# NSK Ltd.: robotics company

Canonical ID: `eb3e6c36-1597-4c95-b70f-c44bd6b8c454`

## Key facts

- **Headquarters:** Tokyo, Japan
- **Founded:** 1916
- **Status:** private
- **Type:** hardware
- **CEO:** [Akitoshi Ichii](/people/akitoshi-ichii.md) (President & CEO since April 2021)
- **Stock:** [TSE:6471 (Nikkei 225 component)](/public-companies.md) ([see public companies](/public-companies.md))
- **Revenue:** ~¥971.5B (~$6.5B USD)
- **Global Rank:** Japan's largest bearing manufacturer, #3 globally
- **Key Products:** Ball bearings, roller bearings, linear guides, ball screws, Megatorque direct drive motors, EPS
- **Robotics Business:** Robotics Business Department established March 2026
- **Delta Electronics MOU:** Next-gen robot actuators for [humanoid](/humanoids)/cobot joints (May 2026)

- **Slug:** nsk-ltd
- **Status:** private
- **Founded:** 1916
- **HQ:** Tokyo, Japan

## Models

_No models registered._

## Current leadership (1)

- [Akitoshi Ichii](/people/akitoshi-ichii.md) President and CEO (secondary-verified)

## Partnerships (1)

- [Delta Electronics x NSK (Humanoid Robot Actuators)](/partnerships/delta-electronics-x-nsk-humanoid-robot-actuators.md) with Delta Electronics _development_ (announced) (_reported, not operationally verified_)

## Supplies to

_No verified supply relationships on file. Supply-chain coverage is being added across the registry; check back as the seed populates this company's outbound edges._

_Outbound supply edges. Each appears when verified with at least two strong sources. Sources are append-only; corrections add new sources rather than rewrite history._

## Common questions

### What is NSK Ltd.?

Precision bearings and mechatronics products enabling low-friction robotic joint operation.. Headquarters: Tokyo, Japan. Founded: 1916. Status: private. Type: hardware.

### What does NSK Ltd. make?

NSK Ltd. has no robot models recorded on the DEPLOY registry. NSK Ltd. builds physical robots.

### Is NSK Ltd. publicly traded?

No. NSK Ltd. is privately held and not publicly traded, per the DEPLOY registry.

### How can I invest in NSK Ltd.?

NSK Ltd. is a private company; its shares are not available on public markets, so retail investors cannot buy the stock today.

### Where is NSK Ltd. headquartered?

NSK Ltd. is headquartered in Tokyo, Japan.

### Who owns NSK Ltd.?

NSK Ltd. is privately held; ownership sits with its founders and private investors.

### Is NSK Ltd. a top robotics company?

On DEPLOY's intelligence score, which blends verified deployments, funding, hiring, media, safety, and IP signals, NSK Ltd. ranks in roughly the top 54% of companies tracked by the registry.


## Sources (1)

1. https://www.nsk.com

## The verified answers

- [Which companies have the most robots deployed](/which-companies-have-the-most-robots-deployed.md)
- [Which operators run the most robots](/which-operators-run-the-most-robots.md)
- [Which robot operators cover the most countries](/which-robot-operators-cover-the-most-countries.md)

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