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B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
B61F15/00—Axle-boxes
B61F15/12—Axle-boxes with roller, needle, or ball bearings
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Mechanical Engineering
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Rolling Contact Bearings
(AREA)
FR672871D1929-04-091929-04-09Cage à rouleaux pour essieux de wagonnets de transport
ExpiredFR672871A
(fr)