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SFB型精密锁紧螺母尺寸参数表 替换KMTA

精密锁紧螺母

简述

SFB型精密锁紧螺母常用于机械主轴,齿轮,滑轮和滚珠螺杆支撑轴承的锁紧。SFB型锁紧螺母的锁定方式与SFA型一样,差別在于其外径和背面设计有扳手孔,方便不同空间组装之需求。

可免除锁定垫片与键槽之需要。

组装程序正确可以进行多次安装和拆卸(如未损坏)。

特征

  • 本体材质:SCM440(42CrMo4)调质
  • 标准硬度:HRC28°~32°
  • 螺纹精度:ISO 4H
  • 平面偏摆:0.002mm~0.005mm
  • 表面处理:喷砂发黑

※ 本产品可替换进口型号:YSFTA  KMTA  SWLN

参数

精密锁紧螺母

零件型号D
(mm)
h
(mm)
d
(mm)
d1
(mm)
d2
(mm)
L
(mm)
N1
(mm)
N2
(mm)
M螺钉扭紧力矩
(N.m)
最大轴向载荷
(kN)
重量
(kg)
SFB-M20×1.0P3818302129104.34M681100.15
SFB-M25×1.5P4220352632.5114.34M681300.13
SFB-M30×1.5P4820403240.5114.35M681600.16
SFB-M35×1.5P5322473845.5114.35M681900.193
SFB-M40×1.5P5822524250.5124.35M682100.235
SFB-M45×1.5P6822584858124.36M682400.33
SFB-M50×1.5P7024635261.5134.36M683300.34
SFB-M55×1.5P7524705866.5134.36M683400.345
SFB-M60×1.5P8424756274.5135.36M683800.49
SFB-M65×1.5P8825806878.5135.36M8184600.52
SFB-M70×1.5P9526867285145.38M8184900.62
SFB-M75×1.5P10026917785146.48M8185200.66
SFB-M80×2.0P11030978395166.48M8186201.05
SFB-M85×2.0P1153210288100176.48M10356501.15
SFB-M90×2.0P1203211093108176.48M10356801.2
SFB-M95×2.0P1253211498113176.48M10357101.25
SFB-M100×2.0P13032120103118176.48M10357401.312
SFB-M110×2.0P14032132112128176.48M10358001.45
SFB-M120×2.0P15532142122140176.48M10358601.85
SFB-M130×3.0P16532156132153176.48M10359202.04
SFB-M140×3.0P18032166142165176.410M10359802.45
SFB-M150×3.0P19032180152175176.410M103510402.6
SFB-M160×3.0P20532190162185178.410M103511003.15
SFB-M170×3.0P21532205172195178.410M103511603.3
SFB-M180×3.0P23032215182210178.410M103512203.9
SFB-M190×3.0P24032225192224178.410M103512804.1
SFB-M200×3.0P24532237202229178.410M103513403.85

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