Review on 💨 High-Speed Rotational NSK Non-Contact Clearance at 17000 RPM by Klassic Duncan

I replaced the bearings on a brand new Polaris PB4-60 pump motor before putting it into service. This is a Century brand pump made in China. I thought the OEM bearings were cheap Chinese ones prone to early failure and they were Japanese. However, there was no indication of the country of manufacture either on these bearings or on the packaging. What surprised me was that the new bearings I removed from the new motor were NSK branded and China stamped. So, apparently, NSK bearings cannot be considered non-Chinese at all! I hope I didn't waste my time substituting Chinese for Chinese.