Bearing Bearings 7017 Angular contact ball bearings 7017 Angular contact ball bearing

Bearing Bearings 7017 Angular contact ball bearings 7017 Angular contact ball bearing System 1

Bearing Bearings 7017 Angular contact ball bearings 7017 Angular contact ball bearing System 2

Bearing Bearings 7017 Angular contact ball bearings 7017 Angular contact ball bearing

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 1000 pc

Supply Capability:: 500000 pc/month

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Sepcification:

Angular contact ball bearings can bear radial load and axial load at the same time and also can bear pure axial load. Their ability of axial load is determined by contact angle and is increased with contact angle increasing; speed limit is higher; stiffness is big and can be pre-adjusted. They are applicable to high-speed and high-precision site.

Product application:

- spindle and other high speed precision mechanical spindle

- aircraft engine spindle

- high frequency motor

- printing machinery

- air compressor

- gas turbine

- jet engines

- turbines

-pump

Design ations	Principal dimensions (mm)			〆15º		〆25º
	Principal dimensions (mm)			Limit speed		Limit speed
	d	D	B	Basic load rating	Lubrication	Rated load	Lubrication
	d	D	B	Cr Cor	Grease Oil	Cr Cor	Grease Oil
70 Series single angular contact ball bearings
7003	17	35	10	6.7 4.9	44000 66000	6.4 4.7	39000 59000
7004	20	42	12	9.6 6.3	37000 55000	9.2 6.0	33000 49000
7005	25	47	12	12.9 8.7	33000 49000	12.3	29000 44000
7006	30	55	13	15.7 11.6	27000 42000	14.9 10.9	23000 37000
7007	35	62	14	19.3 17.5	19000 33000	10.4 10.3	19000 33000
7008	40	68	15	19.9 19.1	18000 31000	18.9 18.2	16000 27000
7009	45	75	16	26.7 25.3	16000 27000	25.4 24.1	15000 25000
7010	50	80	16	27.6 27.5	15000 25000	26.2 26.2	14000 23000
7011	55	90	18	36.7 37.1	13000 21000	34.8 35.3	12000 19000
7012	60	95	18	37.8	13000 21000	35.8 38.0	11000 18000
7013	65	100	18	38.9 42.9	12000 19000	36.8 40.7	10000 17000
7014	70	110	20	49.9 55.5	11000 18000	47.2 52.7	9000 16000
7015	75	115	20	51.3 59.2	10000 17000	48.5 56.2	8500 15000
7016	80	125	22	61.6 70.4	9000 16000	58.3 66.9	8000 14000
7017	85	130	22	63.6	8500 15000	59.9 71.3	7500 13000
7018	90	140	24	66.9	8000 14000	63.2 79.7	7000 12000
7019	95	145	24	79.1 97.6	7500 13000	74.8	6500 11000
7020	100	150	24	81.2 103.3	7000 12000	76.7	6000 10000
7021	105	160	26	93.9 118.2	6500 11000	88.8	6000 10000
7022	110	170	28	110.4 139.8	6000 10000	104.4 132.8	5700 9000
7024	120	180	28	112.7 148.7	6000 10000	106.3 141.1	5700 9000
7026	130	200	33	144.8 190.8	5700 9000	136.8 181.0	5000 8000
7028	140	210	33	148.7 202.6	5000 8000	140.4 192.2	4600 7500
7030	150	225	35	168.4 232.5	4600 7500	159.1 220.6	4000 6500
7032	160	240	38	189.1 264.5	4000 6500	178.6 251.0	3800 6000
7034	170	260	42	205.6 299.3	3800 6000	194.2 284.0	3300 5300
7036	180	280	46	229.5 352.1	3500 5700	216.8 334.1	3000 5000

Q: Can self lubrication plain bearings bear both axial and radial loads?: Bearing type is different, the load is not the same. Self lubrication bearings, in fact, are the same as plain sliding bearings, but are designed to lubricate themselves, so they can bear axial and radial loads. General bearings can withstand two-way load, but just to accept the size is not the same. Hope to help you.

Q: Which one is good for sliding bearings?: Our company has perfect product research and development system, designed and developed a number of new products and patents.

Q: What are the structural types of radial and thrust dynamic journal bearings?: There are many kinds of sliding bearings, which can be divided into two kinds of radial (Xiang Xin) sliding bearing and thrust (axial) sliding bearing according to the direction of bearing load.Sliding bearings can be divided into integral and partial and integral type sliding bearings with bolts connected with the frame. The bearing seat hole pressure, the bearing seat is arranged on the top of an oil sleeve on the oil hole. The integral sliding bearing is simple in structure, but the bearing clearance can not be adjusted when the working surface of the bearing is too large. The journal can only be loaded from the end. Split sliding bearings are mainly composed of bearing housings, bearing housings, split upper and lower bearings.

Q: What are the main structures of radial sliding bearings?: The integral type bearing has simple structureThe mounting surface of the flange type bearing is perpendicular to the central line of the bearing

Q: 0 what are the friction states of plain bearings? What are the main differences between them?: 2., the axial movement of the friction, reciprocating movement.3. radial and axial movement of the same way of friction.

Q: I recently learned some knowledge of rolling bearings and journal bearings. Questions to ask the experts:1, sliding bearings for high speed, heavy load, then in reality, how many high speed, large load sliding bearings?2, in addition to the speed and load, rolling bearings and sliding bearings at the choice of, there are other considerations? Such as price.3, rolling bearings can withstand the maximum speed is generally how much? Such as 7000RPM or 10000RPM.Relatively superficial problem, may not ask the key point, but also ask you to forgive me, thank you!: The specific choice is usually to see the design needs. Plain bearings generally consider heavy loads or poor lubrication conditions.

Q: What are the common sliding bearing bushing materials? What are the characteristics of each?: 3) oily bearing: generally use bronze, cast iron powder, the amount of graphite pressing forming, sintered by high temperature porous material. It is often used in low or medium speed, light load and inconvenient lubrication.4) Niron. Commonly used nylon 6, nylon 66 and nylon 1010, nylon bearings with running and good, the debris after the soft surface does not hurt the shaft neck, corrosion resistance and other advantages, poor thermal conductivity, water will swell.

Q: What kinds of plain bearings can be divided into?: (4) according to the principle of hydrodynamic lubrication, the hydrodynamic lubrication sliding bearing is designed, which is mainly used in the continuous high speed operation.

Q: Hello, about the bearing problem. Sliding bearings are made of powder metallurgy. What kind of grease does it use?: Powder metallurgy bearing is lubricated bearings in the factory will be through the vacuum method of negative pressure adsorption added lubricating oil, in the late stage of the process slowly release and consumption, good quality of powder metallurgy bearing life can reach more than ten years.This type of bearing is recommended to not add lubricating oil or grease, add after will have to change the bearings of the environment, such as dust adhesion, friction coefficient change, oil smoothly, when oil was crushed, and the lubrication performance of powder metallurgy bearing itself and do not come out to play, will become very astringent a card, caused by poor lubrication, which often needs to be added, resulting in unnecessary consumption and fee of manpower. Of course, there is a powder metallurgy sliding bearing is not oily, there is grease, add glib, this is often need to add fat.

Q: What are the advantages and disadvantages of plain bearings and rolling bearings?: (1) types and characteristics of plain bearings1. the sliding bearings are divided according to the load:(1) radial sliding bearing (radial sliding bearing), mainly bearing radial load;(2) thrust bearings are mainly subjected to axial load2. sliding bearings are suitable for low speed, high precision, heavy load and structural requirements.

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