Demy

Fouble row cylindrical roller bearing
Fouble row cylindrical roller bearing

Cylindrical Roller Bearings

Fouble row cylindrical roller bearing

Description:

The double row cylindrical roller bearing is a type of rolling-element bearing that consists of two rows of cylindrical rollers guided by inner and outer rings. These bearings are designed to accommodate heavy radial loads and moderate axial loads in both directions. Double row cylindrical roller bearings offer several advantages, including higher radial load capacity compared to single row bearings, increased stiffness, and the ability to accommodate axial loads in both directions. They are commonly used in various industrial applications such as machine tools, gearboxes, rolling mills, and mining equipment where high radial loads and moderate axial loads are present.

Product Detail

         
                       
?90 140 70 70 1.5 1.1 105.0 123.0 6.5 4 FC182870 230 425 3.78 -
100 140 70 70 1.5 1.1 111.0 125.4 - - 672820Y* 190 435 3.10 -
100 140 70 70 1.5 1.1 111.0 125.9 - - 592820Y* 207 435 3.08 -
100 140 104 104 1.5 1.1 111.0 125.4 8.0 4 672720* 300 775 4.99 -
110 170 90 90 2.0 2.0 127.0 155.0 - - FC223490 428 692 7.40 -
120 165 87 87 1.1 1.1 134.5 154.5 - - FC243387 374 745 5.60 -
120 180 105 105 2.0 2.0 149.0 160.0 6.5 4 672724* 375 770 9.13 -
130 200 125 125 2.0 2.0 149.0 174.0 6.5 4 FC2640125 530 1200 14.60 -
140 210 125 125 2.0 2.0 158.0 188.0 9.5 5 672728* 540 1160 14.70 -
140 210 155 155 2.0 2.0 166.0 190.9 - - 172828U* 630 1610 18.10 -
145 210 155 155 2.0 2.0 166.0 190.9 - - 672829* 630 1610 18.30 *ͬFC

