x56x2+ax-a2 0 360
56x?+ax-a?+ 0(8x-a)(7x+a) 0①a 0,a/8 -a/7,∴ {x-a/7 x a/8}②a=0,56x? 0,∴③a 0,a/8 -a/7,∴
【351156X2/P53YA6,10%-
32956X2A/P5 32956X2A/P6 32960 2007960 32960X2A 2007960 32960X2A/P5 32960X2A/P6 32960X2AT175/C3DB 32960X3B/P5
381056X2(77756)--381056X2280*
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351156X2/C3YA6-
32956X2A/DF 32956X2A/P5 32956X2A/P6 32960 200796032960X YB2 350630 97830350630/C3 97830350630/S0 97730T350630-1
32056X2TTSX4957317AC/DFWPB1630119-6
:0512-55271385 0512-55271386:0512-55271387 24:13358059129! 32056X2TTSX4957317AC/DF
351156X2/C3YA6-
32956X2A/DF 32956X2A/P5 32956X2A/P6 32960 200796032960X YB2 350630 97830350630/C3 97830350630/S0 97730T350630-1
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。156X24=3744?: , › › /VR/› › 156。
382956X2/SM
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382956X2/SM
381050/YB2 77750K 250×460×270 381052X2 77752 260×400×255 381056X1 77756 280×420×250 381056/S1 77756T2 280×420×250 381060X2 77760 300×500.
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x56x2+ax-a2 0.
timken352956X2/P5NACHI-
2-352956X2/P5。352956X2/P5? SKF352956X2/P5 FAG352352956X2/P5-
2-352956X2/P5。352956X2/P5? SKF352956X2/P5 FAG352 COOCO. ! : :0:2006-06-06 [] :(7x+a)(8x-a) 0,x=- x= . ∴
32056X2/P67326AC/DBBAHB633814ANUP2207
:0512-55271385 0512-55271386:0512-55271387 24:13358059129! 32056X2/P67326AC/DBBAH
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32956X2,,:(0)15006350331 0319-
32956X2/YB2 2007956K 280 380 64.5 19.8 32956X2 2007956 280 380 64.5 21.3 32952X2/YB2 2007952 260 360 64.5 18.7
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022-27617683 32056X232060X2-C432064X2↖(^ω^)↗022-27617683 022-27617683
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56x2+ax-a2 0(a∈R)
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381992X2382056X2380644 -
(mm) (kg)dDB119381992X21077992K460610360293381992X3/YA1077992460610360292.73819/600X2. 20