How to calculate the diameter of Win – Kyo bearings

  • For bearings with two ending digits from 04 or higher, multiply the last two digits by 5. Example: Bearing 6204 → inner diameter = 04 × 5 = 20 (mm)
  • For bearings with ending digits less than 04, the inner diameter is as follows: 00 = 10 (mm), 01 = 12 (mm), 02 = 15 (mm), 03 = 17 (mm)

Specification Table of Common Bearings – Win & Kyo (Ball Bearings)

Click here to download the full specifications table for bearings.

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