170 250 170 170 2.1 2.1 192.0 225.0 9.5 5 FC3450170Q1/HG2YA4 1020 2590 28.9 -
170 260 120 120 2.1 2.1 195.0 228.0 9.5 5 FC3452120 660 1790 24.6 -
180 250 156 156 2.0 2.0 200.0 234.0 - - FC3650156 1050 2200 23.3 -
180 260 124 124 2.1 2.1 202.0 234.8 9.5 5 FC3652124 735 1730 21.7 -
180 260 168 168 2.1 2.1 202.0 234.8 12.0 6 FC3652168 1070 2790 30.2 -
180 260 168 168 2.1 2.1 202.0 234.8 12.0 6 FC3652168/YA3 1070 2790 30.1 -
180 260 168 168 2.1 2.1 202.0 234.8 9.5 5 FC3652168Q1/HG2YA4 1390 2790 30.6 -
180 260 180 180 2.1 2.1 202.0 234.8 12.0 6 FC3652180 1140 3000 31.5 -
190 260 168 168 2.1 2.1 212.0 238.6 9.5 5 672838* 880 2570 22.6 -
190 270 168 168 2.1 2.1 212.0 245.2 9.5 5 FC3854168 950 2430 30.2 -
190 270 168 168 2.1 2.1 212.0 245.2 9.5 5 FC3854168/YA3 950 2430 29.9 -
190 270 168 168 2.1 2.1 212.0 245.2 9.5 5 FC3854168Q1/HG2C9YC4 1045 2430 30.8 -
190 270 170 170 2.1 2.1 212.0 245.2 9.5 5 FC3854170/YA3 950 2430 30.2 -
190 270 200 200 2.1 2.1 212.0 245.2 15.0 7 672738 1170 3180 35.0 -
200 270 170 170 2.1 2.1 222.0 246.5 9.5 5 FC4054170Q1/YA3 785 2270 28.7 *?FC??
200 270 170 170 2.1 2.1 222.0 246.5 - - FC4054170Q1/HG2C4Y 785 2270 28.7 (??????)
200 280 188 188 2.1 2.1 222.0 255.0 9.5 5 FC4056188 985 2580 35.7 -
200 280 200 200 2.0 2.0 222.0 262 - - FC4056200 1450 3090 37.7 -
200 290 192 192 2.1 2.1 226.0 262 15.0 6 FC4058192 1240 3250 40.9 -
210 300 210 210 2.1 2.1 234.0 271 9.5 5 672742* 1420 3950 48.3 -
210 300 210 210 2.1 2.1 234.0 271 9.5 5 672742U* 1420 3950 48.3 -
220 300 150 150 2.1 2.1 240.0 280 - - FC4460150 1210 2500 30.7 -
220 310 192 192 2.1 2.1 246.0 282.5 15.0 6 FC4462192/YA3 1300 1910 45.8 -
220 310 192 192 2.1 2.1 246.0 282.5 15.0 6 FC4462192 1300 1910 45.8 -
220 310 225 225 0.6 2.1 244.0 280.0 - - FC4462225 1450 4050 53.9 -
220 320 210 210 2.1 2.1 248.0 287.0 - - 672844Y* 1430 3800 56.5 -
220 340 200 200 4.0 4.0 250.0 308.3 15.0 6 FC4468200/YB2 1630 3550 63.4 -
230 330 206 206 2.1 2.1 260.0 296.0 9.5 5 FC4666206/YA3 1350 3800 56.5 -
230 340 260 260 3.0 3.0 261.0 313.0 - - FC4668260 2310 4900 81.2 -
240 330 220 220 2.1 2.1 264.0 301.0 9.5 5 FC4866220/YA3 1620 4850 56.5 -
240 330 220 220 2.1 2.1 264.0 301.0 - - FC4866220 1620 4850 56.7 -
240 340 192 192 2.1 2.1 265.0 308.0 9.5 5 FC4868192A 1310 3380 52.8 -
240 360 200 200 2.1 2.1 272.0 318.0 12.0 6 FC4872220 1700 4410 78.0 -
240 360 220 220 2.5 2.5 272.0 320.0 - - FC4872220A/C4YA3 1700 4410 78.0 -
240 360 220 220 2.1 2.1 272.0 320.0 9.5 5 FC4872220Q1/HG2YA4 2210 4410 78.4 -
250 350 220 220 3.0 3.0 278.0 326.0 - - FC5070220 1930 4200 64.6 -
250 360 220 220 3.0 3.0 282.0 320.0 9.5 5 FC5072220/YA3 1500 4250 76.9 -
260 360 200 200 3.0 3.0 288.0 328.0 9.5 5 FC5272200/YA3B2 1610 4650 63.0 -
260 360 260 260 2.1 2.1 287.0 335.0 - - FC5272260 2300 5320 80.0 -
260 400 335 335 1.0 3.0 294.0 370.0 - - FC5280335 3750 7340 149.0 -
260 370 200 200 3.0 3.0 292.0 335.2 15.0 6 FC5274200 1570 4250 73.0 -
260 370 220 220 3.0 3.0 292.0 335.5 9.5 5 FC5274220/YA3 1760 4900 79.2 *?FC??
260 370 220 220 3.0 3.0 292.0 335.5 9.5 5 FC5274220 1760 4900 80.0 (??????)
270 380 230 230 3.0 3.0 298.0 346.0 9.5 5 FC5476230/YA3 1720 4800 80.2 -
270 390 236 236 3.0 3.0 312.0 352.0 9.5 5 FC5478236 2100 5950 97.8 -
280 380 170 170 2.1 2.1 306.0 356.0 - - FC5676170 1710 3590 55.0 -
280 390 220 220 3.0 3.0 312.0 355.5 12.0 6 FC5678220 1790 5150 86.5 -
280 390 275 275 1.5 1.1 308.0 354.2 9.5 5 FCDP5678275 2200 6250 102.0 -
