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SRZ Precision Locknut - Radial Locking
 

The series locknut is designed for special area in where space is limited.

The locknut setscrews intersect at a 90° angle which drives the locking brass to stick perfectly on the shaft’s thread flank.
  • No thrust washer or keyway needed.

  • Easy to assemble and disassemble.

  • Can be re-used if handled properly.

Material:JIS SCM440/DIN42CrMo4/AISI 4140
‧Hardness:HRC 28-32
‧Precision:ISO 4H
‧The maximum runout between locating face and thread is 0.005 mm






NIKKI Product Spec:

TYPE & Pitch Dimensions Screw Screw Torque
h g t d DIN MAX kg-cm
SRZ8X0.75P 16 8 3 2 11 M4 22
SRZ10X0.75P 18 13
SRZ12X1.0P 22 18
SRZ15X1.0P 25 21
SRZ17X1.0P 28 10 4 23 M5 48
SRZ20X1.0P 32 27
SRZ20X1.5P
SRZ25X1.5P 38 12 5 33 M6 80
SRZ30X1.5P 45 40
SRZ35X1.5P 52 47
SRZ40X1.5P 58 14 6 2.5 52
SRZ45X1.5P 65 59
SRZ50X1.5P 70 64
SRZ55X2.0P 75 16 7 3 68
SRZ60X2.0P 80 73
SRZ65X2.0P 85 78
SRZ70X2.0P 92 18 8 3.5 85 M8 190
SRZ75X2.0P 98 90
SRZ80X2.0P 105 95
SRZ85X2.0P 110 102
SRZ90X2.0P 120 20 10 4 108
SRZ95X2.0P 125 113
SRZ100X2.0P 130 120
SRZ105X2.0P 140 22 12 5 126 M10 360
SRZ110X2.0P 145 133
SRZ115X2.0P 150 137
SRZ120X2.0P 155 24 138
SRZ125X2.0P 160 148
SRZ130X2.0P 165 149
SRZ135X2.0P 175 26 14 6 160 M12 600
SRZ140X2.0P 180
SRZ145X2.0P 190 172
SRZ150X2.0P 195 171
SRZ155X3.0P 200 28 16 7 182
SRZ160X3.0P 210
SRZ165X3.0P 210 193
SRZ170X3.0P 220
SRZ180X3.0P 230 30 18 8 203
SRZ190X3.0P 240 214
SRZ200X3.0P 250 32 226

Remark

‧When ordering above products, please refer to the TYPE & Pitch.
‧To prevent above locknuts are in short supply, please send your order in advance.
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