[Stainless Steel Racks (SUR·SURF·SURFD)] Series list   
diagram
Specifications
Precision grade KHK R 001 grade 5 Surface hardness (less than HB187)
Gear teeth Standard full depth Surface treatment Passivation
Pressure angle 20° Surface finish Cut
Material SUS304 Datum reference surface for teeth cutting Bottom surface
Heat treatment Solution 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
Mounting hole dimensions
E
Mounting hole dimensions
F
Mounting hole dimensions
G
No. of mounting holes Mounting screw size Counterbore dimensions
H
Counterbore dimensions
I
Counterbore dimensions
J
Allowable force(kgf)
Bending strength
Allowable force(kgf)
Surface durability
Weight
(kg)
Unit Price
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  SUR1-500 
  SUR1.5-500 
  SUR1.5-1000 
  SUR2-500 
  SUR2-1000 
  SUR2.5-500 
  SUR2.5-1000 
  SUR3-500 
  SUR3-1000 
  SUR4-500 
  SUR4-1000 
  SURF1.5-1000 
  SURF2-1000 
  SURF2.5-1000 
  SURF3-1000 
  SURF4-1000 
  SURFD1.5-1000 
  SURFD2-1000 
  SURFD2.5-1000 
  SURFD3-1000 
  SURFD4-1000 
1159R1505101211        46.610.10.43 
1.5105R1505152018.5        10524.21.09 
1.5212R11010152018.5        10524.22.19 
279R1505202523        18744.51.81 
2159R11010202523        18744.53.63 
2.563R1505253027.5        29271.22.71 
2.5127R11010253027.5        29271.25.42 
352R1505303532        4201053.79 
3105R11010303532        4201057.57 
439R1505404541        7461916.47 
479R11010404541        74619112.9 
1.5212RF999.03152018.5        10524.22.17 
2160RF1005.31202523        18744.53.61 
2.5128RF1005.31253027.5        29271.25.40 
3106RF999.03303532        4201057.49 
480RF1005.31404541        74619112.9 
1.5212RD999.03152018.5849.511806M5610610524.22.13 
2160RD1005.312025231052.651806M6711718744.53.56 
2.5128RD1005.31253027.51252.651806M88.614929271.25.29 
3106RD999.033035321449.511806M1010.817.5114201057.28 
480RD1005.314045411852.651806M1213201474619112.5 
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”.
 ③For products made of stainless steel, heat treatment* and passivation ** solutions are applied. Passivation is a rust-resistance treatment, but it is not effective on the machined surface and not a totally rustproof solution.
 *Heat Treatment Solution
 Heat treatment by the carbon formed on the surface during blank manufacturing is made to infiltrate the material interior.
**Passivation
 Immersion of the metal in a nitric acid solution to make it more rust-resistant.
 ④After attaching the racks to the base, please fasten with dowel pins. Clamping only by mounting screws could possibly cause the screws to be broken, due to the heavy load.

[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.
  Please click here to Unit Price & Delivery Time.