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NJ220类型：圆柱滚子轴承
NJ2214R类型：圆柱滚子轴承
NJ226R类型：圆柱滚子轴承
NJ221R类型：圆柱滚子轴承
NJ228R类型：圆柱滚子轴承
NJ221类型：圆柱滚子轴承
NJ232R类型：圆柱滚子轴承
NJ226类型：圆柱滚子轴承
NJ222R类型：圆柱滚子轴承
NJ234类型：圆柱滚子轴承
NJ228类型：圆柱滚子轴承
NJ224R类型：圆柱滚子轴承
NJ236R类型：圆柱滚子轴承
NJ230R类型：圆柱滚子轴承
NJ236类型：圆柱滚子轴承
NJ252类型：圆柱滚子轴承
