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SKF786Tapered Roller Bearing Cone — 4.1250 in (104.775 mm) Bore, 1.8900 in Width, Single Cone, Mates 772 Cup

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

Availability:

10 in stock

Single-row tapered roller bearing cone, 4.1250 in (104.775 mm) bore, 1.8900 in inner ring width. Mates a 772 or 772A cup. SKF USA-built, new old stock.

List Price

$71.89

10 in stock

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Specifications

Key Specifications

MFR / BrandSKF
MPN786
Model786
Bearing TypeTapered Roller Bearing Cone, Open
ID4.1250 in (104.775 mm)
Width1.8900 in (48.006 mm)

Technical Specifications

Base Number786
Industry TermsTaper cone; tapered roller bearing cone; inner ring assembly; inch taper bearing; single cone; TS bearing cone
Common Misspellings768; 786A; 7 86 cone; 786 taper cone; 786 bearing cone
Application TypesHeavy truck wheel ends; trailer axles; gearboxes; agricultural drives; construction equipment; industrial gear reducers
Overall Width1.8900 in (48.006 mm)
Mpn Variants786; 786 cone; 786/772; 786-772; 786/772A; SKF 786
Compatible With ReplacesMates 772 or 772A cup; assembly 786/772 measures 4.1250 in bore x 7.1250 in OD x 1.8750 in
MaterialBearing steel
Rolling ElementsTapered Roller
Item Weight10.269 kg (22.64 lb)
Number Of Rows1
Bore TypeStraight
Harmonization Code8482.20.00
Bearing MaterialBearing steel

Cross-References

Cross Reference 1Timken 786
Cross Reference 2Koyo 786
Cross Reference 3NTN 786
Cross Reference 4BCA/Bower 786
Seller Part Number: BF2#JTZOMI

Product Description

What this part is

SKF 786 single-row tapered roller bearing cone — the inner ring, roller set and cage of a two-piece tapered roller bearing. Bore Diameter: 4.1250 in (104.775 mm). Overall Width: 1.8900 in (48.006 mm) through the bore. Rolling Elements: Tapered Roller. Number Of Rows: 1. Bore Type: Straight. Item Weight: 10.269 kg (22.64 lb). Unit Quantity: 1 Pc.

Decoding the designation

786 — the ANSI/ABMA inch-series cone number. The number fixes the boundary dimensions, so any maker’s 786 mounts in the same housing and on the same shaft.

What these specs mean in practice

A tapered roller bearing separates into two parts that are bought and stocked independently. This listing is the cone: inner ring, tapered rollers and cage as a single non-separable assembly. The matching outer ring is the cup, ordered by its own number.

Tapered geometry carries radial and axial load together, with the axial component acting in one direction. Two bearings mounted in opposition carry thrust both ways and set the running clearance between them at assembly.

Bore Diameter: 4.1250 in (104.775 mm), a straight bore mounted with an interference fit on the shaft journal.

Mounting data

Shaft Backing Shoulder Diameter, backface: 5.04 in (128 mm). Shaft Backing Shoulder Diameter, frontface: 4.57 in (116 mm). Maximum shaft fillet radius cleared by the bearing corner: 0.25 in (6.4 mm). Effective centre location: −0.32 in (−8.1 mm), measured inside the cone backface. Overall Width: 1.8900 in (48.006 mm). Item Weight: 10.269 kg (22.64 lb). Harmonization Code: 8482.20.00.

Quantity and configuration

Unit Quantity: 1 Pc. One cone. The mating cup is a separate part number.

Interchange guidance

Matching cups: 772, and 772A. Mounted on a 772 the assembly measures 4.1250 in bore, 7.1250 in outside diameter and 1.8750 in overall assembly width.

786 is an industry-standard inch cone number carried by every major tapered roller manufacturer, so Timken 786, Koyo 786, NTN 786 and BCA/Bower 786 share these boundary dimensions. Load ratings are set by each maker’s own roller complement and are quoted per brand, so confirm the rating against the maker whose part is fitted.

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