7009 Angular contact ball bearing bearings

7009 Angular contact ball bearing bearings System 1

7009 Angular contact ball bearing bearings System 2

7009 Angular contact ball bearing bearings

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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: What are the differences between angular contact bearings and deep groove ball bearings?: The difference between deep groove bearings with the angular contact bearings in the structure is: deep groove bearings and rolling contact rail check section view on the parallel with the axis, the angular contact bearing rail has an open angle in one direction, and the axis or axis of the vertical line and an alpha angle. As shown. No. 6 bearings mainly bear radial force, bearing No. 7 can bear radial force and axial force.

Q: What is angular contact ball bearing contact angle?: The angle between the imaginary line of the contact between the roll and the raceway and the vertical line of the axis of rotation

Q: What is the difference between deep groove ball bearings and angular contact ball bearings?: The above two said performance, actually because the contact angle is different, the original contact angle of deep groove ball bearing is 0 degrees. Contact angle of angular contact is greater than 0 degrees, generally 15 degrees. 25 degrees. 40 degrees. Thrust angle contact bearings greater than 45 degrees.The consequences of angular contact, as above two said.

Q: Angular contact ball bearings, how to judge the size of the mouth?: Judge the size of the mouth, of course, big mouth is large, that is, the edge of the slope for the side of the big mouth.

Q: What are the differences between angular contact bearings AC and A and C?: Angular contact bearings common suffix has AC, C and B, AC said nominal contact angle a is 25 degrees, C is 15 degrees, B is 40 degrees.

Q: The difference between ultra high speed angular contact ball bearings and other plain bearings: The ability to bear the axial force of angular contact ball bearings than ordinary high speed ball bearings, angular contact ball bearing is slightly lower than the ordinary ball bearings of the same type.

Q: Can angular contact ball bearings be adjustable?: No, please adjust the heart with the self-aligning bearing

Q: What are the reasons for the use of tapered roller bearings and angular contact ball bearings?: Take the radial load and axial load of the shaft evenly, pay attention to the normal and reverse loading, or the axial direction can not be fixed.

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: Do angular contact ball bearings come with a sealing cap?: Angular contact ball bearings generally have no dust caps or seals. You can design and install an oil seal or something like that.In general, deep groove ball bearings are lubricated with dust cover. Angular contact ball games are generally lubricated with lubricating oil, without dust cover, such as grease lubrication, the effect is poor.

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