角接觸球軸承可同時承受徑向負荷和軸向負荷。能在較高的轉速下工作。接觸角越大,軸向承載能力越高。高 精度和高速軸承通常取15 度接觸角。在軸向力作用下,接觸角會增大。
單列角接觸球軸承:只能承受一個方向的軸向負荷,在承受徑向負荷時,將引起附加軸向力。并且只能限制軸 或外殼在一個方向的軸向位移。成對雙聯(lián)球軸承:成對雙聯(lián)安裝,使一對軸承的外圈相對,即寬端面對寬端面 窄端面對窄端面。這樣即可避免引起附加軸向力,而且可在兩個方向使軸或外殼限制在軸向游隙范圍內。
2. 產(chǎn)品結構
• 7000C型(∝=15°)
• 7000AC型(∝=25°)
• 7000B(∝=40°)
.7200C(A)型
7300 C(A)型
3. 保持架:黃銅、合成樹脂
4. 產(chǎn)品特點
• 額定負荷大
• 剛性強
• 運轉平穩(wěn)
5. 主要用途
單列角接觸球軸承:機床主軸、高頻馬達、燃汽輪機、離心分離機、小型汽車前輪、差速器小齒
高速角接觸球軸承71800A(AC)系列 | |||||||||
外形尺寸 Boundary dimensions |
額定載荷 Load ratings |
極限轉速 Limiting speeds |
軸承代號 Bearing Desig-nations |
||||||
d | D | B | rsmin | r1smin | Cr | Cor | 脂 Grease |
油 Cor |
|
mm | kN | r/min | |||||||
10 | 19 | 5 | 0.3 | 0.1 | 1.8 | 1.1 | 75000 | 120000 | 71800C |
10 | 19 | 5 | 0.3 | 0.1 | 1.7 | 1.1 | 70000 | 110000 | 71800AC |
12 | 21 | 5 | 0.3 | 0.1 | 2 | 1.4 | 70000 | 110000 | 71801C |
12 | 21 | 5 | 0.3 | 0.1 | 1.9 | 1.3 | 63000 | 95000 | 71801AC |
15 | 24 | 5 | 0.3 | 0.1 | 2.2 | 1.8 | 60000 | 90000 | 71802C |
15 | 24 | 5 | 0.3 | 0.1 | 2.1 | 1.7 | 53000 | 80000 | 71802AC |
17 | 26 | 5 | 0.3 | 0.1 | 2.3 | 1.9 | 60000 | 90000 | 71803C |
17 | 26 | 5 | 0.3 | 0.1 | 2.1 | 1.7 | 53000 | 80000 | 71803AC |
20 | 32 | 7 | 0.3 | 0.1 | 3.9 | 3.4 | 45000 | 67000 | 71804C |
20 | 32 | 7 | 0.3 | 0.1 | 3.7 | 3.2 | 40000 | 60000 | 71804AC |
25 | 37 | 7 | 0.3 | 0.15 | 4.2 | 4.1 | 38000 | 56000 | 71805C |
25 | 37 | 7 | 0.3 | 0.15 | 3.9 | 3.9 | 34000 | 50000 | 71805AC |
30 | 42 | 7 | 0.3 | 0.15 | 4.4 | 4.8 | 32000 | 48000 | 71806C |
30 | 42 | 7 | 0.3 | 0.15 | 4.1 | 4.5 | 28000 | 43000 | 71806AC |
35 | 47 | 7 | 0.3 | 0.15 | 4.6 | 5.5 | 26000 | 40000 | 71807C |
35 | 47 | 7 | 0.3 | 0.15 | 4.3 | 5.2 | 24000 | 38000 | 71807AC |
40 | 52 | 7 | 0.3 | 0.15 | 4.8 | 6.2 | 24000 | 38000 | 71808C |
40 | 52 | 7 | 0.3 | 0.15 | 4.5 | 5.8 | 20000 | 34000 | 71808AC |
45 | 58 | 7 | 0.3 | 0.15 | 4.9 | 6.7 | 20000 | 34000 | 71809C |
45 | 58 | 7 | 0.3 | 0.15 | 4.6 | 6.3 | 18000 | 30000 | 71809AC |
50 | 65 | 7 | 0.3 | 0.15 | 7.4 | 10 | 18000 | 30000 | 71810C |
50 | 65 | 7 | 0.3 | 0.15 | 4.6 | 9.5 | 16000 | 26000 | 71810AC |
55 | 72 | 9 | 0.3 | 0.15 | 10.2 | 13.8 | 16000 | 26000 | 71811C |
55 | 72 | 9 | 0.3 | 0.15 | 9.6 | 13.1 | 15000 | 24000 | 71811AC |
60 | 78 | 10 | 0.3 | 0.15 | 13.4 | 18 | 15000 | 24000 | 71812C |
