To'rt qatorli konusli rulmanlar turli prokat tegirmonlari uchun keng qo'llaniladi. Buning sababi shundaki, ularning ikkalasi ham 2 yo'nalishdagi yuklarga bardosh bera oladi. Tedin - og'ir sanoat uchun katta o'lchamli konusli rulmanlarni loyihalash va ishlab chiqarish bo'yicha professional.
Tedinning afzalliklari:
1. Yuqori tozalikdagi material:
Qattiqlashtirilgan material: DAYE po'lati yoki BAOSHAN po'lati GCr15SiMn, GCr18Mo, 100CrMo7-4 yoki import qilingan OVAKO po'lati;
Qoplamali material: DAYE po'lati yoki BAOSHAN po'lati G20Cr2Ni4A yoki import qilingan OVAKO po'lati va TIMKEN po'lati;
2. Yuqori aniqlik:
Prokat tegirmonlari uchun rulonli rulmanlar uchun: ISO darajasi P5, P4;
Z-tegirmonlar uchun zaxira rulmanlar uchun: ISO darajasi P4,
Xuddi shu mildagi barcha podshipniklarning interfeys balandligi farqi 0.005 mm dan kam yoki unga teng.
Qo'shni podshipniklarning devor qalinligi orasidagi farq 0.002 mm dan kam yoki unga teng.
3. Tojlangan ichki halqa, poyga va rulolar:TRB ning konusli roliklari: logarifmik profilli,
4. Rolikli profillar va o'lchamlarning izchilligi
Ikki qatorli va to'rt qatorli konusli rulmanlarning konusli rulmanlari shunchalik yaqin o'lchamli va geometrik tolerantliklarda ishlab chiqariladiki, ular deyarli bir xil. Bu yukning optimal taqsimlanishini ta'minlaydi, shovqin va tebranishlarni kamaytiradi va oldindan yuklashni yanada aniqroq sozlash imkonini beradi.
5. Charchoq hayotini yaxshilash
6. Shovqin tebranishini kamaytirish


| Rulman turi | To'rt qatorli konusli rulman, dyuym o'lchami |
| Raqamni yozing | LM772749D-710-710D |
| Komponentlar | 1 ta ichki ushlab turuvchi halqa, 2 ta tashqi tutuvchi halqa, 4 qatorli konusli roliklar, 4 ta katak, 2 ta ichki halqa, 3 ta tashqi halqa. |
| Hajmi | ID 489,026 x OD 634,873 x 320,675 mm |
| Aniqlik darajasi | P5 |
| Muhrlar | Muhrlarsiz |
| Qafas | Qayta ishlangan temir qafas |
| Asosiy yuk ko'rsatkichi Cr (kN) | 3850 |
| Asosiy yuk ko'rsatkichi Kor (kN) | 12600 |
| Eksenel tozalash | 0.35 - 0.41 |
Issiq teglar: to'rt qatorli konusli rulman lm772749d-710-710d, Xitoy, ishlab chiqaruvchilar, zavod, moslashtirilgan, sotiladi
| Asosiy o'lchamlar | Asosiy yuk ko'rsatkichlari | Belgilash | |||
| mm | mm | mm | Dinamik | Statik | |
| d | D | B | Cr/KN | Cor/KN | |
| 127 | 182.562 | 158.75 | 721 | 1500 | 48290DW/48220/48220D |
| 139.7 | 200.025 | 157.165 | 727 | 2000 | 48680D/48620/48620D |
| 140 | 210 | 185 | 604 | 1095 | 382028 |
| 152.4 | 222.25 | 174.625 | 1050 | 2470 | M231649D/M231610/M231610D |
| 165.1 | 225.425 | 165.1 | 809 | 2100 | 46791D/46720/46721D |
| 170 | 260 | 230 | 907 | 1720 | 382034 |
