99,016 bearing records · search, filter and compare

TIMKEN / Ts - tapered single

TIMKEN 18685 / 18620

Tapered roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
44.45 mm
Outside diameterD
79.375 mm
WidthB
17.462 mm
Dynamic load ratingC
52 kN
Static load ratingC0
61.3 kN
Mass≈m
0.35 kg

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications11 parameters
Core specifications
ParameterSymbolValue
Series18600
Variant / constructionTS - Tapered Single
Bore diameterd44.45 mm
Outside diameterD79.375 mm
WidthB17.462 mm
Basic dynamic load ratingC52 kN
Basic static load ratingC061.3 kN
Mass≈m0.35 kg
Precision classABMA Class 2
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.56
Y1 Factor1.60
Y2 Factor0.00
Y0 Factor0.88
E Factor0.37
Cg Factor0.0725
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100059112
World Assembly Part Number18685_18620
Inner Ring Part Number18685
Outer Ring Part Number18620
Drawing NumberA-24057
Upc0053893654379
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.577
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTS - Tapered Single
ConstructionSingle Row Tapered Roller Bearing Assembly | Imperial Series | 1.7500 in Bore | 3.1250 in OD | 0.6875 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width20.062 mm
Radial Rating13,500 N
Axial Rating8,630 N
Dynamic Rating C152,000 N
Dynamic Rating C9013,500 N
Dynamic Axial Rating Ca908,630 N
Dynamic Axial Rating Ca133,300 N
Static Radial Rating C061,300 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A66,800 N

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
TIMKEN 18685 / 18620
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

Look up another model or check drawing requirements →

Search the consolidated catalogue

Find, filter and compare bearing model data in one place.

Open model search