TIMKEN 545112-902A4

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: 76.2 mm
Dynamic load ratingC: 449 kN
Static load ratingC0: 1190 kN
Mass≈m: 15.13 kg

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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
Parameter	Symbol	Value
Series		545000
Variant / construction		TDO - Tapered Double Outer
Bore diameter	d	285.75 mm
Outside diameter	D	358.775 mm
Width	B	76.2 mm
Basic dynamic load rating	C	449 kN
Basic static load rating	C0	1190 kN
Mass	≈m	15.13 kg
Precision class		ABMA Class 2
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.19
Y1 Factor		1.37
Y2 Factor		2.04
Y0 Factor		1.34
E Factor		0.49
Cg Factor		0.1446

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000100131698
World Assembly Part Number		545112_545142CD
Inner Ring Part Number		545112
Outer Ring Part Number		545142CD
Drawing Number		C-28034
Upc		0053893337289
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:47.393

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TDO - Tapered Double Outer
Construction		Double Row Tapered Roller Bearing Assembly \| Imperial Series \| 11.2500 in Bore \| 14.1250 in OD \| 3.0000 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class 2
Number Of Rows		2
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		0.000 mm
Radial Rating		116,000 N
Axial Rating		56,300 N
Dynamic Rating C1		449,000 N
Dynamic Rating C90		116,000 N
Dynamic Axial Rating Ca90		56,300 N
Dynamic Axial Rating Ca1		217,000 N
Static Radial Rating C0		1,190,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		854,000 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 545112-902A4
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.

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