| 181.808 | 259.969 | 144.465 | 747 | 1210 | LM239530T/LM239546TD/LM239549T |
| 190.5 | 266.7 | 187.325 | 1250 | 3130 | 67885D/67820/67820D |
| 200 | 282 | 206 | 1117 | 2087 | 380640 |
| 203.2 | 317.5 | 266.7 | 1720 | 4330 | 93800DW/93125/93127D |
| 205 | 320 | 205 | 1254 | 1931 | 380641 |
| 206.375 | 282.575 | 210 | 1320 | 3800 | 206KV2857 |
| 220 | 295 | 315 | 1470 | 4360 | 380644-2LS |
| 220 | 300 | 230 | 1390 | 4080 | 382944X2 |
| 220 | 340 | 305 | 1500 | 3020 | 382044 |
| 220 | 340 | 305 | 2340 | 5520 | 382044/HCYB2 |
| 220.662 | 314.325 | 239.712 | 2050 | 5060 | M244249D/M244210/M244210D |
| 240 | 338 | 248 | 2020 | 5320 | 37248WF/DPICS130 |
| 240 | 360 | 310 | 2290 | 6240 | 382048/HC3 |
| 244.475 | 381 | 304.8 | 2310 | 5850 | EE126096DM/EE126150/EE126151D |
| 244.475 | 327.025 | 193.675 | 1720 | 4200 | LM247748DW/LM247710/LM247710D |
| 250 | 385 | 255 | 1913 | 4300 | 380650 |
| 250 | 365 | 270 | 1930 | 4750 | 250KVE3601AEg |
| 250 | 388 | 248 | 2020 | 5320 | 37248WF/DPISC130 |
| 254 | 358.775 | 269.875 | 2040 | 6220 | 47T513627AWF/DPGCS130 |
| 260 | 360 | 265 | 1920 | 5150 | 382952 |
| 260 | 380 | 200 | 1730 | 4000 | 382952 X3 |
| 260 | 400 | 255 | 2120 | 5010 | 380652 |
| 260 | 400 | 345 | 3750 | 7950 | 382052 |
| 260 | 440 | 330 | 3260 | 7600 | 477752 |
| 260 | 440 | 300 | 2597 | 5047 | 380152 |
| 260.35 | 422.275 | 314.325 | 3480 | 7800 | HM252349D/HM252310/HM252310D |
| 266.7 | 355.6 | 230.188 | 1643 | 5282 | LM451349DW/LM451310/LM451310D |
| 269.875 | 381 | 282.58 | 2710 | 6350 | M252349D/M252310/M252310D |
| 279.4 | 393.7 | 269.875 | 2240 | 6210 | EE135111D/EE135155/EE135156D |
| 279.4 | 393.7 | 269.875 | 2240 | 6210 | 47T563927AWH/DPGCS155 |
| 280 | 460 | 324 | 4100 | 7850 | 381156 |
| 292.1 | 422.275 | 269.875 | 2540 | 6710 | EE330116D/330166/330167D |
| 300 | 420 | 300 | 2253 | 4702 | 382960 |
| 300 | 460 | 390 | 3234 | 6832 | 382060 |
| 300 | 500 | 350 | 3950 | 8830 | 381060X2/HC |
| 300 | 500 | 370 | 3654 | 6776 | 381160 |
| 300.038 | 422.275 | 311.15 | 2960 | 8230 | HM256849D/HM256810/HM256810D/HG2 |
| 304.8 | 419.1 | 269.875 | 2500 | 7180 | M257149DW/M257110/M257110D |
| 304.8 | 501.65 | 336.55 | 4600 | 10600 | HM258949D/HM258910/HM258910D |
| 304.902 | 412.648 | 266.7 | 2880 | 7100 | M257248DW/M257210/M257210D |
| 310 | 410 | 310 | 2330 | 6790 | 380662-XRS/HCEP59-1/W281 |
| 317.5 | 447.675 | 327.025 | 2870 | 9280 | HM259049D/HM259010/HM259010D |
| 320 | 480 | 380 | 3470 | 9230 | 382064/YB2 |
| 320 | 460 | 338 | 3056 | 7164 | 380664 |
| 320 | 460 | 380 | 3100 | 8000 | 380664/YB2 |
