滾柱軸承的組裝內部組件,由框架或外殼組成,用於間隔和保持軸承的滾動元件、滾柱(經修改)以及軸承中的滾動元件滾柱(經修改)。
17.0 millimeters nominal bore diameter, pressed retainer fabrication method, steel overall material, 21.0 millimeters nominal outside diameter, 12.2 millimeters minimum and 12.8 millimeters maximum overall width