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NINGBO RUNNING BEARINGS CO.,LTD.
46780/46720CD Double Row Tapered Roller Bearings, China 46780/46720CD Double Row Tapered Roller Bearing Manufacturer
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| Model: | 46780/46720CD |
| Place of Origin: | Zhejiang,China (Mainland) |
| Brand Name: | RNB OR NATURAL |
| Number of Row: | Double row |
| Type: | Roller bearing |
| Material of race: | GCr15SiMn-GB/T18254 |
| Material of roller: | GCr15SiMn-GB/T18254 |
| Precision: | Class 2 |
| Payment & Shipping Terms | Supply Capacity | ||
|---|---|---|---|
| Payment Terms: | L/C, T/T, WU | Production Capacity: | 100000 Piece/Pieces... |
| Min. Order: | 1 Piece/Pieces | Packing: | RNB OR Industrial... |
| Means of Transport: | Ocean, Air | Delivery Date: | 35 days |
Double row tapered roller bearings46780/46720CD
Demension: 158.75*225.425*85.725 mm,Weight: 11kg.
TDO (Two-Row Double-Outer Race)
The configuration of the TDO provides a wide effectivebearingspread, making it ideal for applications in which overturningmomentsare a significant load component. TDO bearings can be used infixedpositions or allowed to float in the housing bore.
Size range:
ID 25.400 mm to 1200.150 mm(1.0000 in.to 47.2500 in.)
OD 30.480 mm to 2460.000 mm (1.2000 in.to 96.8504 in.)
Design Attributes
Double cup and two single cones, with or without a spacer.
When spacers are used, bearing is furnished as a preset, matched assembly.
Cup features groove and lubrication holes in the OD.
Spacers available with or without lubricant grooves and holes.
Applications
Heavy-duty gear drives
Various industrial configurations
Double row tapered roller bearings
| Boundary Dimensions | Basicload ratings | Designations | Calculated | Load | Mass | LimitingSpeeds | |||||||||
| mm | KN | constant | factors | r/min | |||||||||||
| d | D | T | B | C | r1,2min | r3,4min | Cr | Cor | e | Y | Y0 | kg | Grease | Oil | |
| 247.650 | 406.400 | 115.888 | 117.475 | 93.662 | 6.4 | 6.4 | 1610 | 3150 | HH249949/HH249910 | 0.33 | 1.8 | 1 | 60.00 | 800 | 1100 |
| 255.625 | 342.945 | 57.150 | 62.080 | 44.5 | 6.4 | 3.3 | 660 | 1400 | BT1B417708 | 0.35 | 1.7 | 0.9 | 14.00 | 850 | 1200 |
| 257.175 | 342.900 | 57.150 | 57.150 | 44.45 | 6.4 | 3.3 | 660 | 1400 | M349549/M349510 | 0.35 | 1.7 | 0.9 | 14.00 | 850 | 1200 |
| 263.525 | 325.438 | 28.575 | 28.575 | 25.4 | 1.5 | 1.5 | 220 | 550 | 38880/38820 | 0.37 | 1.6 | 0.9 | 53.00 | 900 | 1300 |
