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H70C-AC Ultra High Speed Bearing

The H70C-AC Ultra High Speed Bearing is made of special alloy materials, which have high strength and excellent toughness. It can withstand the huge centrifugal force and impact load under ultra-high rotational speeds, ensuring the structural stability of the bearing.

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	Type	Main dimensions			Rated load		Rated speed
					Dynamics	Static	Speed limit
Mail		d[mm]	D[mm]	B[mm]	C[kN]	C₀[kN]	[r/min]
	H7019C/AC	95	145	24	79.1	97.6	7500 13000
	H7018C/AC	90	140	24	66.9	84.0	8000 14000
	H7017C/AC	85	130	22	63.6	75.0	8500 15000
	H7016C/AC	80	125	22	61.6	70.4	9000 16000
	H7015C/AC	75	115	20	51.3	59.2	10000 17000
	H7014C/AC	70	110	20	49.9	55.5	11000 18000
	H7013C/AC	65	100	18	38.9	42.9	12000 19000
	H7012C/AC	60	95	18	37.8	40.0	13000 21000
	H7011C/AC	55	90	18	36.7	37.1	13000 21000
	H7010C/AC	50	80	16	27.6	27.5	15000 25000
	H7009C/AC	45	75	16	26.7	25.3	16000 27000
	H7008C/AC	40	68	15	9.9	19.1	18000 31000
	H7007C/AC	35	62	14	11.2	7.9	37000 55000
	H7006C/AC	30	55	13	9.5	6.2	37000 55000
	H7005C/AC	25	47	12	8.4	4.8	42000 62000
	H7004C/AC	20	42	12	7.4	3.9	49000 74000
	H7003C/AC	17	35	10	5.2	2.5	55000 84000
	H7002C/AC	15	32	9	4.4	2.2	66000 99000
	H7001C/AC	12	28	8	3.8	1.7	69000 109000
	H7000C/AC	10	26	8	3.4	1.5	79000 129000

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Dentail

Structural Characteristics

Application of Advanced Materials: Special alloy materials are used, which have high strength and excellent toughness. They can withstand the huge centrifugal force and impact load at ultra-high rotational speeds, ensuring the structural stability of the bearing.
Optimized Ball Design: The balls are made of high-quality ceramics or specially treated steel materials. They have smooth surfaces and high hardness, effectively reducing the friction coefficient and wear, thus helping to achieve extremely high-speed rotation.
Precision Cage Structure: The cage is mostly made of lightweight and high-strength composite materials, which can accurately guide the movement of the balls, prevent collisions, and maintain good dynamic balance during high-speed operation.
High-precision Ring Process: The rings have undergone ultra-precision grinding and heat treatment. The form and position tolerances such as roundness and cylindricity are extremely small, and they fit closely with the balls to ensure the rotational accuracy.

Performance Advantages

Outstanding Ultra-high Speed Performance: Specifically designed to meet the requirements of extreme rotational speeds, it can operate stably at ultra-high speeds, meeting the strict speed requirements of cutting-edge fields such as aircraft engines and high-speed electric spindles.
Long Service Life and Reliability: With high-quality materials and a refined structure, it has excellent fatigue resistance and wear resistance, reducing the frequency of maintenance and ensuring the stable operation of the equipment for a long time.
Low Vibration and Low Noise: The precise cooperation of components can control the vibration and noise during high-speed operation at an extremely low level, improving the quality of the operating environment.

Application

The bearings can be used in the following industries

Aerospace: The core rotating components of aircraft engines and the high-speed attitude adjustment mechanisms of aircraft rely on it to achieve high-speed and precise operation, ensuring flight safety and efficiency.
High-end Manufacturing: For example, the high-speed electric spindles of precision CNC machining centers and the high-speed rotating units of semiconductor manufacturing equipment help achieve high-precision and high-efficiency production.
New Energy Vehicles: In the high-speed bearing parts of the drive motors, it can adapt to the working conditions of frequent start-stop and high rotational speeds, improving the power performance and cruising range of the vehicles.