FIELD: mechanical engineering; vehicle transmissions. SUBSTANCE: propeller shaft joint has cross with needle bearing installed on each trunnion of cross. Cross, outer race and needle rollers of needle bearing are made from structural carbon steel of reduced hardenability. Carbon content in structural steel chosen for making cross and outer race is the same, and carbon content in structural steel chosen making needle rollers is 1.21 - 1.33 of carbon content in structural steel used for making cross and outer race. EFFECT: increased longevity, reliability and contact strength, reduced cost. 5 cl, 1 dwg
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Authors
Dates
2001-12-10—Published
2001-04-12—Filed