... -rolling-spheroidizing, hot-rolling softening annealingbearing inner and outer race, rolling elementBeiman d13~180hot-rolling, hot-rolling ... FushunForged Bard135~200forge, forge softening annealingbearing inner and outer race, rollerDalian Jinniu d80~700 Fushun d60~1400 ... +annealingrolling element(ball bearing, roller bearing, needle roller), micro bearing inner and outer raceBeiman d12~19 Dalian Jinniu ...