Bearings Angular contact Bearing high quality

Bearings Angular contact Bearing high quality System 1

Bearings Angular contact Bearing high quality System 2

Bearings Angular contact Bearing high quality

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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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Angular Contact Ball Bearing for Steam Turbine-generators

Full Ceramic Bearing High Speed Manufacturer China

Turntable Bearing Precision Manufacturer China

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: How to install angular contact ball bearings?: The installation of angular contact ball bearings is more complicated than deep groove ball bearings. It is mostly installed in pairs, and preload is necessary. Well installed, can make the host work accuracy, bearing life greatly improved; otherwise, not only the accuracy can not meet the requirements, the life will be affected.The installation form of angular contact ball bearings, a series of face to face and back to back, three. (two back-to-back wide end bearing relative) installation, bearing contact angle line along the axis of rotation diffusion direction, bearing angle can increase the radial and axial rigidity, maximum deformation resistance; face to face (two relatively narrow end bearing) installation, bearing contact angle of the rotary axis line towards the direction of its convergence. To the point of less rigidity. Because of the inner ring of the bearing outer ring out, when pressing the outer ring two bearing together, the original gap ring is eliminated, can increase the bearing preload; tandem arrangement (two wide end bearing in one direction) when installing the bearing contact angle and parallel lines in the same direction, the two share the same bearing the direction of the work load. However, in order to ensure the axial stability of the installation, the two pairs of bearings arranged in series must be installed opposite the ends of the shaft in order to ensure the axial stability of the installation.

Q: What does angle contact back to back mean?: Two bearing by webbing webbing. (face is once again thick, thin again)

Q: What is the difference between deep groove ball bearings and angular contact ball bearings?: Deep groove ball bearings and angular contact ball bearings are not the same

Q: Angular contact ball bearings, how to judge the size of the mouth?: Angular contact bearing on both sides of the outer ring thickness is not the same thin, over there is big mouth

Q: What are the differences between angular contact bearings AC and A and C?: AC is the code for homemade bearings. The contact angle is 25 degrees. It is subjected to axial force and radial forceA for Japan bearing angle code, contact angle of 30 degrees, to bear axial force and radial forceC is the bearing angle code of Japan. The contact angle is 15 degrees. It mainly bears radial force and small axial force. It is used in high precision and high speed equipment

Q: The difference between ultra high speed angular contact ball bearings and other plain bearings: Yue bearing features:1. low heating and high speed.X products 2. using heat and friction wear is made of SHX material production, to realize high speed and long life.3., according to different uses, established a different contact angle and ball material specifications of the powerful lineup.4., with wide sealing ring, compared with open bearings, grease life increased to 1.7 times, to achieve a long life.Compared with plain bearings, plain bearings only play the role of reducing the friction coefficient in the power transmission process and keeping the center of the shaft fixed when the parts on the shaft produce relative motion with each other. Low wear resistance, short life, performance is far less than ultra-high speed angular contact ball bearings, but considering the price, the average bearing price may be lower.

Q: Can angular contact ball bearings be adjustable?: May not。Self-aligning ball bearings and spherical roller bearings are adjustable.

Q: Two angular contact ball bearings, the use of clearance problems: Bearing in pairs need not be adjusted! The bearing is marked with letters!DB: back to backDF: face to faceDT: series connectionSU: single arbitrary combinationDU: any combination of two bearings.There is also a combination of three columns and four columns with letters on each bearing!Among them, when selecting the SU mark bearing, it is necessary to choose the bearings with the most close tolerance of the inner and outer ring diameter together. Clearance adjustment is also relatively easy.It is difficult to pair the bearings by adjusting the two common bearings together by adjusting the experience. It is best not to try in such a strict place!

Q: How many angles are there in angular contact ball bearings? How many degrees are they?: A stands for 30 degrees, A5 stands for 25 degrees, B stands for 40 degrees, and C stands for 15 degreesThe new Seiko NSK serves you!