60 | 78 | 10 | 0.3 | 0.15 | 12.6 | 17 | 14000 | 22000 | 71812AC |
65 | 85 | 10 | 0.6 | 0.15 | 13.4 | 18 | 14000 | 22000 | 71813C |
65 | 85 | 10 | 0.6 | 0.15 | 12.6 | 17.8 | 13000 | 20000 | 71813AC |
70 | 95 | 10 | 0.6 | 0.15 | 14.2 | 21.7 | 12000 | 19000 | 71814C |
70 | 95 | 10 | 0.6 | 0.15 | 13.3 | 20.5 | 11000 | 18000 | 71814AC |
75 | 95 | 10 | 0.6 | 0.15 | 14.2 | 21.7 | 12000 | 19000 | 71815C |
75 | 95 | 10 | 0.6 | 0.15 | 13.3 | 20.5 | 11000 | 18000 | 71815AC |
80 | 100 | 10 | 0.6 | 0.15 | 14.5 | 23.1 | 11000 | 18000 | 71816C |
80 | 100 | 10 | 0.6 | 0.15 | 13.6 | 21.8 | 9500 | 16000 | 71816AC |
85 | 110 | 13 | 1 | 0.3 | 21.5 | 32.2 | 10000 | 17000 | 71817C |
85 | 110 | 13 | 1 | 0.3 | 20.2 | 30.5 | 9000 | 15000 | 71817AC |
90 | 115 | 13 | 1 | 0.3 | 21.7 | 33.5 | 9500 | 16000 | 71818C |
90 | 115 | 13 | 1 | 0.3 | 20.4 | 31.6 | 8500 | 14000 | 71818AC |
95 | 120 | 13 | 1 | 0.3 | 21.9 | 34.7 | 9000 | 15000 | 71919C |
95 | 120 | 13 | 1 | 0.3 | 20.6 | 32.8 | 8500 | 14000 | 71819AC |
100 | 125 | 13 | 1 | 0.3 | 22.5 | 37 | 8500 | 14000 | 71820C |
100 | 125 | 13 | 1 | 0.3 | 21.2 | 34.9 | 8000 | 13000 | 71820AC |
105 | 130 | 13 | 1 | 0.3 | 22.7 | 38.3 | 8500 | 14000 | 71821C |
105 | 130 | 13 | 1 | 0.3 | 21.3 | 36.1 | 8000 | 13000 | 71821AC |
110 | 140 | 16 | 1 | 0.3 | 31.8 | 51.6 | 8000 | 14000 | 71822C |
110 | 140 | 16 | 1 | 0.3 | 21.3 | 36.1 | 8000 | 13000 | 71822AC |
120 | 150 | 16 | 1 | 0.3 | 33.1 | 56.9 | 7000 | 11000 | 71824C |
120 | 150 | 16 | 1 | 0.3 | 31.1 | 53.7 | 6700 | 10000 | 71824AC |
130 | 165 | 18 | 1.1 | 0.6 | 38.7 | 67.6 | 6700 | 10000 | 71826C |
130 | 165 | 18 | 1.1 | 0.6 | 36.6 | 63.8 | 6000 | 9000 | 71826AC |
140 | 175 | 18 | 1.1 | 0.6 | 44.8 | 79.2 | 6000 | 9000 | 71828C |
140 | 175 | 18 | 1.1 | 0.6 | 42 | 74.7 | 5600 | 8500 | 71828AC |
150 | 175 | 18 | 1.1 | 0.6 | 44.8 | 79.2 | 6000 | 9000 | 71830C |
150 | 175 | 18 | 1.1 | 0.6 | 42 | 74.7 | 5600 | 8500 | 71830AC |
160 | 200 | 20 | 1.1 | 0.6 | 52.4 | 97.7 | 5000 | 7500 | 71832C |
160 | 200 | 20 | 1.1 | 0.6 | 49.2 | 92.2 | 4800 | 7000 | 71832AC |
170 | 215 | 22 | 1.1 | 0.6 | 66.5 | 123.4 | 4800 | 7000 | 71834C |
170 | 215 | 22 | 1.1 | 0.6 | 62.4 | 116.5 | 4300 | 6300 | 71834AC |
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