Specifications Precision grade JIS Grade N8 (JIS B 1702-1:1998) JIS Grade 4 (JIS B 1702:1976) Core hardness less than HB187 Gear teeth Standard full depth Surface hardness Pressure angle 20 Surface treatment - Material SUS303 Stainless Steel Surface finish Hobbed Heat treatment - Datum reference surface for gear cutting Bore

S1 S3

Module 1

Catalog No.	Module	No. of teeth	Bore	Hub dia.	Pitch dia.	Outside dia.	Face width	Hub width	Total length	Shape	Allowable torque(kgfm)		Allowable torque(Nm)		Backlash (mm)	Weight (kgf)	Catalog No.
	m	z	AH7	B	C	D	E	F	G		Bending strength	Surface durability	Bending strength	Surface durability
SUS1-15 [ DXF| DWG| 3D CAD] SUS1-16 [ DXF| DWG| 3D CAD] SUS1-18 [ DXF| DWG| 3D CAD] SUS1-20 [ DXF| DWG| 3D CAD] SUS1-22 [ DXF| DWG| 3D CAD]	1 1 1 1 1	15 16 18 20 22	8 8 8 8 8	17 18 20 16 18	15 16 18 20 22	17 18 20 22 24	10 10 10 10 10	20 20 20 10 10	30 30 30 20 20	S3 S3 S3 S1 S1	0.2082 0.2307 0.2767 0.3238 0.372	0.0126 0.0146 0.0188 0.0237 0.0292	2.042 2.262 2.713 3.175 3.648	0.1236 0.1432 0.1844 0.2324 0.2864	0.080.18 0.080.18 0.080.18 0.080.18 0.120.22	0.04 0.04 0.06 0.04 0.04	SUS1-15 SUS1-16 SUS1-18 SUS1-20 SUS1-22
SUS1-24 [ DXF| DWG| 3D CAD] SUS1-25 [ DXF| DWG| 3D CAD] SUS1-28 [ DXF| DWG| 3D CAD] SUS1-30 [ DXF| DWG| 3D CAD] SUS1-32 [ DXF| DWG| 3D CAD]	1 1 1 1 1	24 25 28 30 32	8 8 8 8 8	20 20 23 25 26	24 25 28 30 32	26 27 30 32 34	10 10 10 10 10	10 10 10 10 10	20 20 20 20 20	S1 S1 S1 S1 S1	0.4209 0.4456 0.5207 0.5714 0.6226	0.0355 0.0389 0.0494 0.0572 0.0655	4.128 4.37 5.106 5.603 6.106	0.3481 0.3815 0.4844 0.5609 0.6423	0.120.22 0.120.22 0.120.22 0.120.22 0.120.22	0.06 0.06 0.07 0.09 0.1	SUS1-24 SUS1-25 SUS1-28 SUS1-30 SUS1-32
SUS1-35 [ DXF| DWG| 3D CAD] SUS1-36 [ DXF| DWG| 3D CAD] SUS1-40 [ DXF| DWG| 3D CAD] SUS1-42 [ DXF| DWG| 3D CAD] SUS1-45 [ DXF| DWG| 3D CAD]	1 1 1 1 1	35 36 40 42 45	8 8 10 10 10	26 28 35 35 35	35 36 40 42 45	37 38 42 44 47	10 10 10 10 10	10 10 10 10 10	20 20 20 20 20	S1 S1 S1 S1 S1	0.7 0.726 0.8306 0.8833 0.9628	0.0791 0.084 0.105 0.1164 0.1346	6.865 7.12 8.145 8.662 9.442	0.7757 0.8238 1.03 1.141 1.32	0.120.22 0.120.22 0.120.22 0.140.26 0.140.26	0.11 0.12 0.16 0.17 0.19	SUS1-35 SUS1-36 SUS1-40 SUS1-42 SUS1-45
SUS1-48 [ DXF| DWG| 3D CAD] SUS1-50 [ DXF| DWG| 3D CAD] SUS1-55 [ DXF| DWG| 3D CAD] SUS1-56 [ DXF| DWG| 3D CAD] SUS1-60 [ DXF| DWG| 3D CAD]	1 1 1 1 1	48 50 55 56 60	10 10 10 10 10	35 35 40 40 40	48 50 55 56 60	50 52 57 58 62	10 10 10 10 10	10 10 10 10 10	20 20 20 20 20	S1 S1 S1 S1 S1	1.043 1.096 1.23 1.257 1.365	0.1542 0.168 0.2052 0.2131 0.2463	10.23 10.75 12.06 12.33 13.39	1.512 1.648 2.012 2.09 2.415	0.140.26 0.140.26 0.140.26 0.140.26 0.140.26	0.21 0.22 0.28 0.28 0.31	SUS1-48 SUS1-50 SUS1-55 SUS1-56 SUS1-60
SUS1-64 [ DXF| DWG| 3D CAD] SUS1-70 [ DXF| DWG| 3D CAD] SUS1-75 [ DXF| DWG| 3D CAD] SUS1-80 [ DXF| DWG| 3D CAD] SUS1-90 [ DXF| DWG| 3D CAD]	1 1 1 1 1	64 70 75 80 90	10 10 10 10 10	45 50 55 60 60	64 70 75 80 90	66 72 77 82 92	10 10 10 10 10	10 10 10 10 10	20 20 20 20 20	S1 S1 S1 S1 S1	1.474 1.637 1.773 1.91 2.185	0.282 0.3401 0.3935 0.451 0.5784	14.45 16.05 17.39 18.73 21.43	2.765 3.335 3.859 4.423 5.672	0.140.26 0.140.26 0.140.26 0.140.26 0.160.32	0.37 0.47 0.53 0.6 0.72	SUS1-64 SUS1-70 SUS1-75 SUS1-80 SUS1-90
SUS1-100 [ DXF| DWG| 3D CAD] SUS1-120 [ DXF| DWG| 3D CAD]	1 1	100 120	12 12	60 60	100 120	102 122	10 10	10 10	20 20	S1 S1	2.46 3.013	0.7222 1.062	24.12 29.55	7.082 10.41	0.160.32 0.160.32	0.82 1.1	SUS1-100 SUS1-120

CAUTION: We produce SUS stainless steel spur gears in three different body styles; S1, S3 and S5. Please choose the one that best suits your application.

NOTE: The allowable torques shown in the table are the calculated values according to JGMA Standards 401-01 and 402-01.
The backlash values shown in the table are the theoretical values of a pair of identical gears in mesh. All dimensions shown in the above table(s) are listed in millimeters unless otherwise specified.

USEFUL HINT: Stainless steel can be categorized into four types; martensite, ferrite, austenite and precipitation hardened. SUS303 and SUS304 belong to austenite family and cannot be hardened. If you require hardened stainless steel, then you should choose a martensite steel, such as SUS420J.

 

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