Stainless Steel Bevel Gears Straight-Tooth System Ratio 1:1 – 4:1

Stainless steel bevel gears with a straight-tooth system and gear ratios from 1:1 to 4:1 are conical gears designed to transmit power between shafts intersecting at a 90-degree angle. The straight-tooth design features teeth cut directly along the conical surface, parallel to the gear’s pitch cone, resembling a spur gear but conical in shape. These gears are typically made from stainless steel grades like 1.4305 (AISI 303) for corrosion resistance, making them suitable for food machinery and harsh environments.

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Ratios like 1:1 (miter bevel gears) involve equal tooth counts, while ratios up to 4:1 use differing tooth numbers to adjust torque and speed. They have a 20-degree pressure angle, milled or crowned teeth, and are sold singly, requiring matched pairs for operation. Applications include industrial mixers and printing presses, but they’re limited to lower speeds (under 1000 rpm) due to noise and stress from abrupt tooth engagement.

Ratio 1:1 Stainless Steel Bevel Gears

Module	Number of teeth	da	d	ND	NL	L1	L	S	b	BH7	E	Torque*	Weight
Module	Number of teeth	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	Ncm	g
1	16	17,4	16	14	7	10	11,2	8,7	4,0	5	16	0,06	9
1,5	16	26,1	24	20	11	15	17,3	14,1	5,1	8	25	0,19	32
2	16	34,8	32	25	11,5	18	20,7	16,4	6,8	10	31	0,46	66
2,5	16	43,7	40	30	10	21	23,8	16,8	11	10	35	1,1	120
3	16	52,4	48	40	12	24	27,7	18,2	15	10	40	2,0	240
4	16	70,0	64	50	11	29	32,9	21,0	19	20	50	4,8	420

Ratio 2:1 Stainless Steel Bevel Gears

Module	Number of teeth	da	d	ND	NL	L1	L	S	b	BH7	E	Torque*	Weight
Module	Number of teeth	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	Ncm	g
1	15	17,4	15	13	6,5	11	11,9	7,6	5,0	5	22	0,08	10
1	30	30,6	30	20	9,0	13	15,1	13,1	5,0	5	20	0,16	40
1,5	15	26,1	22,5	18	6,5	13	14,8	8,4	7,6	8	30	0,27	26
1,5	30	45,9	45	30	12,0	18	20,7	17,6	7,6	10	28	0,54	124
2	15	33,7	30	20	7,5	22	23,0	10,9	14	10	40	0,78	58
2	30	61,8	60	40	12,0	24	27,2	21,9	14	15	35	1,56	312
2,5	15	42,2	37,5	30	15,6	31	33,3	18,6	17	10	55	1,6	160
2,5	30	77,3	75	50	10,0	24	28,1	21,6	17	15	38	3,2	530
3	15	50,6	45	30	11,5	33	35,4	16,4	22	10	60	2,8	270
3	30	92,8	90	50	10,0	26	30,7	22,3	22	20	42	5,6	750
4	15	67,5	60	40	10,0	38	41,0	16,9	28	20	75	6,0	410
4	30	123,8	120	60	15,0	33	39,4	28,8	28	25	55	12,0	1600

Ratio 3:1 Stainless Steel Bevel Gears

Module	Number of teeth	da	d	ND	NL	L1	L	S	b	BH7	E	Torque*	Weight
Module	Number of teeth	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	Ncm	g
1	15	17,7	15	13	9,2	16	16,5	10,0	7,1	5	32	0,10	14
1	45	45,4	45	25	10	15	17,0	15,1	7,1	8	22	0,30	92
1,5	16	28,0	24	18	11	22	23,2	12,7	11,4	8	48	0,45	42
1,5	48	72,6	72	50	12	20	24,1	20,8	11,4	15	32	1,35	405
2	16	35,9	32	20	10	25	26,6	12,6	15	10	60	1,21	80
2	48	97,3	96	60	18	30	35,0	31,0	15	25	45	3,63	95
2,5	16	44,9	40	30	15	34	36,5	17,8	20	10	77	2,6	200
2,5	48	121,6	120	80	15	29	33,9	28,5	20	25	46	7,8	1600
3	16	53,9	48	40	12,5	36	38,3	15,0	25	15	86	4,6	310
3	48	145,9	144	70	18	34	38,7	32,0	25	30	53	13,8	2300
4	16	71,8	64	50	17	46	48,3	20,3	30	20	115	9,4	680
4	48	194,6	192	90	20	43	50,0	41,9	30	30	70	28,2	5700

