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Bower775/773D/X1S-775Double Row Tapered Roller Bearing TDO Set — 3-1/2 in Bore, 7.0866 in (180 mm) OD, 3.375 in Double Cup Width

Condition: New – Open box
Condition Note: Made In USA, (2) 775 (1) 773 D (1) X1S-775

Availability:

1 in stock

Bower 775/773D/X1S-775 double-row TDO tapered roller bearing set, 3-1/2 in bore, 7.0866 in (180 mm) OD. Two 775 cones, 773D double cup and X1S-775 spacer.

List Price

$611.20

1 in stock

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Specifications

Key Specifications

MFR / BrandBower
MPN775/773D/X1S-775
Model775/773D/X1S-775
Bearing TypeTapered Roller Bearing Cone, Open
ID3.5000 in (88.900 mm)
OD7.0866 in (180.000 mm)

Technical Specifications

Dynamic Load Rating346,000 N (per row)
Static Load Rating495,000 N (per row)
Rolling ElementsTapered Roller
Number Of Rows2
Bore TypeStraight
Snap Ring IncludedNo
Harmonization Code8482.20.00.00
Mpn Variants775/773D/X1S-775, 775 773-D X1S775, 775 773D X1S-775, 775 cone, 773D double cup, 773 D, X1S-775 spacer
Precision ClassNot specified
Additional AttributesCone Width: 1.8900 in (48.006 mm); Double Cup Width: 3.3750 in (85.725 mm); C90: 89,700 N per row; Ca90: 59,200 N; K Factor: 1.51; e: 0.39; Y1: 1.75; Y2: 2.61
Mounting ArrangementTDO (back-to-back)

Cross-References

Cross Reference 1Timken 775/773D/X1S-775
Seller Part Number: B-BD4#PXIBLP

Product Description

What this part is

Bower 775/773D/X1S-775 is a double-row tapered roller bearing set in TDO (tapered double outer) arrangement: two 775 cones, one 773D double cup and one X1S-775 cone spacer. Bore Diameter: 3.5000 in (88.900 mm). Outside Diameter: 7.0866 in (180.000 mm). Cup Width: 3.3750 in (85.725 mm). The back-to-back cone arrangement gives a wide effective spread for shafts carrying overturning moment along with radial and two-direction thrust load.

Decoding the designation

775 — ABMA cone number, 3-1/2 in bore, 1.8900 in cone width.

773D — double cup taking two cones, 180 mm OD.

X1S-775 — cone spacer sized to the 775 cone, fitted between the two cones to set the bearing’s axial clearance.

What these specs mean in practice

Interchange data for the same ABMA numbers (Timken catalogue), per row: Dynamic Load Rating: 346,000 N (C1, 1 million revolutions). Static Load Rating: 495,000 N. Dynamic Radial Rating C90: 89,700 N. Dynamic Axial Rating Ca90: 59,200 N. K Factor: 1.51. e Factor: 0.39. Y1 Factor: 1.75. Y2 Factor: 2.61.

Mounting data

Cone Width: 1.8900 in (48.006 mm). Double Cup Width: 3.3750 in (85.725 mm). Max Shaft Fillet Radius: 0.19 in (4.8 mm). Max Housing Fillet Radius: 0.03 in (0.8 mm). Shaft Backing Shoulder Diameter: 4.06 in (103 mm) front face, 4.41 in (112 mm) back face. Housing Backing Shoulder Diameter: 6.65 in (168.9 mm).

Quantity and configuration

Unit Quantity: 4 Pcs — two 775 cones, one 773D double cup, one X1S-775 cone spacer. Rolling Elements: Tapered Roller. Number Of Rows: 2. Mounting Arrangement: TDO (back-to-back cones in a double cup). Closure Type: Open. Bore Type: Straight.

Interchange guidance

Cross-Reference: Timken 775/773D/X1S-775 (components 775, 773D, X1S-775).

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