| 266.560 | 325.438 | 29.500 | 33.470 | 25.48 | 1 | 1.5 | 209 | 475 | BT1B446356A | 0.37 | 1.6 | 0.9 | 5.10 | 900 | 1300 |
| 266.700 | 325.438 | 27.755 | 31.880 | 25.48 | 1.5 | 1.5 | 209 | 475 | BT1B443884AE | 0.37 | 1.6 | 0.9 | 5.10 | 900 | 1300 |
| 355.600 | 57.150 | 57.150 | 44.45 | 3.5 | 3.3 | 644 | 1400 | LM451349/LM451310 | 0.35 | 1.7 | 0.9 | 15.50 | 850 | 1200 | |
| 292.100 | 374.650 | 47.625 | 47.625 | 34.925 | 3.5 | 3.3 | 501 | 1140 | L555249/L555210 | 0.4 | 1.5 | 0.8 | 12.00 | 800 | 1100 |
| 300.000 | 495.300 | 141.288 | 141.288 | 114.3 | 6.4 | 6.4 | 2330 | 4550 | HH258248/HH258210 | 0.33 | 1.8 | 1 | 107.00 | 630 | 850 |
| 304.800 | 546.100 | 171.053 | 171.130 | 140.17 | 8 | 8 | 3030 | 5600 | BT1B617089B | 0.35 | 1.7 | 0.9 | 170.00 | 600 | 800 |
| 330.200 | 415.925 | 47.625 | 47.625 | 34.925 | 3.5 | 3.5 | 402 | 965 | BT1B440009 | 0.5 | 1.2 | 0.7 | 14.30 | 700 | 950 |
| 482.600 | 85.725 | 80.167 | 60.325 | 6.4 | 3.3 | 1210 | 2500 | EE526130/526190 | 0.4 | 1.5 | 0.8 | 48.50 | 630 | 850 | |
| 333.375 | 469.900 | 90.488 | 90.488 | 71.438 | 6.4 | 3.3 | 1340 | 2850 | HM261049/HM261010 | 0.33 | 1.8 | 1 | 47.00 | 630 | 850 |
| 343.154 | 450.850 | 66.675 | 66.675 | 52.388 | 8.5 | 3.5 | 935 | 2200 | LM361649/LM361610 | 0.35 | 1.7 | 0.9 | 28.00 | 670 | 900 |
| 346.075 | 488.950 | 95.250 | 95.250 | 74.612 | 6.4 | 3.3 | 1420 | 3150 | HM262749/HM262710 | 0.33 | 1.8 | 1 | 55.00 | 630 | 850 |
| 355.600 | 482.600 | 60.320 | 55.560 | 38.1 | 7 | 7 | 572 | 1200 | 431884A | 0.48 | 1.25 | 0.7 | 26.50 | 630 | 850 |
| 380.100 | 480.000 | 50.000 | 48.080 | 35.08 | 6 | 4 | 594 | 1500 | BT1B380/332420 | 0.5 | 1.2 | 0.7 | 20.50 | 600 | 800 |
| 384.175 | 546.100 | 104.775 | 104.775 | 82.55 | 6.4 | 6.4 | 1870 | 4150 | HM266449/HM266410 | 0.33 | 1.8 | 1 | 77.00 | 560 | 750 |
| 403.225 | 460.375 | 28.575 | 28.575 | 20.638 | 3.5 | 3.3 | 246 | 765 | LL566848/LL566810 | 0.4 | 1.5 | 0.8 | 6.70 | 600 | 800 |
| 406.400 | 508.000 | 61.912 | 61.912 | 47.625 | 3.3 | 3.3 | 825 | 2120 | L467549/L467510 | 0.37 | 1.6 | 0.9 | 26.50 | 560 | 750 |
| 574.675 | 76.200 | 67.866 | 50.8 | 6.8 | 3.3 | 935 | 2040 | EE285160/285226 | 0.5 | 1.2 | 0.7 | 53.50 | 530 | 700 | |
| 762.000 | 180.975 | 161.925 | 107.95 | 12.7 | 12.7 | 3690 | 6100 | H969249/H969210 | 0.94 | 0.64 | 0.35 | 320.00 | 380 | 500 | |
| 415.925 | 590.550 | 114.300 | 114.300 | 88.9 | 6.4 | 6.4 | 2120 | 4800 | M268749/M268710 | 0.33 | 1.8 | 1 | 120.00 | 500 | 670 |
