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46780/46720CD Double Row Tapered Roller Bearings

Min. Order: 1 Piece/Pieces
Payment Terms: L/C, T/T, WU
Supply Ability: 100000 Piece/Pieces per Month
Place of Origin: Zhejiang

Company Profile

Location: Ningbo, Zhejiang, China (Mainland)
Business Type: Manufacturer, Trading Company

Product Detail

Model No.: 46780/46720CD
Means of Transport: Ocean, Air
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
Production Capacity: 100000 Piece/Pieces per Month
Packing: RNB OR Industrial packing
Delivery Date: 35 days
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Product Description

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 DimensionsBasicload ratingsDesignationsCalculatedLoadMassLimitingSpeeds
mmKNconstantfactorsr/min
dDTBCr1,2minr3,4minCrCoreYY0kgGreaseOil
247.650406.400115.888117.47593.6626.46.416103150HH249949/HH2499100.331.8160.008001100
255.625342.94557.15062.08044.56.43.36601400BT1B4177080.351.70.914.008501200
257.175342.90057.15057.15044.456.43.36601400M349549/M3495100.351.70.914.008501200
263.525325.43828.57528.57525.41.51.522055038880/388200.371.60.953.009001300
266.560325.43829.50033.47025.4811.5209475BT1B446356A0.371.60.95.109001300
266.700325.43827.75531.88025.481.51.5209475BT1B443884AE0.371.60.95.109001300
355.60057.15057.15044.453.53.36441400LM451349/LM4513100.351.70.915.508501200
292.100374.65047.62547.62534.9253.53.35011140L555249/L5552100.41.50.812.008001100
300.000495.300141.288141.288114.36.46.423304550HH258248/HH2582100.331.81107.00630850
304.800546.100171.053171.130140.178830305600BT1B617089B0.351.70.9170.00600800
330.200415.92547.62547.62534.9253.53.5402965BT1B4400090.51.20.714.30700950
482.60085.72580.16760.3256.43.312102500EE526130/5261900.41.50.848.50630850
333.375469.90090.48890.48871.4386.43.313402850HM261049/HM2610100.331.8147.00630850
343.154450.85066.67566.67552.3888.53.59352200LM361649/LM3616100.351.70.928.00670900
346.075488.95095.25095.25074.6126.43.314203150HM262749/HM2627100.331.8155.00630850
355.600482.60060.32055.56038.1775721200431884A0.481.250.726.50630850
380.100480.00050.00048.08035.08645941500BT1B380/3324200.51.20.720.50600800
384.175546.100104.775104.77582.556.46.418704150HM266449/HM2664100.331.8177.00560750
403.225460.37528.57528.57520.6383.53.3246765LL566848/LL5668100.41.50.86.70600800
406.400508.00061.91261.91247.6253.33.38252120L467549/L4675100.371.60.926.50560750
574.67576.20067.86650.86.83.39352040EE285160/2852260.51.20.753.50530700
762.000180.975161.925107.9512.712.736906100H969249/H9692100.940.640.35320.00380500
415.925590.550114.300114.30088.96.46.421204800M268749/M2687100.331.81120.00500670
430.212603.25076.20073.02550.86.46.411002320EE241693/2423750.521.150.659.00500670
431.800571.50089.69489.77066.756.46.414503450BT1B328284/HA10.441.350.860.00500670
431.902685.698177.800177.800142.956.46.439108650BT1B3329000.481.250.7253.00430560
447.675635.000120.650120.65095.256.46.423805500M270749/M2707100.331.81120.00450600
457.200573.08874.61274.61257.156.46.411203000L570649/L5706100.41.50.843.50500670
603.25085.72584.13860.3256.43.314503400LM770949/LM7709100.461.30.761.50480630
615.95085.72585.72566.6756.46.414703800LM272235/LM2722100.331.8172.00450600
660.40091.28085.72562.70510.56.417903650EE737181/737260VQ6010.371.60.991.00450600
479.425679.450128.588128.660101.6806.46.427506300BT1B332529HA10.331.81145.00430560
482.600634.87380.96280.96263.56.43.314703650EE243190/2432500.351.70.967.50450600
498.399634.87380.96280.96263.56.43.314703650EE243196ZA/24322500.351.70.960.00450600
498.475634.87380.96280.96263.56.43.314703650EE243196/24322500.351.70.960.00450600
498.653634.87380.96280.96263.56.43.314703650EE243196AS/24322500.351.70.959.50450600
520.700736.60088.90081.75853.9756.43.316503350EE982051/9829000.481.250.7100.00500530
536.575761.873146.050146.050114.3006.46.433608000M276449/M2764100.331.81208.00380500
539.750635.00050.80050.80038.16.46.47812160LL575349/LL5753100.41.50.827.00430560
549.275692.15080.96380.96361.9136.46.48252120L476549/L4765100.371.60.967.00560750



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