推力滚子轴承的说明
推力滚子轴承用于承受轴向载荷为主的轴，经向联合载荷，但经向载荷不得超过轴向载荷的55%。与其它推力滚子轴承相比，此种轴承摩擦因数较低，转速较高，并具有调心能力。29000型轴承的滚子为非对称型球面滚子，能减小棍子和滚道在工作中的相对滑动，并且滚子长、直径大，滚子数量多载荷容量大，通常采用油润滑，个别低速情况可用脂润滑。
主要用途：水力发电机,、起重机吊钩。
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