TIMKEN HM237545-90148

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

Technical data available

Bore diameterd: 177.8 mm
Outside diameterD: 288.925 mm
WidthB: 142.875 mm
Dynamic load ratingC: 1700 kN
Static load ratingC0: 2480 kN
Mass≈m: 32.48 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		HM237500
Variant / construction		TDO - Tapered Double Outer
Bore diameter	d	177.8 mm
Outside diameter	D	288.925 mm
Width	B	142.875 mm
Basic dynamic load rating	C	1700 kN
Basic static load rating	C0	2480 kN
Mass	≈m	32.48 kg
Precision class		ABMA Class 3
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.83
Y1 Factor		2.12
Y2 Factor		3.15
Y0 Factor		2.07
E Factor		0.32
Cg Factor		0.1168

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000100078687
World Assembly Part Number		HM237545_HM237510CD
Inner Ring Part Number		HM237545
Outer Ring Part Number		HM237510CD
Drawing Number		C-44020
Upc		0053893536736
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:47.677

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TDO - Tapered Double Outer
Construction		Double Row Tapered Roller Bearing Assembly \| Imperial Series \| 7.0000 in Bore \| 11.3750 in OD \| 5.6250 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class 3
Number Of Rows		2
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		0.000 mm
Radial Rating		441,000 N
Axial Rating		138,000 N
Dynamic Rating C1		1,700,000 N
Dynamic Rating C90		441,000 N
Dynamic Axial Rating Ca90		138,000 N
Dynamic Axial Rating Ca1		533,000 N
Static Radial Rating C0		2,480,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		1,150,000 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 HM237545-90148
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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