball-bearing rotor** with bi-directional winding, efficiently winding the mainspring regardless of rotor direction.
## Why Choose SOFLY Watch Parts?
- Fast worldwide shipping within 3 business days.
- Competitive pricing on Seiko/Hattori calibers.
- 3,000+ watch movements and parts in stock.
- Trusted by watchmakers worldwide.
- Personalized sourcing support via **info@soflypart.com** or WhatsApp **+86 18620212114**.
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As an integral part of the automatic winding system, the ball bearing supports the rotor, enabling smooth, low-friction rotation and efficient bi-directional self-winding. This brand new original part is essential for watchmakers restoring proper automatic winding function when the original rotor bearing becomes worn, noisy, or damaged. Features & Function Genuine ETA part\u00a0\u2013 authentic Swiss-made component for ETA 2824/2834/2836 calibers Rotor support system\u00a0\u2013 ball bearing design ensures smooth, low-friction rotor rotation Bi-directional winding\u00a0\u2013 enables efficient automatic winding regardless of rotor direction Critical for winding efficiency\u00a0\u2013 worn bearings are a common cause of automatic winding issues Direct replacement\u00a0\u2013 drop-in replacement for worn or damaged rotor bearings Specifications Part Number: 2824/2834/2836-1497 / 1497 Article Number: 31-2 Compatible Movements: ETA 2824-2, 2834-2, 2836-2 Movement Diameter: 25.6 mm (11\u00bd''') Movement Height: 4.60 mm \u2013 2824-2 Jewels: 25 Frequency: 28,800 vph (4 Hz) Power Reserve: ~38 hours Origin: Switzerland (ETA factory part) Condition: Brand new Applications Service and overhaul\u00a0of ETA 2824/2834/2836 family movements Automatic winding repair\u00a0\u2013 replacing worn, noisy, or seized rotor bearings Rotor restoration\u00a0\u2013 ensuring smooth and efficient self-winding performance Suitable for\u00a0professional watchmakers\u00a0and\u00a0experienced repair technicians FAQs 1. Is this a genuine ETA part? Yes, this is a\u00a0genuine ETA factory part\u00a0(reference 2824/2834/2836-1497), made in Switzerland. The ETA 2824-2 is widely regarded as one of the most robust and reliable mechanical calibers in production. 2. Which movements is this ball bearing compatible with? This ball bearing is compatible with\u00a0ETA 2824-2, 2834-2, and 2836-2\u00a0movements. The 2824-2 is a 25.6 mm date-only movement introduced in 1982, while the 2834-2 and 2836-2 are its day-date variants. 3. What is the function of the ball bearing in the ETA 2824 movement? The ball bearing supports the automatic rotor, allowing it to rotate with minimal friction. The ETA 2824 family features a\u00a0ball-bearing rotor\u00a0with bi-directional winding, efficiently winding the mainspring regardless of rotor direction. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2019/06/28bb-150x150.jpg","offers":{"@type":"Offer","description":"Product Description The\u00a0ETA 2824/2834/2836-1497 Ball Bearing\u00a0is a genuine Swiss-made component for the ETA 2824, 2834, and 2836 automatic movement family. As an integral part of the automatic winding system, the ball bearing supports the rotor, enabling smooth, low-friction rotation and efficient bi-directional self-winding. This brand new original part is essential for watchmakers restoring proper automatic winding function when the original rotor bearing becomes worn, noisy, or damaged. Features & Function Genuine ETA part\u00a0\u2013 authentic Swiss-made component for ETA 2824/2834/2836 calibers Rotor support system\u00a0\u2013 ball bearing design ensures smooth, low-friction rotor rotation Bi-directional winding\u00a0\u2013 enables efficient automatic winding regardless of rotor direction Critical for winding efficiency\u00a0\u2013 worn bearings are a common cause of automatic winding issues Direct replacement\u00a0\u2013 drop-in replacement for worn or damaged rotor bearings Specifications Part Number: 2824/2834/2836-1497 / 1497 Article Number: 31-2 Compatible Movements: ETA 2824-2, 2834-2, 2836-2 Movement Diameter: 25.6 mm (11\u00bd''') Movement Height: 4.60 mm \u2013 2824-2 Jewels: 25 Frequency: 28,800 vph (4 Hz) Power Reserve: ~38 hours Origin: Switzerland (ETA factory part) Condition: Brand new Applications Service and overhaul\u00a0of ETA 2824/2834/2836 family movements Automatic winding repair\u00a0\u2013 replacing worn, noisy, or seized rotor bearings Rotor restoration\u00a0\u2013 ensuring smooth and efficient self-winding performance Suitable for\u00a0professional watchmakers\u00a0and\u00a0experienced repair technicians FAQs 1. Is this a genuine ETA part? Yes, this is a\u00a0genuine ETA factory part\u00a0(reference 2824/2834/2836-1497), made in Switzerland. The ETA 2824-2 is widely regarded as one of the most robust and reliable mechanical calibers in production. 2. Which movements is this ball bearing compatible with? This ball bearing is compatible with\u00a0ETA 2824-2, 2834-2, and 2836-2\u00a0movements. The 2824-2 is a 25.6 mm date-only movement introduced in 1982, while the 2834-2 and 2836-2 are its day-date variants. 3. What is the function of the ball bearing in the ETA 2824 movement? The ball bearing supports the automatic rotor, allowing it to rotate with minimal friction. The ETA 2824 family features a\u00a0ball-bearing rotor\u00a0with bi-directional winding, efficiently winding the mainspring regardless of rotor direction. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. 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