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NINGBO RUNNING BEARINGS CO.,LTD.
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LM282847DW/810/810D TIMKEN Four-Row Tapered Roller Bearings
| Payment Terms: | T/T,L/C,WU |
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
All four-row tapered roller bearings are supplied as pre-set matched assemblies with all components identified to ensure correct installation sequence
Four-Row Tapered Roller Bearings LM282847DW/810/810D
Four-row tapered roller bearings provide maximum capacity in minimum space, combining the inherenthigh-load,radial/thrustcapacity and direct/indirect mounting variablesof tapered roller bearings.
Their main application is on the roll necks of rolling mill equipment.All four-row bearings are supplied aspre-setmatched assemblies with all components identified to ensure correct installation sequence.
TQIT (Tapered Bore Four-Row Assembly)
Type TQIT bearings have a tapered bore that is matched and continuous through the inner races.This allows for an interferencefiton the backup rolls of high-speed mills, where a loose inner race fitofa straight bore bearing could cause excessive neck wear.
Four-Row Tapered Roller Bearings
Size range:
ID 123.022 mm to 1004.633 mm (4.8434 in. to 39.5525 in.)
OD 174.625 mm to 2032.000 mm (6.8750 mm to 80.0000 in.)
Design Attributes
Two tapered-bore single cones, one tapered-bore double cone, four single cups and three cup spacers.
Front faces of single cones and both faces of double cone are extended to contact each other.
Tapered cone bores are matched for continuous taper through the cones.
Lubrication delivered through three cup spacers.
Preset, matched assemblies, serial numbered to assure correct installation.
Applications
Roll necks of high-speed rolling mills
| Boundary Dimensions | Basicload ratings | Designations | Mass | ||||||||||||
| d | D | T | B | rmin(Axial) | rmin(Radial) | r1min(Axial) | r1min(Radial) | Cr | Cor | kg | |||||
| mm | in | mm | in | mm | in | mm | in | mm | KN | ||||||
| 133.35 | 5.25 | 196.85 | 7.75 | 193.675 | 7.625 | 193.675 | 7.625 | 1.5 | 1.5 | 3.3 | 3.3 | 970 | 2370 | K67390D/K67322-K67322D | 20.2 |
| 177.8 | 7 | 247.65 | 9.75 | 192.088 | 7.562 | 192.088 | 7.5625 | 1.5 | 1.5 | 3.3 | 3.3 | 1070 | 3000 | K67791DGW/K67720-K67721D | 28.6 |
