KSK is a Japanese bearing brand, officially known as Nakai Bearing Co., Ltd. It was founded in 1955 in Osaka, Japan. KSK bearings are well-known in the industry for their "blue seal." They are primarily used in electric motors, automobiles, and other specialized applications. The main product lines of KSK bearings include metric and inch miniature ball bearings, deep groove ball bearings, thin-section ball bearings, and stainless steel metric and inch ball bearings. In terms of customization for customers, KSK can produce bearings in various materials and provide multiple sealing options, including non-contact seals. The outer diameter of the bearings can be designed with bearing retainers and grooves according to specific requirements.
Feature & Application
- Currently produce for a major Japanese bearing manufacturer
- Production facility is located near Osaka, Japan
- Focus on Electric Motor bearings, Automotive bearings, & Special bearings
- Can manufacture product in a variety of materials including SUJ2, SUS440C, SUS420J2, and QD51
- Offer inch series bearings, with some metric options
- A variety of sealing options are available including non-contact seals
- OD modifications such as bearing snap rings and grooves are available
Product Portfolio
- Miniature ball bearings (chrome & stainless steel)
- 61800, 61900 (Thin Radial Ball bearings)
- 16000 (narrow width)
- 6200, 6200ZZ, 6200DD
- 6300, 6300ZZ, 6300DD
- 62000-63300 (euro)
- W6200 (domestic width)
- 8000-88000, WC8000-WC88000 (ND type)
- R series (inch)
- S61800, S61900 (Thin Radial Ball bearing stainless steel)
- S6000, S6200, S6300 (stainless steel)
- SR (stainless steel inch series)
