[Racks with Bolt Holes (SRFD·SRFK)] 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 (*1)
Pressure angle 20° Surface finish Cut
Material S45C Datum reference surface for teeth cutting Bottom surface
Heat treatment - Modifications Possible
*Precision grade of J Series products corresponds to an 'equivalent'.    (*1)For J Serious products, without black oxide repeatedly applied on secondary-operated parts.
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Catalog No.
Module
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
Click Here
Prices of J Series Products
1-4
Prices of J Series Products
5-20
 SRFK0.5-300J 
 SRFK0.8-300J 
 SRFK1-300J 
 SRFK1-500J 
 SRFD1.5-300J 
 SRFD1.5-500J 
  SRFD1.5-1000 
  SRFD1.5-1500 
  SRFD1.5-2000 
 SRFD2-300J 
 SRFD2-500J 
  SRFD2-1000 
  SRFD2-1500 
  SRFD2-2000 
 SRFD2.5-300J 
 SRFD2.5-500J 
  SRFD2.5-1000 
  SRFD2.5-1500 
  SRFD2.5-2000 
 SRFD3-300J 
 SRFD3-500J 
  SRFD3-1000 
  SRFD3-1500 
  SRFD3-2000 
 SRFD4-500J 
  SRFD4-1000 
  SRFD4-1500 
  SRFD4-2000 
 SRFD5-500J 
  SRFD5-1000 
  SRFD5-1500 
  SRFD5-2000 
 SRFD6-500J 
  SRFD6-1000 
  SRFD6-1500 
  SRFD6-2000 
0.5191RA300.0251211.55.515.01904M3  3.424.44.040.13   
0.8119RA299.08812.311.55.514.54904M4  4.562.511.00.21   
196RA301.59101211520.81303M4  4.597.718.00.26   
1159RA499.51101211524.761504M4  4.597.718.00.43   
1.564RD301.59152018.5820.81303M5610622042.90.64   
1.5106RD499.51152018.5824.761504M5610622042.91.07   
1.5212RD999.03152018.5849.511806M5610622042.92.14   
1.5320RD1507.96152018.5833.981809M5610622042.93.23   
1.5435RD2049.88152018.5834.9418012M5610622042.94.40   
248RD301.592025231020.81303M6711739179.01.06   
280RD502.652025231026.331504M6711739179.01.78   
2160RD1005.312025231052.651806M6711739179.03.58   
2240RD1507.962025231033.981809M6711739179.05.36   
2326RD2048.312025231034.1518012M6711739179.07.29   
2.538RD298.45253027.51219.231303M88.61496111271.55   
2.564RD502.65253027.51226.331504M88.61496111272.64   
2.5128RD1005.31253027.51252.651806M88.61496111275.31   
2.5192RD1507.96253027.51233.981809M88.61496111277.97   
2.5261RD2049.88253027.51234.9418012M88.614961112710.8   
332RD301.593035321420.81303M1010.817.5118791862.17   
353RD499.513035321424.761504M1010.817.5118791863.63   
3106RD999.033035321449.511806M1010.817.5118791867.32   
3160RD1507.963035321433.981809M1010.817.51187918611.1   
3217RD2045.173035321432.5818012M1010.817.51187918615.0   
440RD502.654045411826.331504M1213201415603396.21   
480RD1005.314045411852.651806M12132014156033912.6   
4120RD1507.964045411833.981809M12132014156033918.8   
4163RD2048.314045411834.1518012M12132014156033925.6   
532RD502.655050452031.332203M1415.2231624405408.56   
564RD1005.315050452062.652205M1415.22316244054017.2   
596RD1507.965050452093.982207M1415.22316244054025.9   
5130RD2042.045050452031.0222010M1415.22316244054035.0   
626RD490.096060542325.042203M1617.52618352078912.0   
653RD999.036060542359.512205M1617.52618352078924.6   
680RD1507.966060542393.982207M1617.52618352078937.2   
6108RD2035.756060542327.8822010M1617.52618352078950.2   
Product Precautions
[Precaution on J Series Products]  ①Since J series are available-on-request products, it requires a lead-time within 2 working-days (excludes the day ordered), after placing an order. Number of products we can handle for one order is 1 to 20 units. In case of ordering products over 20 units, we shall submit a quote.

[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”.
 ③After 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.
 ②Avoid gear tooth hardening of the Racks with bolt holes, due to deformation occurring at the mounting hole and the difficulty of straightening.
  Please click here to Unit Price & Delivery Time.