Specifications Precision grade KHK R 001 grade 3 Core hardness less than HB95 Gear teeth Standard full depth Surface hardness HRC 50-55 Pressure angle 20 Surface treatment Black Oxide except ground surfaces Material S45C-D Carbon steel Surface finish Ground Heat treatment Tooth Surfaces Induction Hardened Datum reference surface for gear grinding Bottom surface

R1

Module 15 100mm Racks

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Catalog No.	Module	Total length	Face width	Height	Height to pitch line	Effective No. of teeth	Shape	Allowable force (kgf)		Allowable force (N)		Weight (kgf)	Catalog No.
	m	A	B	C	D			Bending strength	Surface durability	Bending strength	Surface durability
SRG1-100 [ DXF | DWG | 3D CAD ] SRG1.5-100 [ DXF | DWG | 3D CAD ] SRG2-100 [ DXF | DWG | 3D CAD ] SRG2.5-100 [ DXF | DWG | 3D CAD ] SRG3-100 [ DXF | DWG | 3D CAD ] SRG4-100 [ DXF | DWG | 3D CAD ] SRG5-110 [ DXF | DWG | 3D CAD ]	1 1.5 2 2.5 3 4 5	98 101 98 100 101 98 108	10 15 20 25 30 40 50	12 20 25 30 35 45 50	11 18.5 23 27.5 32 41 45	29 20 14 11 9 6 5	R1 R1 R1 R1 R1 R1 R1	84.2 189.6 337 527 579 1348 2106	74.3 167.3 297 465 669 1190 1858.3	826.5 1860 3310 5170 5670 13220 20660	729.3 1641 2920 4560 6560 11670 18230	0.09 0.23 0.36 0.55 0.78 1.3 2	SRG1-100 SRG1.5-100 SRG2-100 SRG2.5-100 SRG3-100 SRG4-100 SRG5-110

CAUTION: Please follow the "Application Hints" on page 158 to ensure accurate assembly.

NOTE: The allowable transmission forces are calculated according to JGMA Standards 401-01 and 402-01. All dimensions shown in the above table(s) are listed in millimeters unless otherwise specified.

NOTE: Due to a decarburization layer of about 0.5mm, the rectangular sufaces have less than the specified hardness.

NOTE: Because of the heat treated gear teeth, appropriate care must be taken when cutting the length.