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Timken67820Single-Row Imperial Tapered Roller Bearing Cup – 10-1/2 in Outside Diameter, 1-1/2 in Width

Condition: New – Open box
Condition Note: Made In USA, New Old Stock

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Tapered roller bearing cup, 10-1/2 in outside diameter, 1-1/2 in outer ring width, e factor 0.48, Y factor 1.26. Runs with a 67885 or 67887 cone.

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$138.01

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Specifications

Key Specifications

MFR / BrandTimken
MPN67820
Model67820
Bearing TypeTapered Roller Bearing Cup
OD10.5000 in (266.7 mm)
Width1-1/2 in

Technical Specifications

Base Number67820
Industry TermsTapered roller cup, bearing race, outer ring, taper bearing cup, TRB cup
Common MisspellingsTimkin 67820, 67-820, 67820 bearing race
Overall Width1.5000 in (38.1 mm) outer ring width
Mpn Variants67820, Timken 67820, 67-820, 67820 cup, 67820 race
Precision ClassNot specified
Additional Attributese factor 0.48; Y factor 1.26; geometry factor Cg 0.131; max housing fillet radius 0.130 in (3.30 mm); housing backing shoulder Da 10.25 in (259.10 mm), Db 9.69 in (246.13 mm); unflanged outer ring for a straight housing bore
Series67800 imperial tapered roller
Rolling ElementsTapered roller raceway, outer ring
Item Weight16.4 lb (7.5 kg)
Number Of Rows1
Part Number67820

Cross-References

Cross Reference 1Timken 67885 — matching cone, 7.5000 in bore
Cross Reference 2Timken 67887 — matching cone
Cross Reference 3Timken 67885 / 67820 — complete TS single-row assembly
Cross Reference 4Timken 67830 — alternative cup for the same cones
Seller Part Number: DD4#PREKJH

Product Description

What this part is

Timken 67820 is a single-row imperial tapered roller bearing cup — the outer ring, with its tapered raceway. Bearing Type: Tapered roller bearing cup, single row, imperial. Outside Diameter: 10.5000 in (266.7 mm). Outer Ring Width: 1.5000 in (38.1 mm). e Factor: 0.48. Y Factor: 1.26. Geometry Factor (Cg): 0.131. Item Weight: 16.4 lb (7.5 kg). Number Of Rows: 1. Precision Class: Not specified.

Decoding the designation

678 — the 67800 imperial series, a heavy large-bore tapered roller family.

20 — the cup within that series, an unflanged outer ring pressed into a straight housing bore.

What these specs mean in practice

e Factor: 0.48 is the load ratio at which the calculation switches between the radial and the combined-load equation, and Y Factor: 1.26 converts an axial component into an equivalent radial load. Those two numbers are what an engineer needs to rate the assembly once the cone is chosen. Geometry Factor (Cg): 0.131 feeds the lubrication life adjustment.

Mounting data

Housing Backing Shoulder Diameter, frontface (Da): 10.25 in (259.10 mm). Housing Backing Shoulder Diameter, backface (Db): 9.69 in (246.13 mm). Max Housing Fillet Radius: 0.130 in (3.30 mm) — the largest fillet in the housing bore that the cup corner will clear.

Quantity and configuration

Unit Quantity: 1 Pc. Cup only — the outer ring. The matching cones are the Timken 67885 and 67887, each on a 7.5000 in shaft.

Interchange guidance

Part Number: 67820. Searchable variants: 67820 cup, Timken 67820, 67-820, 67820 race. Timken catalogues the complete single-row assembly as 67885 / 67820. The 67820-B is the flanged execution of this cup and a separate part number. The 67830 is the alternative cup for the same cones.

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