| 187.325 | 7.375 | 269.875 | 10.625 | 211.138 | 8.3125 | 211.138 | 8.3125 | 1.5 | 1.5 | 3.3 | 3.3 | 1570 | 3430 | KM238849D/KM238810-KM238810D | 41.5 |
| 190.5 | 7.5 | 266.7 | 10.5 | 187.325 | 7.375 | 188.912 | 7.4375 | 1.5 | 1.5 | 3.3 | 3.3 | 1280 | 3200 | 67885D/67820-67820D | 32.9 |
| 198.438 | 7.8125 | 284.162 | 11.1875 | 225.425 | 8.875 | 225.425 | 8.875 | 1.5 | 1.5 | 3.3 | 3.3 | 1280 | 3200 | M240648DD/M240611-M240611D | 32.9 |
| 203.2 | 8 | 317.5 | 12.5 | 266.7 | 10.5 | 266.7 | 10.5 | 1.5 | 1.5 | 3.3 | 3.3 | 2400 | 4850 | 93800D/93125-93127D | 76.3 |
| 206.375 | 8.125 | 282.575 | 11.125 | 190.5 | 7.5 | 190.5 | 7.5 | 0.8 | 0.8 | 3.3 | 3.3 | 1030 | 2830 | K67986D/K67920-K67921D | 34.4 |
| 282.575 | 11.125 | 190.5 | 7.5 | 190.5 | 7.5 | 0.8 | 0.8 | 3.3 | 3.3 | 1030 | 2830 | 67986D/67920-67921D | 34.4 | ||
| 282.575 | 11.125 | 226 | 8.8976 | 226 | 8.8976 | 0.6 | 0.6 | 3.3 | 3.3 | 1200 | 3200 | 3806/206X4 | 40.3 | ||
| 220.662 | 8.6875 | 314.325 | 12.375 | 239.712 | 9.4375 | 239.712 | 9.4375 | 1.5 | 1.5 | 3.3 | 3.3 | 2090 | 4900 | KM244249D/KM244210-KM244210D | 60.2 |
| 314.325 | 12.375 | 239.712 | 9.4375 | 239.712 | 9.4375 | 1.5 | 1.5 | 3.3 | 3.3 | 2160 | 4900 | M244249DW/M244210-M244210D/HEC9 | 60.2 | ||
| 314.325 | 12.375 | 239.712 | 9.4375 | 239.712 | 9.4375 | 1.5 | 1.5 | 3.3 | 3.3 | 2000 | 4500 | M244249DGW/M244210-M244210D/HEC9 | 59.8 | ||
| 221.224 | 8.7096 | 355.498 | 13.996 | 228.6 | 9 | 228.6 | 9 | 1.5 | 1.5 | 3.3 | 3.3 | 2100 | 4900 | EE127094D/127138-127139D | 81.8 |
| 228.6 | 9 | 311.15 | 12.25 | 200.025 | 7.875 | 200.025 | 7.875 | 1.5 | 1.5 | 3.3 | 3.3 | 1560 | 3650 | LM245149D/LM245110-LM245110D | 43.9 |
| 311.15 | 12.25 | 200.025 | 7.875 | 200.025 | 7.875 | 1.5 | 1.5 | 3.3 | 3.3 | 1560 | 3650 | LM245149DGW/LM245110-LM245110D | 43.9 | ||
| 400.05 | 15.75 | 296.875 | 11.688 | 296.875 | 11.688 | 3.3 | 3.3 | 3.3 | 3.3 | 3300 | 5650 | EE529091D/529157-529158XD | 148 | ||
| 241.478 | 9.507 | 349.148 | 13.746 | 228.6 | 9 | 228.6 | 9 | 1.5 | 1.5 | 3.3 | 3.3 | 2050 | 4350 | EE127097D/127135-127136D | 71.9 |
| 349.148 | 13.746 | 228.6 | 9 | 228.6 | 9 | 1.5 | 1.5 | 3.3 | 3.3 | 2050 | 4350 | KEE127097D/K127135-K127136D | 71.9 | ||
| 244.475 | 9.625 | 327.025 | 12.875 | 193.675 | 7.625 | 193.675 | 7.625 | 3.3 | 1.5 | 3.3 | 3.3 | 1740 | 3930 | KLM247748DW/KLM247710-KLM247710D | 42.7 |
| 327.025 | 12.875 | 193.675 | 7.625 | 193.675 | 7.625 | 3.3 | 1.5 | 3.3 | 3.3 | 1740 | 4050 | LM247748DW/LM247710-LM247710D | 42.7 | ||
