型号 |
主要尺寸(mm) |
重量 (g) |
|
d |
F |
B |
IR22x26x16
|
22
|
26
|
16
|
=((C75*C75*3.1415926/4-B75*B75*3.1415926/4)*D75)*7.8/1000
|
|
IR22x26x20
|
22
|
26
|
20
|
=((C76*C76*3.1415926/4-B76*B76*3.1415926/4)*D76)*7.8/1000
|
|
IR22x28x17
|
22
|
28
|
17
|
=((C77*C77*3.1415926/4-B77*B77*3.1415926/4)*D77)*7.8/1000
|
|
IR22x28x20
|
22
|
28
|
20
|
=((C78*C78*3.1415926/4-B78*B78*3.1415926/4)*D78)*7.8/1000
|
|
IR22x28x30
|
22
|
28
|
30
|
=((C79*C79*3.1415926/4-B79*B79*3.1415926/4)*D79)*7.8/1000
|
|
IR/LR22x28x20.5
|
22
|
28
|
20.5
|
=((C80*C80*3.1415926/4-B80*B80*3.1415926/4)*D80)*7.8/1000
|
|
IR25x29x20
|
25
|
29
|
20
|
=((C81*C81*3.1415926/4-B81*B81*3.1415926/4)*D81)*7.8/1000
|
|
IR25x29x30
|
25
|
29
|
30
|
=((C82*C82*3.1415926/4-B82*B82*3.1415926/4)*D82)*7.8/1000
|
|
IR25x30x16
|
25
|
30
|
16
|
=((C83*C83*3.1415926/4-B83*B83*3.1415926/4)*D83)*7.8/1000
|
|
IR25x30x17
|
25
|
30
|
17
|
=((C84*C84*3.1415926/4-B84*B84*3.1415926/4)*D84)*7.8/1000
|
|
IR25x30x18
|
25
|
30
|
18
|
=((C85*C85*3.1415926/4-B85*B85*3.1415926/4)*D85)*7.8/1000
|
|
IR25x30x20
|
25
|
30
|
20
|
=((C86*C86*3.1415926/4-B86*B86*3.1415926/4)*D86)*7.8/1000
|
|