INA IR17X20X16-INA IR17X20X16 INA CSCA060 INA IR100X110X30 100 110 30 IR100X110X30 INA IR100X110X40

:(1)12X-20X (2)X+7X-5X (3)-5a+0.3a-2.7a (4)1/3y-2/3y+2y (5)-6ab+ba+8ab (6)10y-0.5y F/ 。 2009-10-15 (2) №→

IR17X20X20,IR17X20X20,IR17X20X20 IR17X20X20,IR17X20X20,IR17X 6) ( NTN、NSK、KOYO、NACHI )

1x1: 20x20-19x19+18x18-17x17+16x16-15x15+.+2x2-1x1 =(20+19)(20-19)+(18+17)(18-17)+。+(2+1)(2-1) =20+19+18+17+。+2+1 =21x20÷2 =210

:CZB:IR-17x20x30.5:.500(mm):.2500(mm): 17IR6×9×1669164.3□IR6×10×10610103.7■IR6×10×12610124.67IR/LR7×10×

20x20-19x19+18x18-17x17++2x2-1xl=( ) - :-577 20x20-19x19+18x18-17x17++2x2-1xl=( ) A.324

:LR17X20X16-¥1111.00 LR15X18X16 ¥1111.00 IR12X16X20 ¥1111.00 LR25X30X20 ¥1111.00 LR

20x20-19x19+18x18-17x17.2x2-1x1:,20×20-19×19 =(20+19)×(20-19) =20+1918×18-17×17 =18+17=20+19+18+172+1 =

5LR17X20X16,5LR17X20X16,5LR17X20X20,5LR17X20X20,5LR17X20X30,5LR17x20X30,5LR200NPPULR200-2RSLR200NPPLR200-X-2RSLR200-2RS-XLR200-X-2RSL

14 - :201221 H300x500x20x20,()H300x300x15x15, 17 2.100E+004 0.000E+000 4.500E+003 node 18 2.100E+004 3.000E+003 4.500E+0

1x1 (20+19)*(20-19)+(18+17)*(18-17)+(16+15)*(16-15)+.+(2+1)*(2-1)=(20+19)+(18+17)+(16+15)+.+(2+1)=(20+1)*20/2=210

bearingsskf-bearings(12.930,0.05,0.39%)(002708)814 6): NTN、NSK、KOYO、NACHI 7) ( INA&FAG、RHP、

YJ15,::20x20x20,:15mm,B 1、20*20*20mm,15mm,,,100: 56x165÷7÷11 20X20-19X19+18X18-17X17++2X2-1X1 63X27+19X21 1. 56x165÷7÷11 = (56÷7)×(165÷11) = 8*15 = 120 2. 20X20-19X19+

NADELLA JR17x20x20 DDNSK CA Fw&: 17 Ew&: 20 Bc&L: 20 kg&L: 0.014 NADELLA JR17x20x20

LR17x20X30,5【INA】, IR30X35X17 IR30X35X20 IR30X35X20,5 IR30X35X26 IR30X35X30 IR30X37X18 IR3

NADELLA JR17x20x16.5 DDNSK C Fw&: 17 Ew&: 20 Bc&L: 16.5 kg&L: 0.011 NADELLA JR17x20x16

20x20-19x19+18x18-17x17+2x2-1x1=400-361+324-289+4-1=400-400+39+324-300+11+3=39+24+14=77

IR17X20X20 INA 【172020】 :INA :INA :2 17X20X20 ,:NSK、FAG、INA、TIMKEN、NTN、KOYO、NACHI

SKF IR17x20x30-5￥SKFIR17x20x30-5,IR17x20x30-5 --,:0512-50366602: IR17x20x30-5: 17: 20:

(lr17x20x30 5、lr17x20x30 5、lr17x20x30 5 2017515-17 20171031-113

IR14X17X17IR15X19X20IR17X20X20。IR 12X16X20 IR12X16X20 IR 12X16X22 IR12X16X22 IR 130X145X35 IR130X145X35 IR 130X150