型号 | 直径(mm) | 长度(mm) | 称呼 | 允许公差 | 称呼 | 允许公差 | SFFBN | 4,5,6 | +0.48 0 | 1000 | +5.0 | 7,8,9 | +0.58 0 | SF×BN | 10,13,15 16,18 | +1.10 0 | 1000 | +3.60 | 20,25,30 | +1.30 0 | 35,40,45 50 | +1.60 0 | 55,60,65,70,75 80,85,90,100 | +2.00 0 | 1000 | +2.50 | 110,120,130 140,150 | +2.50 0 | 180,200,250 270,300 | +3.0 0 | 300 | +2.0 |
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