NSK R系列滚轧滚珠丝杠 端盖式单法兰盘螺母 RNFCL型 NSK螺母 RNFCL1212A3 RNFCL2020A3 RNFCL3232A3 RNFCL5050A3 RNFCL2040A2 RNFCL2550A6 RNFCL1212A6 RNFCL2020A3S RNFCL3232A3S RNFCL5050A3S RNFCL2040A2S RNFCL2550A6S RNFCL1520A3 RNFCL2020A6 RNFCL3232A6 RNFCL5050A6 RNFCL2040A3 RNFCL3264A3 RNFCL1520A3S RNFCL2020A6S RNFCL3232A6S RNFCL5050A6S RNFCL2040A3S RNFCL3264A3S RNFCL1616A3 RNFCL2525A3 RNFCL4040A3 RNFCL1632A2 RNFCL2040A6 RNFCL3264A6 RNFCL1616A3S RNFCL2525A3S RNFCL4040A3S RNFCL1632A2S RNFCL2040A6S RNFCL3264A6S RNFCL1616A6 RNFCL2525A6 RNFCL4040A6 RNFCL1632A3 RNFCL2550A2 RNFCL4080A3 RNFCL1616A6S RNFCL2525A6S RNFCL4040A6S RNFCL1632A3S RNFCL2550A2S RNFCL4080A3S RNFCL1632A6 RNFCL2550A3 RNFCL4080A6 RNFCL1632A6S RNFCL2550A3S RNFCL4080A6S
