[Round Racks (SRO·SROS)] Series list   
diagram
Specifications
Precision grade KHK R 001 grade 4 Surface hardness (less than HRB95)
Gear teeth Standard full depth Surfave treatment Black oxide
Pressure angle 20° Surface finish Cut
Material S45C Datum reference surface for teeth cutting -
Heat treatment - Modifications Possible
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Catalog No.
Module
Effective No. of teeth Shape Total length
A
Outside dia.
d h9
Height to pitch line
D
Allowable force(kgf)
Bending strength
Allowable force(kgf)
Surface durability
Weight
(kg)
Unit Price
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  SRO1-500 
  SRO1.5-500 
  SRO2-500 
  SRO2-1000 
  SRO2.5-500 
  SRO2.5-1000 
  SRO3-500 
  SRO3-1000 
  SRO4-500 
  SRO4-1000 
  SRO5-1000 
  SRO6-1000 
  SROS1-500 
  SROS1.5-500 
  SROS2-500 
  SROS2.5-500 
  SROS3-500 
1159R250510981.612.30.29 
1.5105R25051513.518429.30.65 
279R2505201832654.01.16 
2159R21010201832654.02.31 
2.563R25052522.551086.51.81 
2.5127R210102522.551086.53.61 
352R250530277351272.60 
3105R2101030277351275.20 
439R2505403613102324.62 
479R21010403613102329.24 
563R210105045204036914.4 
652R210106054294053920.8 
1128R750510981.612.30.29 
1.585R75051513.518429.30.66 
264R7505201832654.01.17 
2.551R75052522.551086.51.83 
342R750530277351272.64 
Product Precautions
[Caution on Product Characteristics]  ①The allowable forces shown in the table are the calculated values according to the assumed usage conditions. Please see Selection Hints for more details
 ②The backlash value of a rack is calculated from the addition of 1/2 the backlash of the mating pinion and the value shown in the table “Backlash of Amount of Tooth Thinning”.
 ③Tolerance of “d” dimension of SRO6-1000 is h10.

[Caution on Secondary Operations]  ①Please read “Cautions on Performing Secondary Operations”when performing modification and/or secondary operations of Racks. Haguruma Kobo, the KHK's system for quick modification of KHK stock gears is also available.
 ②Please avoid gear tooth hardening of Round Racks. It causes contortion and deformation, and straightening processes can hardly be applied.
  Please click here to Unit Price & Delivery Time.