| 254 | 10 | 358.775 | 14.125 | 269.875 | 10.625 | 269.875 | 10.625 | 3.3 | 3.3 | 3.3 | 3.3 | 2720 | 6050 | M249748D/M249710-M249710D | 88.9 |
| 358.775 | 14.125 | 269.875 | 10.625 | 269.875 | 10.625 | 3.3 | 3.3 | 3.3 | 3.3 | 2720 | 6050 | M249748DW/M249710-M249710D | 88.9 | ||
| 358.775 | 14.125 | 269.875 | 10.625 | 269.875 | 10.625 | 3.3 | 3.3 | 3.3 | 3.3 | 2720 | 6050 | K3M249748DW/K3M249710-K3M249710D-3 | 88.9 | ||
| 260.35 | 10.25 | 422.275 | 16.625 | 314.325 | 12.375 | 317.5 | 12.5 | 6.4 | 6.4 | 3.3 | 3.3 | 4100 | 7900 | HM252348D/HM252310-HM252310D | 182 |
| 266.7 | 10.5 | 355.6 | 14 | 230.188 | 9.0625 | 228.6 | 9 | 3.3 | 1.5 | 3.3 | 3.3 | 1950 | 5560 | KLM451349DW/KLM451310-KLM451310D | 65.3 |
| 355.6 | 14 | 230.188 | 9.0625 | 228.6 | 9 | 3.3 | 1.5 | 3.3 | 3.3 | 1950 | 5800 | LM451349DW/LM451310-LM451310D | 63.9 | ||
| 355.6 | 14 | 230.188 | 9.0625 | 228.6 | 9 | 1.6 | 1.6 | 3.3 | 3.2 | 1700 | 4800 | K76589/K76520-K76520D | |||
| 269.875 | 10.625 | 381 | 15 | 282.575 | 11.125 | 282.575 | 11.125 | 3.3 | 3.3 | 3.3 | 3.3 | 2930 | 7550 | M252349DW/M252310-M252310D | 105 |
| 276.225 | 10.875 | 393.7 | 15.5 | 269.875 | 10.625 | 269.875 | 10.625 | 1 | 1 | 6.4 | 6.4 | 2880 | 6200 | 3806/276X4 | 105 |
| 279.4 | 11 | 393.7 | 15.5 | 269.875 | 10.625 | 269.875 | 10.625 | 1.5 | 1.5 | 6.4 | 6.4 | 2880 | 6200 | KEE135111DW/K135155-K135156D | 103 |
| 393.7 | 15.5 | 269.875 | 10.625 | 269.875 | 10.625 | 1.5 | 1.5 | 6.4 | 6.4 | 2880 | 6200 | EE135111D/135155-135156D | 103 | ||
| 393.7 | 15.5 | 269.875 | 10.625 | 269.875 | 10.625 | 1.5 | 1.5 | 6.4 | 6.4 | 2880 | 6200 | EE135111DW/135155-135156DW/HEC9 | 103 | ||
| 393.7 | 15.5 | 269.875 | 10.625 | 269.875 | 10.625 | 1.5 | 1.5 | 6.4 | 6.4 | 2880 | 6200 | EE135111DW/135155-135156DW | 103 | ||
| 288.925 | 11.375 | 406.4 | 16 | 298.45 | 11.75 | 298.45 | 11.75 | 3.3 | 3.3 | 3.3 | 3.3 | 3400 | 8150 | M255449DW/M255410-M255410D | 125 |
| 406.4 | 16 | 298.45 | 11.75 | 298.45 | 11.75 | 3.3 | 3.3 | 3.3 | 3.3 | 3400 | 8150 | M255449D/M255410-M255410D | 125 | ||
| 292.1 | 11.5 | 422.275 | 16.625 | 269.875 | 10.625 | 269.875 | 10.625 | SP | SP | 3.3 | 3.3 | 3450 | 7950 | EE330116D/330166-330167D | 126 |
| 300.038 | 11.813 | 422.275 | 16.625 | 311.15 | 12.25 | 311.15 | 12.25 | 3.3 | 3.3 | 3.3 | 3.3 | 3700 | 9400 | HM256849D/HM256810-HM256810D | 142 |
