TIMKEN DR142995-902A1

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

Technical data available

Bore diameterd: 260.35 mm
Outside diameterD: 422.275 mm
WidthB: 86.121 mm
Dynamic load ratingC: 1640 kN
Static load ratingC0: 2020 kN
Mass≈m: 40.54 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		HM252300
Variant / construction		TS - Tapered Single
Bore diameter	d	260.35 mm
Outside diameter	D	422.275 mm
Width	B	86.121 mm
Basic dynamic load rating	C	1640 kN
Basic static load rating	C0	2020 kN
Mass	≈m	40.54 kg
Precision class		ABMA Class 2
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.76
Y1 Factor		1.80
Y2 Factor		0.00
Y0 Factor		0.99
E Factor		0.33
Cg Factor		0.1482

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000190057601
World Assembly Part Number		DR142995_DR352771
Inner Ring Part Number		DR142995
Outer Ring Part Number		DR352771
Drawing Number		C-111863
Upc		0053893820125
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:47.383

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TS - Tapered Single
Construction		Single Row Tapered Roller Bearing Assembly \| Imperial Series \| 10.2500 in Bore \| 16.6250 in OD \| 3.3906 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class 2
Number Of Rows		1
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		86.121 mm
Radial Rating		425,000 N
Axial Rating		242,000 N
Dynamic Rating C1		1,640,000 N
Dynamic Rating C90		425,000 N
Dynamic Axial Rating Ca90		242,000 N
Dynamic Axial Rating Ca1		934,000 N
Static Radial Rating C0		2,020,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		1,960,000 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 DR142995-902A1
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