TIMKEN Bearing 46780 - 46720CD

The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore.
Material: Bearing steels
In Stock:
Photo may not represent actual item. See the technical specification for details.

Specifications of TIMKEN Bearing 46780 - 46720CD

TIMKEN Bearing 46780 - 46720CD

Specifications

Series

46700

Cone Part Number

46780

Cup Part Number

46720CD

Design Unit

Inch

Bearing Weight

22.94 lb10.407 Kg

Cage Material

Stamped Steel

Dimensions

d – Bore

6.2500 in158.750 mm

D – Cup Outer Diameter

8.875 in225.425 mm

B – Cone Width

1.5625 in39.688 mm

C – Double Cup Width

2.75 in69.85 mm

T – Bearing Width across Cones

3.3750 in85.725 mm

Abutment and Fillet Dimensions

R – Cone Backface “To Clear” Radius1

0.14 in3.6 mm

r – Cup Backface “To Clear” Radius2

0.03 in0.8 mm

db – Cone Backface Backing Diameter

6.93 in176 mm

Da – Cup Frontface Backing Diameter

8.62 in217.93 mm

Aa – Cage-Cone Backface Clearance

0.13 in3.3 mm

a – Effective Center Location3

0.1 in2.5 mm

Basic Load Ratings

C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4

17700 lbf78600 N

C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5

119000 lbf528000 N

C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6

30800 lbf137000 N

Ca90 – Dynamic Thrust Rating (90 million revolutions)7

11600 lbf51600 N

Factors

K – Factor8

1.52

e – ISO Factor9

0.38

Y1 – ISO Factor10

1.76

Y2 – ISO Factor11

2.62

Cg – Geometry Factor12

0.143

Product description of TIMKEN Bearing 46780 - 46720CD

TIMKEN Bearing 46780 - 46720CD,Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial. Tapered Roller Bearings TDI (Tapered Double Inner) Imperial. Timken® tapered roller bearing assemblies are precisely designed to manage both radial and axial loads, even in the most unforgiving conditions.Double- or two-row Timken® tapered roller bearings feature double cups and two single cones. They are available in a variety of configurations for general industrial and automotive applications.

TDO (Two-Row Double-Outer Race)

The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions 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.)

TIMKEN Bearing 46780 - 46720CDTapered Roller Bearings - TDO (Tapered Double Outer) Imperial. 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

TIMKEN Bearing 46780 - 46720CDTapered Roller Bearings - TDO (Tapered Double Outer) Imperial. A tapered roller bearing assembly includes: an outer race that includes first and second outer race side raceway surfaces; an inner shaft that is inserted into the outer race, and includes a small diameter portion at an axial end thereof, a first inner race side raceway surface which has a diameter larger than that of the small diameter portion, and an intermediate cylindrical surface which is formed between the small diameter portion and the first inner race side raceway surface and has substantially the same diameter as that of the first inner race side raceway surface; an inner race fitted to the small diameter portion and including a second inner race side raceway surface; a plurality of tapered rollers interposed between the first outer race side raceway surface and the first inner race side raceway surface and between the second outer race side raceway surface and the second inner race side raceway surface; and a pulser ring fitted to the intermediate cylindrical surface.

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Literature & catalogs

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TIMKEN -TYPE- TDI
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TIMKEN-TAPERED ROLLER BEARING CAGES
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TIMKEN-TYPE- TS
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