Ratio 4:1 Stainless Steel Bevel Gears

Module	Number of teeth	da	d	ND	NL	L1	L	S	b	BH7	E	Torque*	Weight
Module	Number of teeth	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	Ncm	g
1	15	17,8	15	13	7,7	17,3	17,3	8,4	9,3	5	38	0,14	15
1	60	60,3	60	30	10,0	15	17,1	15,1	9,3	8	22	0,56	160
1,5	15	26,7	22,5	18	14,45	28	28,9	15,5	13,9	8	60	0,48	42
1,5	60	90,4	90	50	12,0	25	27,6	24,6	13,9	15	35	1,92	745
2	15	34,0	30	20	13,5	29	29,9	15,5	15	10	75	1,34	80
2	60	120,9	120	60	20,0	35	40,1	37,0	15	25	50	5,36	1600
2,5	15	42,5	37,5	30	16,1	35	36,8	17,6	20	10	92	2,5	190
2,5	60	151,2	150	80	18,0	33	37,8	33,8	20	25	50	10,0	2600
3	15	51,0	45	30	13,15	38	39,7	15,7	25	10	105	4,4	270
3	60	181,5	180	80	18,0	35	40,6	35,5	25	30	55	17,6	3800
4	15	68,0	60	40	12,5	43	44,8	16,0	30	20	135	8,9	520
4	60	242,0	240	90	20,0	41	50,1	44,0	30	30	70	35,6	8300

Key Benefits of Stainless Steel Bevel Gears

Corrosion Resistance: Stainless steel, often grades like 1.4305 (AISI 303), provides excellent resistance to rust and corrosion. This makes these gears ideal for harsh environments, such as food processing, marine applications, or chemical plants, ensuring long-term durability without frequent replacements.
High Strength and Durability: These bevel gears are robust, capable of withstanding significant mechanical stress and torque. Their sturdy construction ensures reliable performance in demanding applications like industrial mixers or conveyors, maintaining structural integrity even under continuous heavy loads.
Efficient Power Transmission: The straight-tooth design enables effective power transfer between shafts at a 90-degree angle. With ratios from 1:1 to 4:1, they provide precise control over torque and speed, optimizing performance in machinery like printing presses.
Low Maintenance Requirements: Due to their corrosion resistance and robust material, stainless steel bevel gears require minimal maintenance. This reduces downtime and maintenance costs in industries where continuous operation is critical, such as manufacturing or packaging systems.
Versatility in Applications: These bevel gear sets are suitable for various industries, including food and beverage, pharmaceuticals, and automation, due to their compatibility with sanitary standards and ability to handle diverse torque requirements with ratios up to 4:1.
Precision and Reliability: The milled or crowned straight teeth ensure accurate meshing, reducing slippage and enhancing operational reliability. This precision is crucial for applications requiring consistent performance, such as in robotics or precision engineering systems.

Stainless Steel Bevel Gear Design Features

Stainless Steel Straight Bevel Gear Applications

Food and Beverage Industry: Stainless steel straight bevel gears are widely used in food processing machines, conveyors, and mixers due to their hygienic properties, corrosion resistance, and ease of cleaning. They comply with strict health and safety standards while ensuring efficient performance in food-grade environments.
Marine Equipment: These bevel gears are a staple in marine applications like ship steering systems, winches, and propulsion mechanisms. Their excellent resistance to saltwater corrosion and durability under harsh conditions make them reliable for demanding marine environments with high exposure to moisture.
Chemical and Pharmaceutical Industries: In environments with exposure to aggressive chemicals or sterilization processes, stainless steel straight bevel gears are indispensable. They are used in mixers, pumps, and conveyors where corrosion resistance and hygiene are critical for safe and efficient operations.
Automotive and Heavy Machinery: These bevel gear sets are integral to automotive systems like differentials and heavy machinery that require precise torque transmission at 90° angles. Their strength and wear resistance ensure reliability in high-load applications such as construction equipment and agricultural machinery.
Aerospace and Defense: Stainless steel straight bevel gears are used in aerospace systems like landing gear mechanisms, flight control systems, and radar equipment. Their ability to perform under extreme temperatures and mechanical stresses ensures reliability and safety in critical aerospace applications.
Power Transmission Systems: Commonly found in industrial power transmission setups, these straight bevel gears are used in gearboxes, turbines, and drive systems. Their efficient power transfer and ability to handle high torque loads make them essential for smoothly running industrial equipment and machinery.