| 340 | 520 | 325 | 4150 | 9120 | LY-3015 |
| 340 | 580 | 425 | 4236 | 8450 | 381168 |
| 340 | 460 | 310 | 2478 | 5782 | 382968 |
| 340 | 460 | 310 | 2680 | 7930 | 382968/HC C9 |
| 340 | 520 | 325 | 2898 | 5872 | 380068 |
| 341.312 | 457.098 | 254 | 2430 | 6870 | LM761648D/LM761610/LM761610D |
| 342.9 | 533.4 | 307.985 | 2990 | 7370 | 971355D/972100/972103D |
| 343.052 | 457.098 | 254 | 2475 | 6210 | LM761649DGW/LM761610/LM761610D |
| 343.052 | 457.098 | 254 | 2430 | 6870 | LM761649DW/LM761610/LM761611D |
| 343.052 | 457.098 | 254 | 2430 | 6870 | LM761649DW/LM761610/LM761612D |
| 343.052 | 457.098 | 254 | 2430 | 6870 | LM761649DW/LM761610/LM7616110D |
| 350 | 590 | 420 | 4732 | 8582 | 380670 |
| 355.6 | 457.2 | 252.413 | 2300 | 7420 | LM263149DW/LM263110/LM263110D |
| 355.6 | 482.6 | 265.112 | 3030 | 7640 | LM763449D/LM763410/LM763410D |
| 360 | 480 | 310 | 2760 | 8360 | 382972 |
| 360 | 480 | 375 | 3038 | 3038 | 380672 |
| 360 | 540 | 325 | 3388 | 6524 | 380072 |
| 380 | 560 | 325 | 3066 | 5754 | 380076 |
| 380 | 560 | 360 | 4850 | 12900 | 380676 |
| 380 | 620 | 420 | 5082 | 9604 | 381176 |
| 384.175 | 546.1 | 400.05 | 5500 | 16200 | HM266449D/HM266410/HM266410D |
| 385.762 | 514.35 | 317.5 | 3340 | 10200 | 3806/385.762-2LS |
| 390 | 510 | 350 | 3760 | 12100 | 380678/HC |
| 395 | 545 | 268.7 | 1946 | 4032 | 380679 |
| 400 | 540 | 280 | 1946 | 4032 | 380680 |
| 400 | 540 | 400 | 5260 | 11500 | 382980-2LS/YA3 |
| 400 | 540 | 400 | 4400 | 13800 | 382980/HC |
| 400 | 600 | 356 | 2618 | 6762 | 381080 |
| 406.4 | 565.15 | 381 | 4950 | 14400 | M267949DW/M267910/M267910D |
| 409.575 | 546.1 | 334.962 | 4460.09 | 11000 | 409KV5451GS3/C9 |
| 415.925 | 590.55 | 434.975 | 6820 | 18800 | M268749D/M268710/M268710D |
| 420 | 760 | 500 | 7987 | 13328 | 380684 |
| 420 | 700 | 480 | 7308 | 12360 | 381184 |
| 420 | 560 | 437 | 4950 | 15800 | 382084X3/HC |
| 420 | 620 | 356 | 3948 | 7616 | 381084 |
| 431.8 | 571.5 | 279.4 | 3470 | 9750 | LM869449D/LM869410/LM869410D |
| 440 | 620 | 454 | 5700 | 16000 | 440KVE6201EG |
| 440 | 620 | 454 | 3962 | 7882 | 380688 |
| 440 | 620 | 454 | 5710 | 18300 | 380688W |
| 440 | 650 | 355 | 5030 | 13500 | 380088FW |
| 440 | 650 | 355 | 6130 | 7400 | 380088E/YB2 |
| 440 | 650 | 376 | 4326 | 9072 | 380088 |
| 457.2 | 596.9 | 276.225 | 3090 | 9300 | L770847DW/L770810/L770810D |
| 460 | 620 | 310 | 3402 | 7350 | 381992 |
| 460 | 650 | 474 | 5292 | 11270 | 380692 |
| 460 | 680 | 410 | 5665 | 11235 | 380092 |
| 460 | 730 | 440 | 6062 | 11438 | 380692/YB2 |
| 480 | 700 | 420 | 5922 | 12600 | 380096 |
| 482.6 | 615.95 | 425 | 4110 | 13700 | 3806/482.6-2LS/YA3 |
