7003 Angular contact ball bearings high precision
- Ref Price:
-
- 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 | ||||
| Limit speed | Limit speed | ||||||
| d | D | B | Basic load rating | Lubrication | Rated load | Lubrication | |
| 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: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.
- Q:Can angular contact ball bearings be adjustable?
- May not。Self-aligning ball bearings and spherical roller bearings are adjustable.
- 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:What is angular contact ball bearing contact angle?
- Angular contact ball bearings can simultaneously bear axial force and radial force in one direction. The rolling force of upper and lower points of attachment at a certain angle and radial direction. Such bearings are angular contact bearings.
- 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!
- 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:How can angular contact be distinguished from the front and back? What are the characteristics of each?
- The front outer ring is wide and the outer back is narrow.
- Q:What are the differences between angular contact bearings and deep groove ball bearings?
- Deep groove ball bearings and angular contact ball bearings with inner and outer diameters and wide dimensions have the same inner ring size and structure, but have different outer ring sizes and structures:1. deep groove ball bearings, outer raceway, both sides of the double shoulder, and angular contact ball bearings generally single shoulder;2. deep groove ball bearings, raceway curvature and angular contact ball is different, the latter is often greater than the former;3. deep groove ball bearings, outer raceway and angular contact ball bearings of different, non central position, the specific value of angular contact ball bearings designed to be considered, and the degree of contact angle related;In terms of use:1. two different purposes, suitable for deep groove ball bearings bear radial force and smaller axial force, axial and radial load and combined load torque, and angular contact ball bearings can withstand axial load, radial load is larger (with different contact angles and loads of different sizes), double matching (with matching mode vary) is two-way can withstand axial load and torque load.2., the limit speed is different, the same size of angular contact ball bearings, the ultimate speed is higher than deep groove ball bearings.With type, size, precision, and so on.
- Q:What does angle contact back to back mean?
- Refers to the installation method, put it is face to face
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7003 Angular contact ball bearings high precision
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 pc
- Supply Capability:
- 500000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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