Specifications Precision grade JIS Grade N8 (JIS B 1702-1:1998) JIS Grade 4 (JIS B 1702:1976) Core hardness HB165194 Gear teeth Standard full depth Surface hardness Pressure angle 20 Surface treatment Black oxide Material S45C Surface finish Hobbed Heat treatment - Datum reference surface for gear cutting Bore

S1 S2 S4

Module 5

Catalog No.	No. of teeth	Bore	Hub dia.	Pitch dia.	Outside dia.	Face width	Hub width	Total length	Web thickness	Web O.D.	Shape	Allowable torque(kgfm)		Allowable torque(Nm)		Backlash (mm)	Weight (kgf)	Catalog No.
	z	AH7	B	C	D	E	F	G	H	I		Bending strength	Surface durability	Bending strength	Surface durability
SS5-12 [ DXF| DWG| 3D CAD] SS5-13 [ DXF| DWG| 3D CAD] SS5-14 [ DXF| DWG| 3D CAD] SS5-15 [ DXF| DWG| 3D CAD] SS5-16 [ DXF| DWG| 3D CAD]	12 13 14 15 16	22 22 22 22 22	46 50 52 60 65	60 65 70 75 80	70 75 80 85 90	50 50 50 50 50	25 25 25 25 25	75 75 75 75 75	- - - - -	- - - - -	S1 S1 S1 S1 S1	32.44 37.21 42.1 47.09 52.18	1.553 1.877 2.219 2.596 3.005	318.1 364.9 412.9 461.8 511.7	15.23 18.41 21.76 25.46 29.47	0.220.44 0.220.44 0.220.44 0.220.44 0.220.44	1.2 1.5 1.7 2 2.3	SS5-12 SS5-13 SS5-14 SS5-15 SS5-16
SS5-17 [ DXF| DWG| 3D CAD] SS5-18 [ DXF| DWG| 3D CAD] SS5-19 [ DXF| DWG| 3D CAD] SS5-20 [ DXF| DWG| 3D CAD] SS5-21 [ DXF| DWG| 3D CAD]	17 18 19 20 21	22 22 22 22 25	68 70 76 82 90	85 90 95 100 105	95 100 105 110 115	50 50 50 50 50	25 25 25 25 25	75 75 75 75 75	- - - - -	- - - - -	S1 S1 S1 S1 S1	57.34 62.58 67.89 73.25 78.67	3.446 3.918 4.423 4.959 5.527	562.3 613.7 665.8 718.3 771.5	33.79 38.42 43.37 48.63 54.2	0.220.44 0.220.44 0.220.44 0.220.44 0.240.5	2.6 2.9 3.5 3.8 4.4	SS5-17 SS5-18 SS5-19 SS5-20 SS5-21
SS5-22 [ DXF| DWG| 3D CAD] SS5-23 [ DXF| DWG| 3D CAD] SS5-24 [ DXF| DWG| 3D CAD] SS5-25 [ DXF| DWG| 3D CAD] SS5-26 [ DXF| DWG| 3D CAD]	22 23 24 25 26	25 25 25 25 25	95 100 100 105 110	110 115 120 125 130	120 125 130 135 140	50 50 50 50 50	25 25 25 25 25	75 75 75 75 75	- - - - -	- - - - -	S1 S1 S1 S1 S1	84.14 89.65 95.21 100.8 106.4	6.127 6.765 7.446 8.162 8.877	825.1 879.2 933.7 988.5 1043	60.08 66.34 73.02 80.04 87.05	0.240.5 0.240.5 0.240.5 0.240.5 0.240.5	4.8 5.5 5.7 6.1 6.6	SS5-22 SS5-23 SS5-24 SS5-25 SS5-26