| 488.95 | 622.3 | 365.125 | 4900 | 14400 | 3806/488.95 |
| 488.95 | 622.3 | 365.125 | 3350 | 11100 | 3806/488.95-2LS/YA3 |
| 490 | 625 | 385 | 4510 | 15100 | 490KV6201GS3/C9 |
| 500 | 720 | 420 | 5950 | 12768 | 3800/500 |
| 501.65 | 711.2 | 520.7 | 7300 | 25600 | 3-755 |
| 501.65 | 711.2 | 520.7 | 7130 | 21200 | 3806/501.65-2LS/YA3 |
| 508 | 762 | 463.55 | 9500 | 22700 | EE531201D/EE531300/531301XD |
| 508 | 762 | 463.55 | 7140 | 17800 | 3806/508-2LS/YA3 |
| 530 | 730 | 535 | 8510 | 26800 | 3806/530/HC YB |
| 530 | 780 | 450 | 7602 | 15960 | 3800/530 |
| 530 | 870 | 590 | 10038 | 20300 | 3811/530 |
| 530 | 880 | 544 | 9394 | 18340 | 3806/530 |
| 558.8 | 736.6 | 593.72 | 7370 | 24500 | LM277149DAJ2/LM277110J2/LM277110DJ2 |
| 558.8 | 736.6 | 409.575 | 6010 | 19100 | LM377448DW-1/LM377410-1/LM377410CD |
| 560 | 750 | 368 | 4424 | 10374 | 3819/560 |
| 560 | 920 | 620 | 12138 | 20300 | 3811/560 |
| 570 | 810 | 590 | 10900 | 34600 | 3806/570 |
| 571.5 | 812.8 | 593.72 | 12500 | 35000 | M278749D/M278710/M278710D |
| 584.2 | 762 | 369.875 | 6030 | 20400 | LM778549DGW/LM778510/LM778510D |
| 585.788 | 771.525 | 479.425 | 7610 | 24600 | LM278849DW-1/LM278810-1/LM278810D-1 |
| 585.788 | 771.525 | 479.425 | 7710 | 25100 | LM278849D/LM278810/LM278810D |
| 585.788 | 771.525 | 479.425 | 7710 | 25100 | LM278849DG/LM278810/LM278810D |
| 600 | 800 | 380 | 4728 | 11652 | 3819/600 |
| 600 | 870 | 480 | 7212 | 15960 | 3800/600 |
| 600 | 980 | 650 | 11808 | 24480 | 3811/600 |
| 625 | 815 | 480 | 8870 | 30400 | BT4-8031E/C800 |
| 630 | 850 | 418 | 7472 | 17600 | 3819/630 |
| 630 | 920 | 515 | 9975 | 20860 | 3800/630 |
| 630 | 1030 | 670 | 10755 | 31080 | 3811/630 |
| 650 | 1030 | 560 | 11466 | 22050 | 3806/650 |
| 660 | 1070 | 640 | 12600 | 26500 | 3806/660 |
| 660.011 | 855.015 | 319.99 | 5490 | 17700 | 660KV8552GS3 |
| 670 | 900 | 412 | 7545 | 17360 | 3819/670 |
| 685.8 | 876.3 | 352.42 | 7400 | 22200 | EE655271DW/655345/655346D |
| 685.8 | 876.3 | 352.42 | 5200 | 16500 | 3806/685.8-2LS/YA3 |
| 710 | 1150 | 750 | 15840 | 33960 | 3811/710 |
| 710 | 1030 | 555 | 9828 | 22560 | 3800/710 |
| 711.2 | 914.4 | 390 | 6060 | 18700 | 3806/711.2-2LS/YA3 |
| 711.2 | 899.4 | 390 | 7030 | 24000 | 3806/711.2 |
| 711.2 | 914.4 | 390 | 6060 | 18700 | 3806/711.2-2LS/YA4 |
| 750 | 1090 | 605 | 11580 | 26760 | 3800/750 |
| 750 | 1130 | 690 | 12720 | 27960 | 3806/750 |
| 750 | 1220 | 840 | 18590 | 41470 | 3811/750 |
| 750 | 1220 | 840 | 18590 | 41470 | 3811/750/YA |
| 750 | 1220 | 840 | 18590 | 41470 | 3811/750/YA1 |
| 800 | 1240 | 850 | 20600 | 67200 | 3811/800 X1 |







