型号 |
主要尺寸(mm) |
重量 (g) |
|
d |
F |
B |
IR50x55x20
|
50
|
55
|
20
|
=((C159*C159*3.1415926/4-B159*B159*3.1415926/4)*D159)*7.8/1000
|
|
IR50x55x25
|
50
|
55
|
25
|
=((C160*C160*3.1415926/4-B160*B160*3.1415926/4)*D160)*7.8/1000
|
|
IR50x55x35
|
50
|
55
|
35
|
=((C161*C161*3.1415926/4-B161*B161*3.1415926/4)*D161)*7.8/1000
|
|
IR50x58x22
|
50
|
58
|
22
|
=((C162*C162*3.1415926/4-B162*B162*3.1415926/4)*D162)*7.8/1000
|
|
IR50x58x23
|
50
|
58
|
23
|
=((C163*C163*3.1415926/4-B163*B163*3.1415926/4)*D163)*7.8/1000
|
|
IR50x58x40
|
50
|
58
|
40
|
=((C164*C164*3.1415926/4-B164*B164*3.1415926/4)*D164)*7.8/1000
|
|
IR50x60x20
|
50
|
60
|
20
|
=((C165*C165*3.1415926/4-B165*B165*3.1415926/4)*D165)*7.8/1000
|
|
IR50x60x25
|
50
|
60
|
25
|
=((C166*C166*3.1415926/4-B166*B166*3.1415926/4)*D166)*7.8/1000
|
|
IR50x60x28
|
50
|
60
|
28
|
=((C167*C167*3.1415926/4-B167*B167*3.1415926/4)*D167)*7.8/1000
|
|
LR50x55x20.5
|
50
|
55
|
20.5
|
=((C168*C168*3.1415926/4-B168*B168*3.1415926/4)*D168)*7.8/1000
|
|
IR55x60x25
|
55
|
60
|
25
|
=((C169*C169*3.1415926/4-B169*B169*3.1415926/4)*D169)*7.8/1000
|
|
IR55x60x35
|
55
|
60
|
35
|
=((C170*C170*3.1415926/4-B170*B170*3.1415926/4)*D170)*7.8/1000
|
|