[Racks (SR)] Series list   
diagram
Specifications
Precision grade KHK R 001 grade 4 Surface hardness (less than HRB95)
Gear teeth Standard full depth Surface treatment Black oxide
Pressure angle 20° Surface finish Cut
Material S45C Datum reference surface for teeth cutting Bottom surface
Heat treatment - Modifications Possible
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Catalog No.
Module
Effective No. of teeth Shape Total length
A
Face width
B
Height
C
Height to pitch line
D
Allowable force(kgf)
Bending strength
Allowable force(kgf)
Surface durability
Weight
(kg)
Unit Price
Click Here
  SR0.5-100 
  SR0.8-100 
  SR1-100 
  SR1-300 
  SR1-500 
  SR1.5-100 
  SR1.5-300 
  SR1.5-500 
  SR2-100 
  SR2-300 
  SR2-500 
  SR2.5-100 
  SR2.5-300 
  SR2.5-500 
  SR3-100 
  SR3-300 
  SR3-500 
  SR4-100 
  SR4-500 
  SR5-110 
  SR5-500 
  SR6-110 
  SR6-500 
  SR8-130 
  SR10-160 
0.562R110151211.524.44.040.046 
0.838R1101812.311.562.511.00.073 
129R19810121197.718.00.085 
194R130310121197.718.00.26 
1159R150510121197.718.00.44 
1.520R1101152018.522042.90.22 
1.562R1303152018.522042.90.66 
1.5105R1505152018.522042.91.10 
214R19820252339179.00.35 
246R130320252339179.01.09 
279R150520252339179.01.82 
2.511R1100253027.56111270.54 
2.537R1303253027.56111271.64 
2.563R1505253027.56111272.73 
39R11013035328791860.76 
330R13033035328791862.28 
352R15053035328791863.81 
46R19840454115603391.26 
439R150540454115603396.50 
55R110850504524405401.91 
531R150550504524405408.92 
64R111160605435207892.82 
625R1505606054352078912.8 
83R1123757567451010604.85 
103R1155908070677016407.67 
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”.

[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.
 ②Having a decarburized layer (approx. 0.5mm thickness) on the rectangular surfaces, the tooth tips cannot have the hardness you designate, if induction hardening is applied.
  Please click here to Unit Price & Delivery Time.