| 型号 |
主要尺寸(mm) |
重量 (g) |
|
| d |
F |
B |
|
IR40x45x30
|
40
|
48
|
30
|
=((C135*C135*3.1415926/4-B135*B135*3.1415926/4)*D135)*7.8/1000
|
|
|
IR40x48x22
|
40
|
48
|
22
|
=((C136*C136*3.1415926/4-B136*B136*3.1415926/4)*D136)*7.8/1000
|
|
|
IR40x48x23
|
40
|
48
|
23
|
=((C137*C137*3.1415926/4-B137*B137*3.1415926/4)*D137)*7.8/1000
|
|
|
IR40x48x40
|
40
|
50
|
40
|
=((C138*C138*3.1415926/4-B138*B138*3.1415926/4)*D138)*7.8/1000
|
|
|
IR40x50x20
|
40
|
50
|
20
|
=((C139*C139*3.1415926/4-B139*B139*3.1415926/4)*D139)*7.8/1000
|
|
|
IR40x50x22
|
40
|
45
|
22
|
=((C140*C140*3.1415926/4-B140*B140*3.1415926/4)*D140)*7.8/1000
|
|
|
IR/LR40x45x20.5
|
40
|
45
|
20.5
|
=((C141*C141*3.1415926/4-B141*B141*3.1415926/4)*D141)*7.8/1000
|
|
|
LR40x45x16.5
|
40
|
45
|
16.5
|
=((C142*C142*3.1415926/4-B142*B142*3.1415926/4)*D142)*7.8/1000
|
|
|
IR42x47x20
|
42
|
47
|
20
|
=((C143*C143*3.1415926/4-B143*B143*3.1415926/4)*D143)*7.8/1000
|
|
|
IR42x47x30
|
42
|
50
|
30
|
=((C144*C144*3.1415926/4-B144*B144*3.1415926/4)*D144)*7.8/1000
|
|
|
IR45x50x20
|
45
|
50
|
20
|
=((C145*C145*3.1415926/4-B145*B145*3.1415926/4)*D145)*7.8/1000
|
|
|
IR45x50x25
|
45
|
50
|
25
|
=((C146*C146*3.1415926/4-B146*B146*3.1415926/4)*D146)*7.8/1000
|
|
