Specifications Precision grade JIS Grade N7 (JIS B 1702-1:1998) JIS Grade 3 (JIS B 1702:1976) Core hardness HB165194 Gear teeth Standard full depth Surface hardness HRC 4853 Pressure angle 20 Surface treatment Black oxide except ground surfaces Material S45C Surface finish Ground Heat treatment Tooth surfaces induction hardened Datum reference surface for gear grinding Bore

S1

Module 5

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
SSG5-20 [ DXF| DWG| 3D CAD] SSG5-25 [ DXF| DWG| 3D CAD] SSG5-30 [ DXF| DWG| 3D CAD]	5 5 5	20 25 30	25 25 25	82 105 120	100 125 150	110 135 160	50 50 50	25 25 25	75 75 75	S1 S1 S1	70.38 96.86 124.15	29.89 49.07 71.76	690.5 950.2 1218	293.3 481.4 704	0.140.26 0.180.3 0.180.3	3.8 6.1 8.8	SSG5-20 SSG5-25 SSG5-30

CAUTION: Secondary operations may be performed on these gears except for modifications near or on the gear teeth.

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.

 

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