SS5-27 [ DXF| DWG| 3D CAD] SS5-28 [ DXF| DWG| 3D CAD] SS5-29 [ DXF| DWG| 3D CAD] SS5-30 [ DXF| DWG| 3D CAD] SS5-32 [ DXF| DWG| 3D CAD]	27 28 29 30 32	25 25 25 25 30	110 110 115 120 120	135 140 145 150 160	145 150 155 160 170	50 50 50 50 50	25 25 25 25 21	75 75 75 75 71	- - - - -	- - - - -	S1 S1 S1 S1 S1	112.1 117.8 123.5 129.3 140.8	9.624 10.4 11.21 12.05 13.83	1099 1155 1211 1268 1381	94.38 102 109.9 118.2 135.6	0.240.5 0.240.5 0.240.5 0.240.5 0.240.5	7.6 8 8.2 8.8 9.8	SS5-27 SS5-28 SS5-29 SS5-30 SS5-32
SS5-34 [ DXF| DWG| 3D CAD] SS5-35 [ DXF| DWG| 3D CAD] SS5-36 [ DXF| DWG| 3D CAD] SS5-38 [ DXF| DWG| 3D CAD] SS5-40 [ DXF| DWG| 3D CAD]	34 35 36 38 40	30 30 30 30 30	120 120 120 120 120	170 175 180 190 200	180 185 190 200 210	50 50 50 50 50	21 21 21 21 21	71 71 71 71 71	- - - - 36	- - - - 160	S1 S1 S1 S1 S2	152.5 158.3 164.2 176 156.6	15.74 16.74 17.77 19.93 18.54	1495 1552 1610 1726 1536	154.4 164.2 174.3 195.4 181.8	0.240.5 0.240.5 0.240.5 0.240.5 0.240.5	11.8 12 12 14 13	SS5-34 SS5-35 SS5-36 SS5-38 SS5-40
SS5-42 [ DXF| DWG| 3D CAD] SS5-44 [ DXF| DWG| 3D CAD] SS5-45 [ DXF| DWG| 3D CAD] SS5-46 [ DXF| DWG| 3D CAD] SS5-48 [ DXF| DWG| 3D CAD]	42 44 45 46 48	30 30 30 30 30	120 120 120 120 120	210 220 225 230 240	220 230 235 240 250	50 50 50 50 50	21 21 21 21 21	71 71 71 71 71	36 36 36 30 30	170 175 180 185 200	S2 S2 S2 S2 S2	166.5 176.5 181.5 186.5 196.5	20.6 22.77 23.9 25.06 27.46	1633 1731 1780 1829 1927	202 223.3 234.4 245.8 269.3	0.280.58 0.280.58 0.280.58 0.280.58 0.280.58	14 15 16 16 17	SS5-42 SS5-44 SS5-45 SS5-46 SS5-48
SS5-50 [ DXF| DWG| 3D CAD] SS5-52 [ DXF| DWG| 3D CAD] SS5-54 [ DXF| DWG| 3D CAD] SS5-55 [ DXF| DWG| 3D CAD] SS5-56 [ DXF| DWG| 3D CAD]	50 52 54 55 56	30 30 30 30 30	120 130 130 130 130	250 260 270 275 280	260 270 280 285 290	50 50 50 50 50	21 21 21 21 21	71 71 71 71 71	16 30 30 30 30	212 220 230 235 240	S4 S2 S2 S2 S2	206.6 216.7 226.8 231.9 237	29.98 32.62 35.38 36.8 38.25	2026 2125 2224 2274 2324	294 319.9 347 360.9 375.1	0.280.58 0.280.58 0.280.58 0.280.58 0.280.58	15 18 19 20 21	SS5-50 SS5-52 SS5-54 SS5-55 SS5-56
SS5-58 [ DXF| DWG| 3D CAD] SS5-60 [ DXF| DWG| 3D CAD]	58 60	30 30	130 130	290 300	300 310	50 50	21 21	71 71	30 20	240 260	S2 S4	247.1 257.3	41.25 44.36	2423 2523	404.5 435	0.280.58 0.280.58	22 23	SS5-58 SS5-60

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.

USEFUL HINT: The module (pitch), number of teeth and outside diameter of a standard spur gear (x=0) are related by the formula shown.

Module = Outside diameter (Number of teeth + 2)

 

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