Metric Spiral Miter Gears Module 2~5

Quality Transmission is the largest North American supplier of off-the-shelf metric gearing.

Specifications
Precision grade	JIS B 1704 grade 4	Core hardness	HB250300
Gear teeth	Gleason	Surface hardness	HRC5560
Pressure angle	20	Surface treatment	Black oxide
Helix angle	35	Surface finish	Cut
Material	SCM415 (Alloy steel)	Datum reference surface for gear cutting	Bore
Heat treatment	Teeth induction hardened after carburizing

20 Miter Module 25

Catalog No.	Hand of thread	Module	No. of teeth	Bore	Hub dia.	Pitch dia.	Outside dia.	Mounting distance	Total length	Crown to back length	Hub width	Length of bore	Face width	Holding surface dia.	Face angle	Shape	Allowable torque (kgfm)		Allowable torque (Nm)		Backlash (mm)	Weight (kgf)	Catalog No.
Catalog No.	Hand of thread	m	z	A	B	C	D	E	F	G	H	I	J	K	L	Shape	Bending strength	Surface durability	Bending strength	Surface durability	Backlash (mm)	Weight (kgf)	Catalog No.
MMS2-20R [ DXF\| DWG\| 3D CAD] MMS2-20L [ DXF\| DWG\| 3D CAD]	R L	2	20	12	34	40	42.31	35	22.14	16.15	12	20	9	24.54	4812'	B3	1.734	1.76	17	17.26	0.060.16	0.13	MMS2-20R MMS2-20L
MMS2.5-20R [ DXF\| DWG\| 3D CAD] MMS2.5-20L [ DXF\| DWG\| 3D CAD]	R L	2.5	20	15	42	50	53.2	45	28.63	21.6	16	26	11	30.89	5028'	B3	3.34	3.441	32.7	33.74	0.070.17	0.26	MMS2.5-20R MMS2.5-20L
MMS3-20R [ DXF\| DWG\| 3D CAD] MMS3-20L [ DXF\| DWG\| 3D CAD]	R L	3	20	16	52	60	63	50	30.78	21.99	16	27	14	34.4	5124'	B3	5.98	6.23	58.7	61.09	0.080.18	0.43	MMS3-20R MMS3-20L
MMS4-20R [ DXF\| DWG\| 3D CAD] MMS4-20L [ DXF\| DWG\| 3D CAD]	R L	4	20	20	65	80	84.99	65	39.13	27.5	17.5	35	18	49.08	4954'	B3	13.87	14.68	136	144	0.120.27	0.97	MMS4-20R MMS4-20L
MMS5-20R [ DXF\| DWG\| 3D CAD] MMS5-20L [ DXF\| DWG\| 3D CAD]	R L	5	20	25	85	100	106.25	75	42.99	28.13	17.5	38	23	60.95	4956'	B3	27.5	29.39	269	288.2	0.140.34	1.7	MMS5-20R MMS5-20L

Pitch Angle 45

25 Miter Module 25

Catalog No.	Hand of thread	Module	No. of teeth	Bore	Hub dia.	Pitch dia.	Outside dia.	Mounting distance	Total length	Crown to back length	Hub width	Length of bore	Face width	Holding surface dia.	Face angle	Shape	Allowable torque(kgfm)		Allowable torque(Nm)		Backlash (mm)	Weight (kgf)	Catalog No.
Catalog No.	Hand of thread	m	z	A_H7	B	C	D	E	F	G	H	I	J	K	L	Shape	Bending strength	Surface durability	Bending strength	Surface durability	Backlash (mm)	Weight (kgf)	Catalog No.
MMS2-25R [ DXF\| DWG\| 3D CAD] MMS2-25L [ DXF\| DWG\| 3D CAD]	R L	2	25	12	45	50	52.4	40	24.19	16.2	12.5	21	12	28.06	4822'	B3	296	3.699	29.1	36.27	0.060.16	0.22	MMS2-25R MMS2-25L
MMS2.5-25R [ DXF\| DWG\| 3D CAD] MMS2.5-25L [ DXF\| DWG\| 3D CAD]	R L	2.5	25	16	55	62.5	65.54	50	30.24	20.27	15	27	15	36.57	4826'	B3	5.79	7.322	56.7	71.8	0.070.17	0.42	MMS2.5-25R MMS2.5-25L
MMS3-25R [ DXF\| DWG\| 3D CAD] MMS3-25L [ DXF\| DWG\| 3D CAD]	R L	3	25	20	65	75	78.77	60	37.57	24.39	17.5	33	20	39.43	4852'	B3	10.61	13.55	104.1	132.9	0.080.18	0.81	MMS3-25R MMS3-25L
MMS4-25R [ DXF\| DWG\| 3D CAD] MMS4-25L [ DXF\| DWG\| 3D CAD]	R L	4	25	25	85	100	104.7	80	49.14	32.35	22.5	44	25	57.29	4752'	B3	24.3	31.48	238	308.7	0.120.27	1.9	MMS4-25R MMS4-25L
MMS5-25R [ DXF\| DWG\| 3D CAD] MMS5-25L [ DXF\| DWG\| 3D CAD]	R L	5	25	28	100	125	130.86	100	60.59	40.43	25	50	30	65.15	4750'	B3	46.3	60.7	454	595.3	0.140.34	3.4	MMS5-25R MMS5-25L

Pitch Angle 45

CAUTION: A set of miter gears must be identical in module and number of teeth, but opposite in spiral hands.

CAUTION: Dimensions of the outside diameter, the overall length and crown to back length are all theoretical values, and some differences will occur due to the corner chamfering of the gear tips.

NOTE:
The allowable torques shown in the table are calculated according to JGMA Standards 403-01 and 404-01.

*CAUTION:*	A set of miter gears must be identical in module and number of teeth, but opposite in spiral hands.
*CAUTION:*	Dimensions of the outside diameter, the overall length and crown to back length are all theoretical values, and some differences will occur due to the corner chamfering of the gear tips.
*NOTE:*	The allowable torques shown in the table are calculated according to JGMA Standards 403-01 and 404-01.

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