TIMKEN Bearing LM772748 - LM772710CD

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 LM772748 - LM772710CD

TIMKEN Bearing LM772748 - LM772710CD

Specifications

Series

LM772700

Cone Part Number

LM772748

Cup Part Number

LM772710CD

Design Unit

Inch

Bearing Weight

291.63 lb132.281 Kg

Cage Material

Stamped Steel

Dimensions

d – Bore

19.2500 in488.950 mm

D – Cup Outer Diameter

24.9950 in634.873 mm

B – Cone Width

3.3125 in84.138 mm

C – Double Cup Width

5.3750 in136.525 mm

T – Bearing Width across Cones

7.1250 in180.975 mm

Abutment and Fillet Dimensions

R – Cone Backface “To Clear” Radius1

0.25 in6.4 mm

r – Cup Backface “To Clear” Radius2

0.06 in1.5 mm

db – Cone Backface Backing Diameter

20.55 in522 mm

Da – Cup Frontface Backing Diameter

24.15 in613.41 mm

Aa – Cage-Cone Backface Clearance

0.35 in8.9 mm

a – Effective Center Location3

1.61 in40.9 mm

Basic Load Ratings

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

108000 lbf482000 N

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

728000 lbf3240000 N

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

189000 lbf840000 N

Ca90 – Dynamic Thrust Rating (90 million revolutions)7

87800 lbf390000 N

Factors

K – Factor8

1.24

e – ISO Factor9

0.47

Y1 – ISO Factor10

1.43

Y2 – ISO Factor11

2.12

Cg – Geometry Factor12

0.253

Product description of TIMKEN Bearing LM772748 - LM772710CD

TIMKEN Bearing LM772748 - LM772710CD,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 LM772748 - LM772710CDTapered 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 LM772748 - LM772710CDTapered 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

TIMKEN -LUBRICATION
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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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Videos

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