High-speed, high-precision spindle motor

Seiko's high-speed, high-precision spindle motor supporting precision machining technology.

last updated Dec 10, 2024

[High Rigidity × High Power × High Precision] High-Frequency Spindle *Energy-Saving Product

Compared to conventional machines, air consumption is reduced, and lubricant consumption is 1/6! The SSPG series shapes your needs.

last updated Dec 10, 2024

Energy-saving × Space-saving High-Frequency Spindle

High precision with P2 grade bearings! Equipped with SII internal grinding machine, it has a wealth of proven results.

last updated Dec 10, 2024

The spindle motor is a rotating drive device with a simple structure.

You can choose products tailored to your needs! We offer a variety of lineups.

last updated Dec 10, 2024

Performance required for spindle motors

There is a demand for versatility that can be applied to various equipment and high environmental performance!

last updated Dec 10, 2024

Features of Seiko Instruments' high-precision high-frequency spindle.

Adopted for internal grinding machines! Achieving improved development speed and product reliability.

last updated Dec 10, 2024

Spindle Motor "SSPG Series" [Compatible with Ultra-Precision Machining]

The spindle motor "SSPG Series," developed to meet the needs of ultra-precision machining, pursues the highest level of accuracy and versatility!

last updated Dec 10, 2024

[Processing Example] Magnet General-purpose Grinding Machine CNC Internal Grinding Machine STG-3N

Shortening Cycle Time! Introducing Examples of Processing Neodymium Magnets

last updated Dec 10, 2024

[Processing Example] Alumina General-purpose Grinding Machine CNC Internal Grinding Machine STG-3N

Introduction of a machining case where processing time was reduced by 50% and cylindricity was improved.

last updated Dec 10, 2024

[Processing Example] Die General-purpose Grinding Machine CNC Internal Grinding Machine STG-6N

Achieving roundness of 0.8μm or less! Here are examples of cases where we proposed our spindles.

last updated Dec 10, 2024

What is a spindle motor? An explanation of the required performance and characteristics! *Materials are currently being distributed.

Contributing to the reduction of environmental impact: Achieving high output, high rigidity, high precision, and noise reduction! Introducing our company's initiatives on spindle motors from the basics.

last updated Aug 01, 2025