Specifications Precision grade JIS Grade N9 (JIS B 1702-1:1998) JIS Grade 5 (JIS B 1702:1976) Core hardness HRR115120 Gear teeth Standard full depth Surface hardness Pressure angle 20 Surface treatment - Material MC601st Nylon with S45c Steel core Surface finish Hobbed Heat treatment - Datum reference surface for gear cutting Bore

S1

Module 1.5

Catalog No.	Module	No. of teeth	Bore	Hub dia.	Pitch dia.	Outside dia.	Face width	Hub width	Total length	Metal core dia.	Shape	Allowable torque(kgfm)	Allowable torque(Nm)	Backlash (mm)	Weight (kgf)	Catalog No.
	m	z	AH7	B	C	D	E	F	G	H		Bending strength	Bending strength
NSU1.5-28 [ DXF| DWG| 3D CAD] NSU1.5-30 [ DXF| DWG| 3D CAD] NSU1.5-32 [ DXF| DWG| 3D CAD] NSU1.5-34 [ DXF| DWG| 3D CAD] NSU1.5-35 [ DXF| DWG| 3D CAD]	1.5 1.5 1.5 1.5 1.5	28 30 32 34 35	10 10 10 10 10	30 30 33 33 33	42 45 48 51 52.5	45 48 51 54 55.5	15 15 15 15 15	12 12 12 12 12	27 27 27 27 27	30 30 33 33 36	S1 S1 S1 S1 S1	0.4477 0.4869 0.5288 0.5718 0.594	4.39 4.775 5.186 5.607 5.825	0.140.3 0.140.3 0.140.3 0.160.32 0.160.32	0.15 0.15 0.18 0.19 0.21	NSU1.5-28 NSU1.5-30 NSU1.5-32 NSU1.5-34 NSU1.5-35
NSU1.5-36 [ DXF| DWG| 3D CAD] NSU1.5-40 [ DXF| DWG| 3D CAD] NSU1.5-45 [ DXF| DWG| 3D CAD] NSU1.5-48 [ DXF| DWG| 3D CAD] NSU1.5-50 [ DXF| DWG| 3D CAD]	1.5 1.5 1.5 1.5 1.5	36 40 45 48 50	10 10 10 10 12	33 40 40 40 40	54 60 67.5 72 75	57 63 70.5 75 78	15 15 15 15 15	12 12 12 12 12	27 27 27 27 27	36 45 45 45 45	S1 S1 S1 S1 S1	0.6165 0.7038 0.8141 0.8826 0.9293	6.046 6.902 7.984 8.655 9.113	0.160.32 0.160.32 0.160.32 0.160.32 0.160.32	0.21 0.31 0.33 0.34 0.34	NSU1.5-56 NSU1.5-40 NSU1.5-45 NSU1.5-48 NSU1.5-50
NSU1.5-56 [ DXF| DWG| 3D CAD] NSU1.5-60 [ DXF| DWG| 3D CAD] NSU1.5-68 [ DXF| DWG| 3D CAD] NSU1.5-70 [ DXF| DWG| 3D CAD] NSU1.5-80 [ DXF| DWG| 3D CAD]	1.5 1.5 1.5 1.5 1.5	56 60 68 70 80	12 12 12 12 12	50 50 50 50 60	84 90 102 105 120	87 93 105 108 123	15 15 15 15 15	12 12 12 12 12	27 27 27 27 27	55 55 67 70 85	S1 S1 S1 S1 S1	1.058 1.146 1.32 1.364 1.584	10.38 11.24 12.94 13.38 15.53	0.160.32 0.160.32 0.180.36 0.180.36 0.180.36	0.5 0.52 0.66 0.69 1	NSU1.5-56 NSU1.5-60 NSU1.5-68 NSU1.5-70 NSU1.5-80
NSU1.5-90 [ DXF| DWG| 3D CAD]	1.5	90	12	60	135	138	15	12	27	100	S1	1.803	17.68	0.180.36	1.28	NSU1.5-90

CAUTION: Although the holding strength at the material interface is designed to be stronger than the teeth, a secondary operation may weaken the holding strength.

CAUTION: When the core O.D. is the same as the hub diameter, you may see some serration on the hub. There is no effect on the strength of the gear due to these serrations.

NOTE: The allowable torques shown in the table are calculated using the Lewis formula. The backlash values shown 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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