Four-Row Cylindrical Roller Bearings

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Four-Row Cylindrical Roller Bearings

Four-row cylindrical roller bearings are high-capacity precision bearings specifically designed to handle extremely heavy radial loads. Their four-row roller arrangement ensures uniform load distribution and higher stiffness, making them a crucial component for heavy machinery and high-load industrial applications.

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Principal dimensions Basic load ratings dynamic Static Mass Bearing No.
d[mm] D[mm] B[mm] C[mm] C[kN] C0[kN] kg
127 174.65 150.812 150.812 702 1188 10.6 BC4-0093 
145 210 155 155 882 1404 18 BC4-0101 
145 225 156 156 990 1467 23.7 BC4-0105 
150 230 156 156 1008 1494 24.1 BC4-0096 
160 230 168 168 1008 1980 23.5 315189 A 
160 230 168 168 1161 1980 23.8 BC4-0103 
160 230 130 130 868.5 1206 17.3 BC4-0108 
165.1 225.45 168.3 168.3 990 2016 19.8 315642/VJ202 
165.1 225.45 168.3 168.3 1125 2016 20 BC4-0111 
170 230 160 160 1233 2124 18.3 BC4-0118 
170 240 130 130 1026 1647 19 BC4-0119 
180 260 168 168 1404 2250 30.1 BC4-0114 
190 260 168 168 1287 2340 26.7 BC4-0098 
190 270 200 200 1620 2835 37.2 BC4-0109 
190 280 200 200 1872 2925 41.5 BC4-0116 
200 270 200 200 1530 2880 33 BC4-0051 
200 280 200 200 1674 3015 39.6 BC4-0092 
200 280 170 170 1530 2700 33.4 BC4-0095 
200 290 192 192 1737 2880 43 BC4-0106 
200 270 170 170 1287 2430 28.5 BC4-0113 
220 310 225 225 2052 3645 53.8 BC4-0097 
220 310 192 192 1710 3195 49 BC4-0117 
230 330 206 206 2088 3600 58.6 BC4-0112 
240 330 220 220 1944 3870 58.2 BC4-0099 
260 370 220 220 2430 4185 77.9 BC4-0110 
280 390 275 275 3375 6255 102 BC4-0100 
280 390 220 220 2520 4500 87.2 BC4-0107 
280 420 250 250 3321 5895 133 NNUD 6056 ECMAS/P53 
300 420 300 300 3960 7470 130 BC4-0094 
300 420 300 300 3960 7470 134 BC4-0124 
340 450 250 250 2295 5400 115 BC4-8050 
340 500 370 370 4707 10620 260 BC4B 322261/HB1 
350 500 410 410 5247 12330 285 BC4B 322777/HB1 
350 520 300 300 4212 8100 220 BC4B 326909 A/HA3 
350 520 300 300 4212 8100 220 BC4B 326909/HA3 
355.6 482.6 269.87 269.87 2673 5760 150 BC4-8022/HA1 
356.67 550 400 400 4752 13500 335 BC4B 457939 VAA 
360 500 250 250 3519 6615 145 BC2B 320075/VJ202 
360 500 250 250 3960 7650 160 BC2B 322217/VJ202 
380 540 400 380 5445 12600 300 BC4B 320989/HA3 
380 560 325 325 4707 9540 270 BC4B 322264/HB1 
400 590 440 440 7128 14940 415 315802/VJ202 
400 560 300 300 4212 9180 245 BC4-8059 
420 600 440 440 6489 15840 400 313513
420 580 320 320 4212 9720 250 313555 B/VJ202 
431.5 571.5 310 310 4014 9180 200 BC4-8037/HA1VA907 
431.5 571.5 300 300 4014 9180 210 BC4B 326361 B/HA1 
440 660 340 340 6489 12330 436 635043
450 590 300 300 3519 10800 245 315811 E 
460 650 424 424 7425 16470 454 315196 A 
460 650 460 424 7029 16470 490 BC4B 322993 A/HA7 
475 600 392 392 4950 13140 240 BC4-8003/HA1VA907 
475 600 368 368 4950 13140 235 BC4B 326261/HA1 
480 680 420 420 8217 17370 496 319320
487.98 637 350 350 5796 13770 300 BC2B 326196/HA1VJ202 
500 670 450 450 7425 19800 460 316083 A 
500 650 260 260 3960 9180 225 319254/VJ202 
500 680 450 450 7425 19800 500 BC4B 316515 
500 670 480 450 7425 19800 485 BC4B 322039/HA1 
500 720 400 400 7722 15840 544 BC4B 322066 
500 738 500 500 9720 20880 735 BC4B 326853/HB1 
510 760 550 550 10890 23850 950 BC4-8007/HB1 
510 730 520 520 9180 19800 750 BC4-8009/HB1 
510 680 500 500 8712 23400 522 BC4B 319411 
529.91 870 670 670 15120 30150 1660 312844/VJ202 
536.176 762.03 558.8 558.8 10260 26100 840 313535 D 
550 740 510 510 9900 24300 630 316691
556 800 580 580 9450 22950 900 BC4-8046/HB1 
559.84 920 710 710 18090 40950 2000 313189 A 
560 820 600 600 12780 30600 1080 BC4B 322930/HA4 
600 820 575 575 12600 32400 962 315175 C 
600 870 578 540 11880 28350 1150 BC4B 322497/HA4 
606.667 920 640 640 14850 40500 1525 315526
620 820 475 475 9090 23850 700 BC4-8041/HA4 
633.334 960 680 680 15120 40500 1730 BC4B 457969 
660 820 440 440 7281 20520 514 239509 FA 
750 1090 750 750 19440 45900 2420 BC4-8066/HA3 
759 1210 740 740 22950 76500 3480 313685 B 
760 1080 790 790 21420 58950 2440 312979 D 
780 1070 780 780 21780 54900 2182 BC4-8015/HB1 
820 1100 745 720 19080 51300 2000 BC4B 316341/HA4 
850 1150 840 840 24750 67500 2570 315826 B 
850 1180 850 850 25290 66150 2900 BC4-8021/HB1 
900 1280 780 780 25740 57600 3320 BC4-8067/HA3 
937.5 1270.25 825.5 825.5 25290 74700 3160 315265
1040 1440 1000 1000 34200 83700 5100 BC4-8062/HA1 
1300 1655 890 880 36180 109800 4800 BC4-8016/HA4 
1350 1765 1360 1360 36180 109800 9100 BC4-8029/HA4 
1400 1900 1360 1360 55440 164700 11300 BC4-8005/HA4 
1400 1780 1200 1200 47070 146700 7510 BC4-8042/HA4 
Engineering the Future of Motion
About UKL
Founded in 2020, UKL Bearing Manufacturing Co., Ltd. (Wuxi) is China Four-Row Cylindrical Roller Bearings suppliers and OEM/ODM Four-Row Cylindrical Roller Bearings company, an integrated industrial and trading enterprise that focuses on precision manufacturing, combining R&D, production, and sales.
The company specializes in high-performance bearing solutions, providing technical support for global industries with exceptionally high demands for precision and reliability.

With more than 200 skilled professionals and a fully modernized production base, UKL’s facilities cover the entire manufacturing process — forging, annealing, turning, heat treatment, grinding, and automated assembly.
Leveraging over 15 years of OEM/ODM export experience, UKL responds quickly to customer needs, offering flexible and customized services for clients across Europe, Asia, Africa, and the Middle East.

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Ukl Bearing Manufacturing Co.,Ltd
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