| 304.648 | 11.994 | 438.048 | 17.246 | 280.99 | 11.0626 | 279.4 | 11 | 3.3 | 3.3 | 4.8 | 4.8 | 3000 | 6650 | M757448D/M757410-M757410D | 130 |
| 438.048 | 17.246 | 280.99 | 11.0626 | 279.4 | 11 | 3.3 | 3.3 | 4.8 | 4.8 | 3000 | 6650 | M757448DW/M757410-M757410D | 130 | ||
| 304.8 | 12 | 419.1 | 16.5 | 269.875 | 10.625 | 269.875 | 10.625 | 1.5 | 1.5 | 6.4 | 6.4 | 2850 | 6800 | M257149D/M257110-M257110D | 112 |
| 482.6 | 19 | 365.125 | 14.375 | 377.825 | 14.875 | 3.3 | 3.3 | 3.3 | 3.3 | 4950 | 10300 | 3806/304.8 | 266 | ||
| 495.3 | 19.5 | 342.9 | 13.5 | 342.9 | 13.5 | 2 | 2 | 6.4 | 6.4 | 5000 | 9200 | 3806/304.8-1 | 243 | ||
| 501.65 | 19.75 | 336.55 | 13.25 | 336.55 | 13.25 | 2 | 2 | 6.4 | 6.4 | 4650 | 9200 | 3806/304.8-2 | 255 | ||
| 304.902 | 12.004 | 412.648 | 16.246 | 266.7 | 10.5 | 266.7 | 10.5 | 3.3 | 3.3 | 3.3 | 3.3 | 2930 | 7000 | M257248DW/M257210-M257210D | 102 |
| 305 | 12.008 | 438.048 | 17.246 | 280.99 | 11.0626 | 279.4 | 11 | 3.3 | 3.3 | 4.8 | 4.8 | 2980 | 6600 | M757449DW/M757410-M757410D | 129 |
| 317.5 | 12.5 | 422.275 | 16.625 | 269.875 | 10.625 | 269.875 | 10.625 | 1.5 | 1.5 | 3.3 | 3.3 | 2980 | 8100 | LM258648DW/LM259610-LM258610D | 104 |
| 438.15 | 17.25 | 276.225 | 10.875 | 276.225 | 10.875 | 1.5 | 1.5 | 3.3 | 3.3 | 3450 | 8200 | 3806/317.5 | 132 | ||
| 447.675 | 17.625 | 327.025 | 12.875 | 327.025 | 12.875 | 3.3 | 3.3 | 3.3 | 3.3 | 4650 | 10700 | HM259049D/HM259010-HM259010D | 163 | ||
| 330.2 | 13 | 444.5 | 17.5 | 301.625 | 11.875 | 301.625 | 11.875 | 3.3 | 3.3 | 3.3 | 3.3 | 3550 | 9600 | M260149DW/M260110-M260110D | 134 |
| 330.302 | 13.004 | 438.023 | 17.245 | 247.65 | 9.75 | 254 | 10 | 1.5 | 1.5 | 3.3 | 3.3 | 2500 | 7300 | EE138131D/138172-138173XD | 109 |
| 333.375 | 13.125 | 469.9 | 18.5 | 342.9 | 13.5 | 342.9 | 13.5 | 3.3 | 3.3 | 3.3 | 3.3 | 4100 | 10100 | HM261049DW/HM261010-HM261010D | 186 |
| 341.312 | 13.438 | 457.098 | 17.996 | 254 | 10 | 254 | 10 | 2 | 1.5 | 3.3 | 3.3 | 2350 | 7400 | LM761648DW/LM761610-LM761610D | 112 |
| 457.098 | 17.996 | 254 | 10 | 254 | 10 | 2 | 1.5 | 3.3 | 3.3 | 2740 | 7050 | LM761648D/LM761610-LM761610D-3 | 112 | ||
| 342.9 | 13.5 | 533.4 | 21 | 307.985 | 12.1254 | 301.625 | 11.875 | 3.3 | 3.3 | 3.3 | 3.3 | 4650 | 8750 | EE971355D/972100-972103D | 239 |
| 571.5 | 22.5 | 342.9 | 13.5 | 342.9 | 13.5 | 3.3 | 3.3 | 6.4 | 6.4 | 6200 | 11500 | EE536136D/536225-536226D | 366 | ||
