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带紧定套调心滚子轴承 (GB/T 288—2013) |
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带紧定套的调心滚子轴承20000K+H型 |
符号含义及应用 H—带紧定套 K—圆锥孔,锥度1:12 K30—圆锥孔,锥度1:30 能自动调心,主要承受径向载荷,同时也能承受双向轴向载荷。锥孔者,可装在紧定套或退卸套上,便于在光轴上或阶梯轴上任何位置安装,也可调整轴承的径向游隙。 应优先选用结构经优化设计的20000CC型和20000TN型产品。 |
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基本尺寸 /mm |
基本额定 载荷/kN |
极限转速 /r·min-1 |
重量 /kg |
轴承代号 |
其他尺寸 /mm |
安装尺寸/mm |
计算系数 |
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d1 |
D |
B |
Cr |
C0r |
脂 |
油 |
W ≈ |
20000K+H型 |
d2 ≈ |
D2 ≈ |
B1 |
B2 ≈ |
r min |
da max |
db min |
Da max |
Ba min |
ra max |
e |
Y1 |
Y2 |
Y0 |
|
17 |
52 |
15 |
31.5 |
31.2 |
6000 |
7500 |
— |
21304 K+H 304 |
29.5 |
42 |
28 |
7 |
1.1 |
29 |
23 |
45 |
8 |
1 |
0.31 |
2.2 |
3.3 |
2.2 |
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20 |
62 |
17 |
42.5 |
44.2 |
5300 |
6700 |
0.348 |
21305 K+H 305 |
36.4 |
50.8 |
29 |
8 |
1.1 |
36 |
28 |
55 |
6 |
1 |
0.29 |
2.4 |
3.5 |
2.3 |
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25 |
72 |
19 |
57.2 |
62 |
4500 |
6000 |
0.507 |
21306 K+H 306 |
43.3 |
59.6 |
31 |
8 |
1.1 |
43 |
33 |
65 |
6 |
1 |
0.27 |
2.5 |
3.7 |
2.4 |
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30 |
80 |
21 |
65.2 |
73.2 |
4000 |
5300 |
0.682 |
21307 K+H 307 |
49.1 |
66.3 |
35 |
9 |
1.5 |
49 |
39 |
71 |
7 |
1.5 |
0.27 |
2.5 |
3.8 |
2.5 |
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35 |
80 |
23 |
88.5 |
88.5 |
5000 |
6300 |
0.71 |
22208 K+H 308 |
50.4 |
69.4 |
36 |
10 |
1.1 |
50 |
44 |
73 |
5 |
1 |
0.28 |
2.4 |
3.6 |
2.4 |
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|
90 |
23 |
96.2 |
96.2 |
3600 |
4500 |
0.93 |
21308 K+H 308 |
54 |
75.1 |
36 |
10 |
1.5 |
54 |
44 |
81 |
5 |
1.5 |
0.26 |
2.6 |
3.8 |
2.5 |
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|
90 |
33 |
138 |
138 |
4500 |
6000 |
1.24 |
22308 K+H 2308 |
51.4 |
74.3 |
46 |
10 |
1.5 |
51 |
45 |
81 |
5 |
1.5 |
0.38 |
1.8 |
2.7 |
1.8 |
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40 |
85 |
23 |
82.8 |
95.2 |
4500 |
6000 |
0.79 |
22209 K+H 309 |
54.6 |
73.6 |
39 |
11 |
1.1 |
54 |
50 |
78 |
7 |
1 |
0.26 |
2.6 |
3.8 |
2.5 |
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|
100 |
25 |
102 |
115 |
3200 |
4000 |
1.22 |
21309 K+H 309 |
61.4 |
84.4 |
39 |
11 |
1.5 |
61 |
50 |
91 |
5 |
1.5 |
0.25 |
2.7 |
4.0 |
2.6 |
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|
100 |
36 |
145 |
170 |
4000 |
5300 |
1.65 |
22309 K+H 2309 |
57.6 |
82.2 |
50 |
11 |
1.5 |
57 |
51 |
91 |
5 |
1.5 |
0.37 |
1.8 |
2.7 |
1.8 |
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45 |
90 |
23 |
87.5 |
102 |
4300 |
5300 |
0.914 |
22210 K+H 310 |
59.7 |
78.8 |
42 |
12 |
1.1 |
59 |
55 |
83 |
9 |
1 |
0.24 |
2.8 |
4.1 |
2.7 |
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|
110 |
27 |
122 |
140 |
2800 |
3800 |
1.60 |
21310 K+H 310 |
66.7 |
91.7 |
42 |
12 |
2 |
66 |
55 |
100 |
5 |
2 |
0.25 |
2.7 |
4.0 |
2.6 |
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|
110 |
40 |
182 |
212 |
3800 |
4800 |
2.15 |
22310 K+H 2310 |
63.4 |
91.9 |
55 |
12 |
2 |
63 |
56 |
100 |
5 |
2 |
0.37 |
1.8 |
2.7 |
1.8 |
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50 |
100 |
25 |
105 |
125 |
3800 |
5000 |
1.20 |
22211 K+H 311 |
66 |
88 |
45 |
12 |
1.5 |
66 |
60 |
91 |
10 |
1.5 |
0.24 |
2.8 |
4.2 |
2.8 |
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|
120 |
29 |
145 |
170 |
2600 |
3400 |
2.00 |
21311 K+H 311 |
72.6 |
100.5 |
45 |
12 |
2 |
72 |
60 |
110 |
6 |
2 |
0.25 |
2.7 |
4.1 |
2.7 |
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|
120 |
43 |
215 |
252 |
3400 |
4300 |
2.73 |
22311 K+H 2311 |
69.2 |
100.5 |
59 |
12 |
2 |
69 |
61 |
110 |
6 |
2 |
0.36 |
1.9 |
2.8 |
1.8 |

