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China Three Row Cylindrical Roller Slewing Bearings , Manufacturer, Supplier, factory exporter distributor, made in China - EVER-POWER GROUP
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Three Row Cylindrical Roller Slewing Bearings

Three Row Cylindrical Roller Slewing Bearings

The slewing ring of the three-row cylindrical roller slewing bearing has three races. The upper, lower, and radial raceways are separated. Therefore, each row of rollers can bear axial and radial loads, respectively. It is one of the four products with a larger carrying capacity and is suitable for heavy machinery that requires a more significant load.

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Three Row Cylindrical Roller Slewing Bearings
The slewing ring of the three-row cylindrical roller slewing bearing has three races. The upper, lower, and radial raceways are separated. Therefore, each row of rollers can bear axial and radial loads, respectively. It is the one with the larger carrying capacity of the four products. The shaft and radial dimensions are significant, but the relative diameter of the bearing is significantly reduced, which makes the structure compact. It is particularly suitable for heavy machinery that requires larger loads, such as bucket wheel excavators, wheeled cranes, ship cranes, port cranes, molten steel mobile platforms, and large-tonnage truck cranes.

Product parameters

(1) Model parameters of externally toothed three-row cylindrical roller slewing bearings

Model Dimensions Installation size Tooth parameters Load Weight
De de di Di He Hi Ht Fe Ne V Fi Ni V m z Dp x·m
[mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [-] [mm] [-] [mm] [-] [mm] [mm] [kN] [kg]
3R25-E-0500 665 526 537 366 116 138 148 598 24 18 402 24 18 5 130 650 5 2750 224
3R25-E-0560 725 586 597 426 116 138 148 658 24 18 462 24 18 5 142 710 5 3080 240
3R25-E-0630 808 593 604 496 116 138 148 728 28 18 532 28 18 8 98 784 8 3450 270
3R25-E-0710 888 673 684 576 116 138 148 808 28 18 612 28 18 8 108 864 8 3880 300
3R30-E-0800 1008 830 841 636 142 172 182 920 36 22 680 36 22 8 123 984 8 5490 500
3R30-E-0900 1104 930 941 736 142 172 182 1020 36 22 780 36 22 8 135 1080 8 6190 600
3R30-E-1000 1220 1030 1041 836 142 172 182 1120 40 22 880 40 22 10 119 1190 10 6890 680
3R30-E-1120 1340 1150 1161 956 142 172 182 1240 40 22 1000 40 22 10 131 1310 10 7680 820
3R40-E-1250 1512 1200 1210 1055 170 210 220 1393 45 26 1107 45 26 14 105 1470 14 11100 1200
3R40-E-1400 1666 1350 1360 1205 170 210 220 1543 45 26 1257 45 26 14 116 1624 14 12400 1300
3R40-E-1600 1872 1550 1560 1405 170 210 220 1743 48 26 1457 48 26 16 114 1824 16 14200 1520
3R40-E-1800 2072 1840 1850 1605 170 210 220 1943 48 26 1657 48 26 14 145 2030 14 15900 1750
3R45-E-2000 2304 1945 1967 1779 177 219 231 2155 60 33 1845 60 33 18 125 2250 18 20500 2400
3R45-E-2240 2556 2185 2207 2019 177 219 231 2395 60 33 2085 60 33 18 139 2502 18 23100 2700
3R45-E-2500 2820 2445 2467 2279 177 219 231 2655 72 33 2345 72 33 20 138 2760 20 25800 3000

