>> P.188
车削型滚针轴承(1)rasmax1.51.51.51.52222222222.52.5主要尺寸mm(inch)相关安装尺寸mmFwDC50.800(2)50.800(2)57.150(21/4)57.150(21/4)63.500(21/2)63.500(21/2)69.850(23/4)69.850(23/4)76.200(3)76.200(3)82.550(31/4)82.550(31/4)65.088(29/16)65.088(29/16)76.200(3)76.200(3)82.550(31/4)82.550(31/4)88.900(31/2)88.900(31/2)95.250(33/4)95.250(33/4)107.950(41/4)107.950(41/4)Da最大57.857.8696974.374.380.780.7878799.799.7106.125.400(1)31.750(11/4)38.100(11/2)44.450(13/4)38.100(11/2)44.450(13/4)38.100(11/2)44.450(13/4)38.100(11/2)44.450(13/4)44.450(13/4)50.800(2)50.800(2)英制系列、无内圈轴径50.800-101.600mm公称型号BR324116BR324120BR364824BR364828BR405224BR405228BR445624BR445628BR486024BR486028BR526828BR526832质量(参考)g1902404355104755555106005556509901140轴径mm(inch)50.800(2)57.150(21/4)63.500(21/2)69.850(23/4)76.200(3)82.550(31/4)88.900(31/2)95.250(33/4)101.600(4)BR567232122088.900(31/2)114.300(41/2)BR607632129095.250(33/4)120.650(43/4)50.800(2)111.4BR6480321370101.600(4)127.000(5)50.800(2)117.8注(1)这是轴承座的拐角圆弧的最大容许半径。(2)容许转速适用于润滑油润滑。润滑脂润滑的话可容许到该值的60%。备注1.内接圆直径Fw为69.850mm以下的轴承外圈上设有油槽和1个油孔。其他的在外圈上设有油槽并设2个油孔。2.未封入润滑脂。请适当润滑后使用。188
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