280 410 300 300 4.0 4.0 313.0 367.0 - - 572856W* 2840 7720 132.0 -
300 420 240 240 4.0 4.0 332.0 382.0 15.0 8 672760* 2200 6300 111.0 -
300 420 240 240 4.0 4.0 332.0 382.0 15.0 8 672760Y* 2200 6300 111.0 -
300 420 300 300 3.0 3.0 332.0 394.0 - - FC60B4300 3250 7270 127.0 -
320 450 240 240 4.0 4.0 355.0 412.0 12.0 6 FC6490240/YA3 2460 6720 119.0 -
320 460 340 340 3.0 3.0 360.0 428.0 12.0 6 FC6492340 3860 8730 187.0 -
330 460 340 340 3.0 3.0 360.0 428.0 - - FC6692340 3860 9150 172.0 -
340 450 250 250 2.1 2.1 368.0 424.0 - - FC6890250 2750 6480 106.0 -
350 500 380 380 6.0 3.0 388.0 450.0 12.0 6 972770K* 3550 10200 225.0 -
360 480 290 290 3.0 3.0 392.0 452.0 - - FCD72102370 3850 11400 220.0 -
360 510 370 370 4.0 4.0 397.0 460.0 12.0 6 FC7296290 3470 8510 145.0 -
370 520 380 380 1.5 1.5 409.0 474.0 12.0 6 FCDP74104380 3900 12000 296.0 -
370 520 400 400 5.0 5.0 413.0 481.0 12.0 6 FCD7480400 4740 11900 268.0 -
380 540 400 400 5.0 5.0 424.0 504.0 - - FC76108400 5200 12100 287.0 -
390 550 400 400 5.0 5.0 434.0 510.0 - - FCD78110400 5130 12400 296.0 *?FC??
400 550 300 300 5.0 5.0 442.0 502.0 12.0 6 672780* 3200 5050 223.0 (??????)
400 560 410 410 2.0 5.0 445.0 525.0 12.0 6 FCD80112410 6330 15800 315.0 -
420 560 280 280 4.0 4.0 457.0 527.0 - - FC84112280 3930 9400 189.0 -
440 620 450 450 5.0 5.0 487.0 563.0 15.0 8 FCDP88124450 5200 15800 452.0 -
440 620 450 450 5.0 5.0 487.0 563.0 15.0 8 FCDP88124450/YA6 5200 15800 452.0 -
450 630 450 450 4.0 4.0 500.0 590.0 - - FCD90126450 6820 16600 433.0 -
460 620 400 400 4.0 4.0 502.0 582.0 - - FCDP92124400 6510 17000 350.0 -
460 650 470 470 6.0 6.0 509.0 609.0 - - FCDP92130470 8990 22200 494.0 -
480 650 450 450 6.0 6.0 525.0 593.0 15.0 8 FCD96130450 4750 15400 419.0 -
480 680 460 460 5.0 5.0 532.0 632.0 - - FCDP96136460 8620 21300 545.0 -
480 680 500 500 5.0 5.0 534.0 642.0 - - FCD96136500 8620 22000 580.0 -
500 670 450 450 6.0 6.0 540.0 615.0 15.0 7 FC100134450/P69 6100 20100 446.0 -
500 670 450 450 6.0 6.0 540.0 617.0 15.0 8 FCD100134450/P69HCYA3 7850 23700 460.0 -
500 690 510 510 5.0 5.0 552.0 642.0 - - FCD100138510 9010 24600 590.0 -
520 735 535 535 5.0 5.0 574.5 680.5 - - FCD104147535 10500 27200 738.0 -
530 780 570 570 6.0 6.0 595.0 719.0 - - FCD106B0570 12500 30600 952.0 -
560 800 600 600 7.5 7.5 620.0 740.0 - - FCD112160600 13000 33400 1010.0 -
570 750 530 530 6.0 6.0 622.0 690.0 - 8 6727/570* 7000 26600 625.0 -
570 815 594 594 6.0 6.0 628.0 758.0 - - FCDP114163594 13100 32100 1010.0 -
610 870 660 660 6.0 6.0 680.0 808.0 - - FCDP122174660 15200 40300 1310.0 -
630 920 515 515 7.5 7.5 700.0 825.0 25.0 12 66721/630K* 10700 17160 1182.0 *?FC??
650 920 690 690 7.5 7.5 724.0 856.0 25.0 12 FCDP130184690 16700 45500 1490.0 (??????)
700 980 700 700 6.0 6.0 774.0 914.0 - - FCDP140196700 17800 48200 1680.0 -
725 1000 700 700 6.0 6.0 796.0 936.0 - - FCDP145200700 18100 49700 1740.0 -
800 1080 700 700 3.0 3.0 878.0 982.0 23.5 12 FCDP160216700/HC 12600 48500 1850.0 -
800 1080 750 880 6.0 6.0 - 1010.0 23.5 12 FCDP160216750 18400 55000 2020.0 -
850 1180 850 850 7.5 7.5 940.0 1104.0 - - FCDP170236850 25400 72700 2900.0 -
950 1300 850 850 7.5 7.5 1044.0 1182.0 30.0 14 FCDP190260850/C9HCYA3 23000 85000 3390.0 -
950 1300 850 850 10.0 10.0 1044.0 1182.0 30.0 16 6727/950* 21500 80500 3390.0 -
950 1300 850 850 10.0 10.0 1044.0 1186.8 32.0 12 E6727/950K* 17900 64000 3360.0 -
1030 1380 850 850 7.5 7.5 1124.0 1296.0 - - FCDP206276850 29800 90900 3680.0 -



