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NJ2220类型：圆柱滚子轴承
NJ2217类型：圆柱滚子轴承
NJ2224R类型：圆柱滚子轴承
NJ2218R类型：圆柱滚子轴承
NJ2228类型：圆柱滚子轴承
NJ2222R类型：圆柱滚子轴承
NJ2219R类型：圆柱滚子轴承
NJ2230R类型：圆柱滚子轴承
NJ2222类型：圆柱滚子轴承
NJ2219类型：圆柱滚子轴承
NJ2230类型：圆柱滚子轴承
NJ2224类型：圆柱滚子轴承
NJ2232R类型：圆柱滚子轴承
NJ2238类型：圆柱滚子轴承
NJ2226R类型：圆柱滚子轴承
NJ2232类型：圆柱滚子轴承