(2) Internal gear type three-row cylindrical roller slewing bearing

Model Dimensions Installation size Tooth parameters Load Weight
De de di Di He Hi Ht Fe Ne V Fi Ni V m z Dp x·m
[mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [-] [mm] [-] [mm] [-] [mm] [mm] [kN] [kg]
3R25-I-0500 634 526 537 335 138 116 148 598 24 18 402 24 18 5 68 340 5 2750 224
3R25-I-0560 694 586 597 395 138 116 148 658 24 18 462 24 18 5 80 400 5 3080 240
3R25-I-0630 764 656 667 456 138 116 148 728 28 18 532 28 18 6 77 462 6 3450 270
3R25-I-0710 844 736 747 534 138 116 148 808 28 18 612 28 18 6 90 540 6 3880 300
3R30-I-0800 964 759 770 590 172 142 182 920 36 22 680 36 22 10 60 600 10 5490 500
3R30-I-0900 1064 930 941 688 172 142 182 1020 36 22 780 36 22 8 87 696 8 6190 600
3R30-I-1000 1164 1030 1041 780 172 142 182 1120 40 22 880 40 22 10 79 790 10 6890 680
3R30-I-1120 1284 1150 1161 900 172 142 182 1240 40 22 1000 40 22 10 91 910 10 7680 820
3R40-I-1250 1445 1200 1210 980 210 170 220 1393 45 26 1107 45 26 14 71 994 14 11100 1200
3R40-I-1400 1595 1350 1360 1134 210 170 220 1543 45 26 1257 45 26 14 80 1150 14 12400 1300
3R40-I-1600 1795 1550 1560 1328 210 170 220 1743 48 26 1457 48 26 16 84 1344 16 14200 1520
3R40-I-1800 1995 1750 1760 1520 210 170 220 1943 48 26 1657 48 26 16 96 1536 16 15900 1750
3R45-I-2000 2221 1945 1967 1692 219 177 231 2155 60 33 1845 60 33 18 95 1710 18 20500 2400
3R45-I-2240 2461 2273 2295 1920 219 177 231 2395 60 33 2085 60 33 16 121 1936 16 23100 2700
3R45-I-2500 2721 2533 2555 2178 219 177 231 2655 72 33 2345 72 33 18 122 2196 18 25800 3000

(3) Gearless three-row cylindrical roller slewing bearing model parameters

Model Dimensions Installation size Load Weight
De de di Di He Hi Ht Fe Ne V Fi Ni V
[mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [-] [mm] [-] [kN] [kg]
3R25-U-0500 634 526 537 366 138 116 148 598 24 18 402 24 18 2750 224
3R25-U-0560 694 586 597 426 138 116 148 658 24 18 462 24 18 3080 240
3R25-U-0630 764 656 667 496 138 116 148 728 28 18 532 28 18 3450 270
3R25-U-0710 844 736 747 576 138 116 148 808 28 18 612 28 18 3880 300
3R30-U-0800 964 830 841 636 172 142 182 920 36 22 680 36 22 5490 500
3R30-U-0900 1064 930 941 736 172 142 182 1020 36 22 780 36 22 6190 600
3R30-U-1000 1164 1030 1041 836 172 142 182 1120 40 22 880 40 22 6890 680
3R30-U-1120 1284 1150 1161 956 172 142 182 1240 40 22 1000 40 22 7680 820
3R30-U-1250 1445 1290 1300 1055 210 170 220 1393 45 26 1107 45 26 11100 1200
3R40-U-1400 1595 1440 1450 1205 210 170 220 1543 45 26 1257 45 26 12400 1300
3R40-U-1600 1795 1640 1650 1405 210 170 220 1743 48 26 1457 48 26 14200 1520
3R40-U-1800 1995 1840 1850 1605 210 170 220 1943 48 26 1657 48 26 15900 1750
3R45-U-2000 2195 2041 2055 1816 137 117 150 2127 60 33 1885 60 33 16900 1120
3R45-U-2240 2461 2273 2295 2019 219 177 231 2395 60 33 2085 60 33 23100 2700
3R45-U-2500 2721 2533 2555 2279 219 177 231 2655 72 33 2345 72 33 25800 3000

Features of three-row cylindrical roller slewing bearing

  • Suitable for highest axial loads and tilting moments.
  • Suitable for large connecting structures.
  • Usually, three-row roller rotary bearings are used for some heavy machinery.

Company Information

We are a professional manufacturer and supplier of slewing bearings; We make all kinds of slewing bearings, such as four-point contact ball slewing bearings, single row cross roller slewing bearings, double-row ball slewing bearings, three-row roller slewing bearings, flange slewing bearings, light series slewing bearing. We are capable of designing and manufacturing non-standard slewing bearings independently. Our products are widely used in various applications, such as port, ship, vehicle, mining, engineering, lifting, environmental protection, oil, chemicals, light industry, metallurgical machinery, the military, etc. With eight years of experience, our products are widely exported to the USA, Germany, Japan, Spain, Canada, Italy, France, Finland, Korea, India, Singapore, Brazil, Australia, etc.  If you need slewing bearing, please feel free to contact us.

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