Basic dimensions(mm) Basic load rating(KN) Bearing number Abutment and fillet dimensions

mm
Weight

kg
d D B C rmin r1min Fw Cr Cor D1(min) b(max) k(max)
1030 1380 850 850 7.5 7.5 1124 29000 90500 FCDP206276850 1258 22.3 12 3650
1040 1440 1000 1000 7.5 27 20 1133 37900 93500 FCDP2082881000 1335 22.3 12 5090
1200 1590 1050 1050 6 30 20 1305 41800 13500 FCDP2403181050 1465 24 15 5980
1270 1602 850 850 7.5 7.5 1354 42000 13600 FCDP254320850X1 1568 22.3 12 6000
1300 1655 890 880 7.5 7.5 1391 37300 122000 FCDP260331880HC/WB 1552 22.3 12 4800
1350 1765 1360 1360 7.5 42 20 1457 40000 122000 FCDP2703531360 1620 22.3 12 9110
1400 1780 1200 1200 9.5 40 20 1493 52300 163000 FCDP2703561200 1671 - 12 7380
1400 1900 1360 1360 12 40 20 1521 61500 182000 FCDP2703801360 1670 22.3 12 11300
1480 1849.74 1100 1100 7.5 7.5 1574 52500 164000 FCDP296370110X1 1700 22.3 12 7450
About us
Ningbo Demy (D&M) Bearings Co., Ltd.
Ningbo Demy (D&M) Bearings Co., Ltd.
Ningbo Demy (D&M) Bearings Co., Ltd. is professional China Fouble row cylindrical roller bearing Suppliers and Wholesale Fouble row cylindrical roller bearing Manufacturers.Located on the coast of Eastern China, in the beautiful and ancient city of Ningbo, is a rising star enterprise, Ningbo Demy (D&M) Bearings Co., LTD. Its subsidiary company – Ningbo Giant Bearing manufacturing Co., Ltd specializes in high class quality bearings for industrial and automotive applications.
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Cylindrical Roller Bearings Industry knowledge

Fouble row cylindrical roller bearing Advantages of double row roller design

The double row roller design is the core feature of Four Row Cylindrical Roller Bearing. Compared with the traditional single row roller design, the double row roller design has significant structural advantages. By arranging two rows of cylindrical rollers inside the bearing, the bearing can more effectively disperse pressure and improve the load-bearing capacity when bearing load. The double-row roller design also enables the bearing to have better stability and impact resistance when subjected to impact loads.

1. Advantages of double row roller design
High load-bearing capacity: The double-row roller design allows the Four Row Cylindrical Roller Bearing to disperse pressure when bearing load, thus improving the load-bearing capacity. This design enables the bearing to operate stably under heavy load conditions, reducing the risk of bearing damage and equipment failure due to overload. The double-row roller design also makes the bearing have better stability and stability when subjected to impact loads. Impact resistance effectively extends the service life of the bearings.
High transmission efficiency: The double row roller design enables Four Row Cylindrical Roller Bearing to have lower friction loss and higher transmission efficiency during the transmission process. Since two rows of rollers participate in transmission at the same time, the bearing transmits power more smoothly and evenly, reducing energy loss. This design not only improves the operating efficiency of the equipment, but also helps reduce the energy consumption and operating costs of the equipment.
High stability: The double-row roller design makes the Four Row Cylindrical Roller Bearing more stable during high-speed operation. Due to the interaction and constraints between the two rows of rollers, the bearing is more stable and reliable during operation. At the same time, the double-row roller design also enables the bearing to have better impact resistance when subjected to impact loads, effectively avoiding vibration and noise caused by impact.
Long life: The double-row roller design makes the Four Row Cylindrical Roller Bearing have a longer service life. The two rows of rollers participate in load-bearing and transmission at the same time, making the bearing wear more even and slow. At the same time, the double-row roller design also enables the bearings to have better wear resistance when subjected to heavy loads and impact loads, effectively extending the service life of the bearings. In addition, the double-row roller design also helps reduce the failure rate and repair times of bearings, reducing equipment maintenance costs.

With the continuous development of modern mechanical transmission and heavy industry, the performance requirements for bearings are becoming higher and higher. The unique double row roller design of Four Row Cylindrical Roller Bearing is demonstrated under complex working conditions such as heavy load, high speed and high precision. With the continuous advancement of science and technology and the rapid development of industry, the double-row roller design will be widely used in more fields, providing more reliable support for the development of modern mechanical transmission and heavy industry.