Umuman olganda, burchakli kontaktli podshipniklar va silindrsimon rulmanlar yuqori-tezkor ish joylarida foydalanish uchun javob beradi; konusli rulmanlar past tezlikda ishlaydigan-ish joylarida ishlatilishi mumkin.
Rulmanlar past chegara tezligiga ega va faqat past tezlikli joylar uchun javob beradi.
Xuddi shu turdagi rulmanlar uchun spetsifikatsiya qanchalik kichik bo'lsa, ruxsat etilgan aylanish tezligi shunchalik yuqori bo'ladi. Rulman modelini tanlashda, chegara tezligidan kamroq haqiqiy tezlikka e'tibor bering.
Amaliy dasturda rulman modelini tanlaganingizda, yuqoridagi ehtiyojlarga ko'ra tanlashingiz mumkin.
To'rt nuqtali kontaktli rulmanlar eng ko'p sotilgan ro'yxati
| Model nomi | O'lchamlari | vazn |
| QJ206 | 30x62x16 | 0.24 |
| QJ306 | 30x72x19 | 0.42 |
| QJ307 | 35x80x21 | 0.57 |
| QJ207 | 35x72x17 | 0.35 |
| QJ208 | 40x80x18 | 0.45 |
| QJ308 | 40x90x23 | 0.78 |
| QJ209 | 45x85x19 | 0.52 |
| QJ309 | 45x100x25 | 1.05 |
| QJ210 | 50x90x20 | 0.59 |
| QJ310 | 50x110x27 | 1.35 |
| QJ211 | 55x100x21 | 0.77 |
| QJ311 | 55x120x29 | 1.75 |
| QJ212 | 60x110x22 | 0.99 |
| QJ312 | 60x130x31 | 2.15 |
| QJ313 | 65x140x33 | 2.7 |
| QJ213 | 65x120x23 | 1.2 |
| QJ314 | 70x150x35 | 3.15 |
| QJ214 | 70x125x24 | 1.3 |
| QJ215 | 75x130x25 | 1.45 |
| QJ315 | 75x160x37 | 3.9 |
| QJ216 | 80x140x26 | 1.85 |
| QJ316 | 80x170x39 | 4.6 |
| QJ217 | 85x150x28 | 2.25 |
| QJ1017 | 85x130x22 | 1.1 |
| QJ1018 | 90x140x24 | 1.45 |
| QJ317 | 85x180x41 | 5.45 |
| QJ318 | 90x190x43 | 6.45 |
| QJ218 | 90x160x30 | 2.75 |
| QJ219 | 95x170x32 | 3.35 |
| QJ319 | 95x200x45 | 7.45 |
| QJ220 | 100x180x34 | 4.05 |
| QJ320 | 100x215x47 | 9.3 |
| QJ1021 | 105x160x26 | 2 |
| QJ1022 | 110x170x28 | 2.5 |
| QJ322 | 110x240x50 | 12.5 |
| QJ222 | 110x200x38 | 5.6 |
| QJ324 | 120x260x55 | 16 |
| QJ224 | 120x215x40 | 6.95 |
| QJ326 | 130x280x58 | 19.5 |
| QJ226 | 130x230x40 | 7.75 |
| QJ228 | 140x250x42 | 9.85 |
| QJ328 | 140x300x62 | 24 |
| QJ230 | 150x270x45 | 12.5 |
| QJ330 | 150x320x65 | 29 |
| QJ1030 | 150x225x35 | 5.25 |
| QJ332 | 160x340x68 | 34.5 |
| QJ232 | 160x290x48 | 15.5 |
| QJ1032 | 160x240x38 | 6.45 |
| QJ334 | 170x360x72 | 41.5 |
| QJ234 | 170x310x52 | 19.5 |
| QJ236 | 180x320x52 | 20.5 |
| QJ336 | 180x380x75 | 47.5 |
| QJ338 | 190x400x78 | 49 |
| QJ238 | 190x340x55 | 23.3 |
| QJ1038 | 190x290x46 | 11.5 |
| QJ1040 | 200x310x51 | 15 |
| QJ240 | 200x360x58 | 28.5 |
| QJ1240 | 200x360x70 | 32.5 |
| QJ344 | 220x460x88 | 78 |
| QJ1244 | 220x400x78 | 45.5 |
| QJ1248 | 240x440x85 | 61 |
| QJ248 | 240x440x72 | 53.2 |
| QJ252 | 260x480x80 | 68 |
| QJ1252 | 260x480x90 | 78 |
| QJ1256 | 280x500x90 | 82 |
| QJ1056 | 280x420x65 | 33.5 |
| QJ1260 | 300x540x98 | 105 |
| QJ1060 | 300x460x74 | 47.5 |
| QJ1264 | 320x580x105 | 130 |
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