Bantalan Super Presisi dirancang untuk memenuhi persyaratan aplikasi yang menuntut: akurasi tinggi, kecepatan rotasi tinggi, dan kekakuan tinggi.
Bantalan rol silang: SERI RU | Nomor identifikasi | Dimensi utama | | Tinggi bahu | Peringkat beban dasar （radial） |
| lingkar dalam | cincin luar | Diameter lingkaran pitch roller dp | lebar | r(menit) | ds | Dh | C | C0 |
| d | D | B B1 | kN | kN |
| RU42 | 20 | 70 | 41.5 | 12 | 0,6 | 37 | 47 | 7.35 | 8.35 |
| RU66 | 35 | 95 | 66 | 15 | 0,6 | 59 | 74 | 17.5 | 22.3 |
| RU88 | 55 | 120 | 85 | 15 | 0,6 | 79 | 93 | 20.3 | 29.5 |
| RU124(G) | 80 | 165 | 124 | 22 | 1 | 114 | 134 | 33.1 | 50.9 |
| RU124X | 80 | 165 | 124 | 22 | 1 | 114 | 134 | 33.1 | 50.9 |
| RU148(G) | 90 | 210 | 147.5 | 25 | 1.5 | 133 | 162 | 49.1 | 76.8 |
| RU148X | 90 | 210 | 147.5 | 25 | 1.5 | 133 | 162 | 49.1 | 76.8 |
| RU178(G) | 115 | 240 | 178 | 28 | 1.5 | 161 | 195 | 80.3 | 135 |
| RU178X | 115 | 240 | 178 | 28 | 1.5 | 161 | 195 | 80.3 | 135 |
| RU228(G) | 160 | 295 | 227.5 | 35 | 2 | 208 | 246 | 104 | 172 |
| RU228X | 160 | 295 | 227.5 | 35 | 2 | 208 | 246 | 104 | 172 |
| RU279(G) | 210 | 380 | 297.3 | 40 | 2.5 | 272 | 320 | 156 | 281 |
| RU279X | 210 | 380 | 297.3 | 40 | 2.5 | 272 | 320 | 156 | 281 |
| RU445(G) | 350 | 540 | 445.4 | 45 | 2.5 | 417 | 473 | 222 | 473 |
