TIMKEN Bearing 78250 - 78549D

Product description of TIMKEN Bearing 78250 - 78549D

TIMKEN Bearing 78250 - 78549D,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 78250 - 78549DTapered 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 78250 - 78549DTapered 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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