по DIN 616/ISO 104, центрируемые по внутренней поверхности
 |  Осевая нагрузка в одном направлении |
| Тугое кольцо | dmm | d1mm | Bmm | Тугое кольцо | dmm | d1mm | Bmm | |
| WS81102 | 15 | 28 | 2,75 | WS81120 | 100 | 135 | 7 | |
| WS81103 | 17 | 30 | 2,75 | WS81122 | 110 | 145 | 7 | |
| WS81104 | 20 | 35 | 2,75 | WS81124 | 120 | 155 | 7 | |
| WS81105 | 25 | 42 | 3 | WS81126 | 130 | 170 | 9 | |
| WS81106 | 30 | 47 | 3 | WS81128 | 140 | 178 | 9,5 | |
| WS81107 | 35 | 52 | 3,5 | WS81130 | 150 | 188 | 9,5 | |
| WS81108 | 40 | 60 | 3,5 | WS81132 | 160 | 198 | 9,5 | |
| WS81109 | 45 | 65 | 4 | WS81134 | 170 | 213 | 10 | |
| WS81110 | 50 | 70 | 4 | WS81136 | 180 | 222 | 10 | |
| WS81111 | 55 | 78 | 5 | WS81138 | 190 | 237 | 11 | |
| WS81112 | 60 | 85 | 4,75 | WS81140 | 200 | 247 | 11 | |
| WS81113 | 65 | 90 | 5,25 | WS81144 | 220 | 267 | 11 | |
| WS81114 | 70 | 95 | 5,25 | WS81148 | 240 | 297 | 13,5 | |
| WS81115 | 75 | 100 | 5,75 | WS81152 | 260 | 317 | 13,5 | |
| WS81116 | 80 | 105 | 5,75 | WS81156 | 280 | 347 | 15,5 | |
| WS81117 | 85 | 110 | 5,75 | WS81160 | 300 | 376 | 18,5 | |
| WS81118 | 90 | 120 | 6,5 | WS81164 | 320 | 396 | 19 |