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TIMKEN / Ts - tapered single

TIMKEN 545112-903B1

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

Technical data available
Bore diameterd
285.75 mm
Outside diameterD
358.775 mm
WidthB
33.338 mm
Dynamic load ratingC
258 kN
Static load ratingC0
596 kN
Mass≈m
6.76 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
Series545000
Variant / constructionTS - Tapered Single
Bore diameterd285.75 mm
Outside diameterD358.775 mm
WidthB33.338 mm
Basic dynamic load ratingC258 kN
Basic static load ratingC0596 kN
Mass≈m6.76 kg
Precision classABMA Class 3
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.19
Y1 Factor1.22
Y2 Factor0.00
Y0 Factor0.67
E Factor0.49
Cg Factor0.1446
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100131795
World Assembly Part Number545112_545141
Inner Ring Part Number545112
Outer Ring Part Number545141
Drawing NumberC-21325
Upc0053893764634
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.39
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTS - Tapered Single
ConstructionPrecision Tapered Roller Bearing Assembly | Imperial Series | 11.2500 in Bore | 14.1250 in OD | 1.3125 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 3
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width40.950 mm
Radial Rating66,800 N
Axial Rating56,300 N
Dynamic Rating C1258,000 N
Dynamic Rating C9066,800 N
Dynamic Axial Rating Ca9056,300 N
Dynamic Axial Rating Ca1217,000 N
Static Radial Rating C0596,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A854,000 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 545112-903B1
Document matching
Exact designation, assembly scope, revision and units must agree.

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