| 430.212 | 603.250 | 76.200 | 73.025 | 50.8 | 6.4 | 6.4 | 1100 | 2320 | EE241693/242375 | 0.52 | 1.15 | 0.6 | 59.00 | 500 | 670 |
| 431.800 | 571.500 | 89.694 | 89.770 | 66.75 | 6.4 | 6.4 | 1450 | 3450 | BT1B328284/HA1 | 0.44 | 1.35 | 0.8 | 60.00 | 500 | 670 |
| 431.902 | 685.698 | 177.800 | 177.800 | 142.95 | 6.4 | 6.4 | 3910 | 8650 | BT1B332900 | 0.48 | 1.25 | 0.7 | 253.00 | 430 | 560 |
| 447.675 | 635.000 | 120.650 | 120.650 | 95.25 | 6.4 | 6.4 | 2380 | 5500 | M270749/M270710 | 0.33 | 1.8 | 1 | 120.00 | 450 | 600 |
| 457.200 | 573.088 | 74.612 | 74.612 | 57.15 | 6.4 | 6.4 | 1120 | 3000 | L570649/L570610 | 0.4 | 1.5 | 0.8 | 43.50 | 500 | 670 |
| 603.250 | 85.725 | 84.138 | 60.325 | 6.4 | 3.3 | 1450 | 3400 | LM770949/LM770910 | 0.46 | 1.3 | 0.7 | 61.50 | 480 | 630 | |
| 615.950 | 85.725 | 85.725 | 66.675 | 6.4 | 6.4 | 1470 | 3800 | LM272235/LM272210 | 0.33 | 1.8 | 1 | 72.00 | 450 | 600 | |
| 660.400 | 91.280 | 85.725 | 62.705 | 10.5 | 6.4 | 1790 | 3650 | EE737181/737260VQ601 | 0.37 | 1.6 | 0.9 | 91.00 | 450 | 600 | |
| 479.425 | 679.450 | 128.588 | 128.660 | 101.680 | 6.4 | 6.4 | 2750 | 6300 | BT1B332529HA1 | 0.33 | 1.8 | 1 | 145.00 | 430 | 560 |
| 482.600 | 634.873 | 80.962 | 80.962 | 63.5 | 6.4 | 3.3 | 1470 | 3650 | EE243190/243250 | 0.35 | 1.7 | 0.9 | 67.50 | 450 | 600 |
| 498.399 | 634.873 | 80.962 | 80.962 | 63.5 | 6.4 | 3.3 | 1470 | 3650 | EE243196ZA/2432250 | 0.35 | 1.7 | 0.9 | 60.00 | 450 | 600 |
| 498.475 | 634.873 | 80.962 | 80.962 | 63.5 | 6.4 | 3.3 | 1470 | 3650 | EE243196/2432250 | 0.35 | 1.7 | 0.9 | 60.00 | 450 | 600 |
| 498.653 | 634.873 | 80.962 | 80.962 | 63.5 | 6.4 | 3.3 | 1470 | 3650 | EE243196AS/2432250 | 0.35 | 1.7 | 0.9 | 59.50 | 450 | 600 |
| 520.700 | 736.600 | 88.900 | 81.758 | 53.975 | 6.4 | 3.3 | 1650 | 3350 | EE982051/982900 | 0.48 | 1.25 | 0.7 | 100.00 | 500 | 530 |
| 536.575 | 761.873 | 146.050 | 146.050 | 114.300 | 6.4 | 6.4 | 3360 | 8000 | M276449/M276410 | 0.33 | 1.8 | 1 | 208.00 | 380 | 500 |
| 539.750 | 635.000 | 50.800 | 50.800 | 38.1 | 6.4 | 6.4 | 781 | 2160 | LL575349/LL575310 | 0.4 | 1.5 | 0.8 | 27.00 | 430 | 560 |
| 549.275 | 692.150 | 80.963 | 80.963 | 61.913 | 6.4 | 6.4 | 825 | 2120 | L476549/L476510 | 0.37 | 1.6 | 0.9 | 67.00 | 560 | 750 |
Category: Double row Tapered roller bearing
Related Category: Single row tapered roller bearing Four row tapered roller bearing
