TIMKEN R-2906-G

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

Technical data available

Bore diameterd: 1270 mm
Outside diameterD: 1651 mm
WidthB: 234.95 mm
Dynamic load ratingC: 12800 kN
Static load ratingC0: 31500 kN
Mass≈m: 1259.22 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		NTS-245088
Variant / construction		TS - Tapered Single
Bore diameter	d	1270 mm
Outside diameter	D	1651 mm
Width	B	234.95 mm
Basic dynamic load rating	C	12800 kN
Basic static load rating	C0	31500 kN
Mass	≈m	1259.22 kg
Precision class		ABMA Class 4
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.37
Y1 Factor		1.40
Y2 Factor		0.00
Y0 Factor		0.77
E Factor		0.43
Cg Factor		0.5495

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000190033575
World Assembly Part Number		NP277795_NP706321
Inner Ring Part Number		NP277795
Outer Ring Part Number		NP706321
Drawing Number		E-53259
Upc		0013992375995
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:48.507

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TS - Tapered Single
Construction		Single Row Tapered Roller Bearing Assembly \| Imperial Series \| 50.0000 in Bore \| 65.0000 in OD \| 9.2500 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class 4
Number Of Rows		1
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		262.950 mm
Radial Rating		3,310,000 N
Axial Rating		2,430,000 N
Dynamic Rating C1		12,800,000 N
Dynamic Rating C90		3,310,000 N
Dynamic Axial Rating Ca90		2,430,000 N
Dynamic Axial Rating Ca1		9,360,000 N
Static Radial Rating C0		31,500,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		39,300,000 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 R-2906-G
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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