| 343.052 | 13.506 | 457.098 | 17.996 | 254 | 10 | 254 | 10 | 2 | 1.5 | 3.3 | 3.3 | 2670 | 7400 | K1-LM761649DW/LM761610-LM761610D | 110 |
| 457.098 | 17.996 | 254 | 10 | 254 | 10 | 2 | 1.5 | 3.3 | 3.3 | 2670 | 7350 | LM761649DW/LM761610-LM761610D | 110 | ||
| 457.098 | 17.996 | 254 | 10 | 254 | 10 | 1.5 | 1.5 | 3.3 | 3.3 | 2800 | 6900 | LM761649DWSH/LM761610SH-LM761610DSH-3 | 111 | ||
| 345.281 | 13.594 | 488.95 | 19.25 | 358.775 | 14.125 | 358.775 | 14.125 | 3.3 | 3.3 | 3.3 | 3.3 | 4800 | 12400 | 3806/345X4 | 239 |
| 346.075 | 13.625 | 488.95 | 19.25 | 358.775 | 14.125 | 358.775 | 14.125 | 3.3 | 3.3 | 3.3 | 3.3 | 4800 | 12400 | HM262749D/HM262710-HM262710D | 221 |
| 347.662 | 13.688 | 469.9 | 18.5 | 292.1 | 11.5 | 292.1 | 11.5 | 3.3 | 3.3 | 3.3 | 3.3 | 2600 | 7950 | M262449D/M262410-M262410D | 142 |
| 469.9 | 18.5 | 260.35 | 10.25 | 260.35 | 10.25 | 1.5 | 1.5 | 3.3 | 3.3 | 3750 | 10100 | LM262449DW/LM262410-LM262410D | 129 | ||
| 355.6 | 14 | 482.6 | 19 | 269.875 | 10.625 | 265.114 | 10.4376 | 1.5 | 1.5 | 3.3 | 3.3 | 2570 | 7440 | 3806/355.6/HCC9 | 139 |
| 488.95 | 19.25 | 317.5 | 12.5 | 317.5 | 12.5 | 1.5 | 1.5 | 3.3 | 3.3 | 3150 | 10000 | M263349D/M263310-M263310D | 177 | ||
| 488.95 | 19.25 | 317.5 | 12.5 | 317.5 | 12.5 | 1.5 | 1.5 | 3.3 | 3.3 | 4750 | 11000 | M263349D/M263310-M263310D-XRS | 165 | ||
| 368.3 | 14.5 | 523.875 | 20.625 | 382.588 | 15.0625 | 382.588 | 15.0625 | 3.3 | 3.3 | 6.4 | 6.4 | 6200 | 14800 | HM265049DW/HM265010-HM265010D | 274 |
| 374.65 | 14.75 | 501.65 | 17.948 | 250.825 | 9.875 | 260.35 | 10.25 | 1.5 | 1.5 | 3.3 | 3.3 | 3120 | 7550 | EE231475D/231975-231976D | 141 |
| 384.175 | 15.125 | 546.1 | 21.5 | 400.05 | 15.75 | 400.05 | 15.75 | 3.3 | 3.3 | 6.4 | 6.4 | 6120 | 16400 | HM266449DW/HM266410-HM266410CD | 310 |
| 546.1 | 21.5 | 400.05 | 15.75 | 400.05 | 15.75 | 1.5 | 1.5 | 6.4 | 6.4 | 5200 | 12000 | HM266449DW/HM266410-HM266410D-XRS/C9YB2 | 293 | ||
| 385.762 | 15.188 | 514.35 | 20.25 | 317.5 | 12.5 | 317.5 | 12.5 | 3.3 | 3.3 | 3.3 | 3.3 | 4150 | 11000 | LM665949DW/LM665910-LM665910D | 189 |
Four-Row Tapered Roller Bearings 
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Company Info
NINGBO RUNNING BEARINGS CO.,LTD. [China (Mainland)]
Business Type:Manufacturer, Trading Company
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)
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