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SFA型精密锁紧螺母尺寸参数表 替换KMT

精密锁紧螺母

简述

SFA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。SFA型精密锁紧螺母锁定方式为螺纹30°角,三点锁定,沿着圆周加工四个槽,并加工有两个位置正对的平面,可以使用一般的扳手将其夹紧。这种设计主要为满足高精度、安装简单和稳固的锁定等要求。

可免除锁定垫片与键槽之需要。

组装程序正确可重复使用。

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:YSFT YN KSN KMT

温馨提醒:M80以上规格无平行切面!

参数

精密锁紧螺母

零件型号D
(mm)
h
(mm)
d
(mm)
d1
(mm)
d2
(mm)
g
(mm)
t
(mm)
B
(mm)
M螺钉扭紧力矩
(N.m)
最大轴向载荷
(kN)
重量
(kg)
SFA-M10×0.75P28142311214224M54.5350.045
SFA-M12×1.0P30142513234227M54.5400.05
SFA-M15×1.0P33162816264230M54.5600.075
SFA-M17×1.0P37183318295234M68750.1
SFA-M20×1.0P40183521325236M68900.11
SFA-M25×1.5P44203926365241M681300.13
SFA-M30×1.5P49204432415246M681600.16
SFA-M35×1.5P54224938465250M681900.19
SFA-M40×1.5P652259425662.560M682100.304
SFA-M45×1.5P702264486162.565M682400.33
SFA-M50×1.5P75256852658370M683000.407
SFA-M55×2.0P85257858748380M8183400.543
SFA-M60×2.0P902682627883.585M8183800.61
SFA-M65×2.0P952887688383.590M8184600.712
SFA-M70×2.0P1002892728883.595M8184900.75
SFA-M75×2.0P1052897779383.5100M8185200.706
SFA-M80×2.0P11032100839883.5100M8186200.9
SFA-M85×2.0P1203211088107104-M10356501.15
SFA-M90×2.0P1253211593112104-M10356801.2
SFA-M95×2.0P1303212098117104-M10357101.25
SFA-M100×2.0P13532125103122104-M10357401.3
SFA-M110×2.0P14532134112132104-M10358001.45
SFA-M120×2.0P15532144122142104-M10358601.613
SFA-M130×2.0P16532154132152125-M10359201.7
SFA-M140×2.0P17532164142162146-M10359801.805
SFA-M150×2.0P18532174152172146-M103510401.95
SFA-M160×3.0P19532184162182146-M103511002.113
SFA-M170×3.0P20532194172192146-M103511602.2
SFA-M180×3.0P21532204182202167-M103512202.3
SFA-M190×3.0P22532214192212167-M103512802.4
SFA-M200×3.0P23532224202222188-M103513402.51
SFA-Tr220×4.0P26536254222256.52010-M103516004.6
SFA-Tr240×4.0P290382792422812010-M126018505.4
SFA-Tr250×4.0P300382892522912010-M126020006.2
SFA-Tr260×4.0P31038299262301.52010-M126021506.4
SFA-Tr280×4.0P330403192823202412-M126028007.2
SFA-Tr300×4.0P360423493023502412-M126031009.1
SFA-Tr320×5.0P39045379322379.52412-M1260340012.7
SFA-Tr340×5.0P41048399342399.52412-M1260375015.4
SFA-Tr360×5.0P43050419362419.52813-M1260405017
SFA-Tr380×5.0P460554493824482813-M1260435020
SFA-Tr400×5.0P480604694024683214-M1260470024.8
SFA-Tr420×5.0P500654894224883214-M1260500028.3

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