金属外壳之油封 一般均作表面研磨以达密封之效果。 橡胶外壳油封 尤其使用在铝、铜及陶瓷等较脆弱之配套孔其效果更佳。  
 备注:1、SB/TB/VB型之油封依据客人之订单生产。             2、TC油封(NBR70)有现货供应。 骨架油封尺寸标示及公差标准                         | ISO/R286 H8  |                          GB9877.1-88              |                              |              轴径及孔径之名义尺寸              |                          油封配套孔径之公差              |                          油封配套轴径之公差              |                          配合轴径大于至              |                          主唇口公差              |                          副唇口公差              |                              |              6.00 TO 10.00              |                          -0.000/+0.020              |                          +0.000/-0.090              |                          5-30              |                          -0.5/-1.3              |                          -0.15/-0.45              |                              |              10.01 TO 18.00              |                          -0.000/+0.027              |                          +0.000/-0.110              |                          30-60              |                          -0.8/-1.7              |                          -2.0/-0.60              |                              |              18.01 TO 30.00              |                          -0.000/+0.033              |                          +0.000/-0.130              |                          60-80              |                          -1.0/-2.0              |                          -0.25/-0.75              |                              |              30.01 TO 50.00              |                          -0.000/+0.039              |                          +0.000/-0.160              |                          80-130              |                          -1.2/-2.6              |                          -3.0/-0.90              |                              |              50.01 TO 80.00              |                          -0.000/+0.046              |                          +0.000/-0.190              |                          130-250              |                          -1.5/-3.3              |                          -0.40/-1.05              |                              |              80.01 TO 120.00              |                          -0.000/+0.054              |                          +0.000/-0.220              |                          250-400              |                          -2.0/-4.0              |                          -0.50/-1.30              |                              |              120.01 TO 180.00              |                          -0.000/+0.063              |                          +0.000/-0.250              |                                         |                                         |                                         |                              |              180.01 TO 250.00              |                          -0.000/+0.072              |                          +0.000/-0.290              |                                         |                                         |                                         |                              |              250.01 TO 315.00              |                          -0.000/+0.081              |                          +0.000/-0.320              |                                         |                                         |                                         |                              |              315.01 TO 400.00              |                          -0.000/+0.089              |                          +0.000/-0.360              |                                         |                                         |                                         |                              |              400.01 TO 500.00              |                          -0.000/+0.097              |                          +0.000/-0.400              |                                         |                                         |                                         |                                         |              GB13871-92              |                              |              尺寸(外径)大于至              |                          外露骨架型(外径公差)              |                          内包骨架型(外径公差)              |                          外露骨架型(圆度公差)              |                          内包骨架型(圆度公差)              |                          高度公差              |                              |              ≤10              |                          ≥10              |                              |              50以下(含50)              |                          +0.20/+0.08              |                          +0.30/+0.15              |                          0.18              |                          0.25              |                          ±0.3              |                          ±0.4              |                              |              50-80              |                          +0.23/+0.09              |                          +0.35/+0.20              |                          0.25              |                          0.35              |                          ±0.3              |                          ±0.4              |                              |              80-120              |                          +0.25/+0.10              |                          +0.35(0.45)/+0.2              |                          0.30              |                          0.50              |                          ±0.3              |                          ±0.4              |                              |              120-180              |                          +0.28/+0.12              |                          +0.45(0.50)/+0.25              |                          0.40              |                          0.65              |                          ±0.3              |                          ±0.4              |                              |              180-300              |                          +0.35/+0.15              |                          +0.45(0.55)/+0.25              |                          外径的0.25%              |                          0.80              |                          ±0.3              |                          ±0.4              |                              |              300-440              |                          +0.45/+0.20              |                          +0.55(0.65)/+0.30              |                          外径的0.25%,             但不超过0.9              |                          1.00              |                          ±0.3              |                          ±0.4              |                 *SN70-TC00501506BA *TC=产品型式 *S=骨架油封 *005=内径 *N=NBR(参照材料物性表) *015=外口 *70=70邵氏度(材料硬度) *06=高度 1 2 3 4 5  |