Specifications Precision grade KHK R 001 grade 4 Gear teeth Standard full depth Pressure angle 20 Material S45C-D Carbon Steel Heat treatment Stress relief annealing Core hardness HRB8995 Surface hardness Surface treatment Black oxide Surface finish Hobbed Datum reference surface for gear cutting Bottom surface

R1

Module 13 100mm Racks

Module 13 300mm Racks

Module 16 500mm Racks

Module 1.58 1000mm 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
SR2.5-1000 [ DXF| DWG| 3D CAD] SR4-1000 [ DXF| DWG| 3D CAD] SR5-1000 [ DXF| DWG| 3D CAD]	2.5 4 5	1010 1010 1010	25 40 50	30 45 50	27.5 41 45	128 80 64	R1 R1 R1	610.7 1563 2443	126.6 339.1 540	5989 15330 23960	1242 3325 5296	5.3 12.5 17.5	SR2.5-1000 SR4-1000 SR5-1000

Module 1.56 1500mm Racks

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Click on the DXF, DWG or 3D CAD Button to View/Download our CAD drawings

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
SR1.5-1500 [ DXF| DWG| 3D CAD] SR2-1500 [ DXF| DWG| 3D CAD] SR2.5-1500 [ DXF| DWG| 3D CAD] SR3-1500 [ DXF| DWG| 3D CAD] SR4-1500 [ DXF| DWG| 3D CAD] SR5-1500 [ DXF| DWG| 3D CAD] SR6-1500 [ DXF| DWG| 3D CAD]	1.5 2 2.5 3 4 5 6	1515 1515 1515 1515 1515 1515 1515	15 20 25 30 40 50 60	20 25 30 35 45 50 60	18.5 23 27.5 32 41 45 54	321 241 192 160 120 96 80	R1 R1 R1 R1 R1 R1 R1	219.9 390.9 610.7 879.4 1563 2443 3518	42.92 79.03 126.6 185.7 339.1 540 788.8	2156 3833 5989 8624 15330 23960 34500	420.9 775 1242 1821 3325 5296 7735	3.4 5.4 8 11.4 19 26 38	SR1.5-1500 SR2-1500 SR2.5-1500 SR3-1500 SR4-1500 SR5-1500 SR6-1500

CAUTION: The backlash of a rack depends on the mating pinion. Please refer to the pinion's backlash.

NOTE: The items listed above as are available from stock until current inventory is exhausted. At that time the product will no longer be available. Please see the SRF series for replacement products.

NOTE: 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.