TIMKEN 32309BR

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

Technical data available

Bore diameterd: 45 mm
Outside diameterD: 100 mm
WidthB: 15.25 mm
Dynamic load ratingC: 189 kN
Static load ratingC0: 187 kN
Mass≈m: 1.48 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		32309-B
Variant / construction		TSF - Tapered Single Flanged
Bore diameter	d	45 mm
Outside diameter	D	100 mm
Width	B	15.25 mm
Basic dynamic load rating	C	189 kN
Basic static load rating	C0	187 kN
Mass	≈m	1.48 kg
Precision class		ABMA Class K
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.07
Y1 Factor		1.10
Y2 Factor		0.00
Y0 Factor		0.60
E Factor		0.55
Cg Factor		0.1018

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000190073042
World Assembly Part Number		X32309-BG_Y32309-BRG
Inner Ring Part Number		X32309-BG
Outer Ring Part Number		Y32309-BRG
Drawing Number		C-120232
Upc		0085706265328
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:46.323

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TSF - Tapered Single Flanged
Construction		Single Row Tapered Roller Bearing Assembly \| Imperial Series \| 1.7717 in Bore \| 3.9370 in OD \| 1.5059 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class K
Number Of Rows		1
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		39.000 mm
Radial Rating		49,000 N
Axial Rating		45,800 N
Dynamic Rating C1		189,000 N
Dynamic Rating C90		49,000 N
Dynamic Axial Rating Ca90		45,800 N
Dynamic Axial Rating Ca1		177,000 N
Static Radial Rating C0		187,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		298,000 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 32309BR
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