Stainless steel ball bearings manufacturers in Japan
If you are sourcing stainless steel ball bearings in Japan you will find large global OEMs, mid‑size Japanese bearing makers, and specialist stainless/steel‑ball manufacturers. Buyers should check whether a supplier actually manufactures bearings (not just distributes), what stainless grade and sealing they offer, and whether they supply the required tolerances and quantities.
13 verified manufacturers
- NSKJapan
“NSK was founded in 1916 and produced the first ball bearings made in Japan; listed in sources about Japanese bearing manufacturers and history.”
- JAF (Fujino Iron Works Co. Ltd.)Japan
““JAF (Fujino Iron Works Co. Ltd.) is a well-known Japanese manufacturer of chrome steel bearings, double row bearings, and other bearings products. stainless ...””
- WTWJapan
“WTW is a distinguished Japanese family owned ball bearing manufacturer ... WTW also manufactures a line of Stainless Steel ball bearings S200 series.”
- KSMJapan
“KSM's stainless steel bearings are particularly popular ...; product listings describe KSM SS635 ZZ Metric Series Stainless Steel Ball Bearing (Made in Japan).”
- SMT (Seiko Co., Ltd.)Japan
“Seiko Co., Ltd. is a well-known manufacturer of stainless steel ball bearings in Japan (SMT referenced as a manufacturer).”
- FBJJapan
““FBJ stainless steel bearings combine Japanese engineering expertise with state-of-the-art manufacturing technology. Single-row deep groove ball bearings.””
- Daiwa Steel Ball Co., Ltd.Japan
“Company specialized in Steel balls and bearing trading; listed on company site as dealing in steel balls and bearing products.”
- JTEKT CorporationJapan
“Listed among top suppliers of ball bearings in Japan including JTEKT Corporation in a compilation of Japanese bearing suppliers.”
- Kashima Bearings, Inc.Japan
“Listed among the top 10 suppliers of ball bearings in Japan including Kashima Bearings, Inc.”
- NMBJapan
“High quality stainless steel ball bearings from Japanese manufacturers (NMB, NSK) referenced in product/retailer listings.”
- KYK Corporation Ltd.Japan
“KYK Corporation Ltd. is one of the oldest Japanese Manufacturers of ball and roller bearings, established in 1952.”
- KoyoJapan
“Koyo bearings mentioned among notable Japanese bearing manufacturers for mid-sized manufacturers.”
- Nippon ThompsonJapan
“Listed among bearing companies in Japan and noted as a bearing manufacturer in aggregated lists.”
Compiled from public sources and refreshed periodically. Always verify certifications and capabilities directly with the manufacturer before ordering.
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What to specify in your RFQ
Manufacturers quote faster and more accurately when your request covers these points.
- Bearing type / series
Specify single‑row vs double‑row, deep‑groove, angular contact, or other bearing type and the exact series if known.
- Dimensions and tolerances
Provide bore (ID), outer diameter (OD), width, and required runout/precision class (e.g. ABEC/JIS grades).
- Material / stainless grade
State required material (e.g. 440C stainless, 304/316 stainless) and whether balls, rings, and cages must be stainless.
- Seals / shields and lubrication
Indicate sealed vs open, contact vs non‑contact seals, and if pre‑lubricated or dry is required.
- Quantity and lot profile
Give annual volume, order quantities, and expected batch/lot sizes to determine MOQ and pricing.
- Operating environment and performance
Specify temperature range, corrosion exposure, rotational speed (RPM), load ratings and expected service life.
- Standards and certifications
List required standards (JIS, ISO, RoHS, REACH) or customer quality systems (e.g. ISO 9001) needed for sourcing.