TIMKEN NP237827-90KA1

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

Technical data available

Bore diameterd: 600 mm
Outside diameterD: 870 mm
WidthB: 270 mm
Dynamic load ratingC: 4770 kN
Static load ratingC0: 11300 kN
Mass≈m: 462.37 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-681246
Variant / construction		TDO - Tapered Double Outer
Bore diameter	d	600 mm
Outside diameter	D	870 mm
Width	B	270 mm
Basic dynamic load rating	C	4770 kN
Basic static load rating	C0	11300 kN
Mass	≈m	462.37 kg
Precision class		ABMA Class K
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.12
Y1 Factor		1.29
Y2 Factor		1.93
Y0 Factor		1.27
E Factor		0.52
Cg Factor		0.2991

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000190048675
World Assembly Part Number		NP237827_NP514178
Inner Ring Part Number		NP237827
Outer Ring Part Number		NP514178
Drawing Number		E-57113
Upc		0013992365576
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:46.143

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TDO - Tapered Double Outer
Construction		Double Row Tapered Roller Bearing Assembly \| Imperial Series \| 23.6220 in Bore \| 34.2520 in OD \| 10.6299 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class K
Number Of Rows		2
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		0.000 mm
Radial Rating		1,240,000 N
Axial Rating		635,000 N
Dynamic Rating C1		4,770,000 N
Dynamic Rating C90		1,240,000 N
Dynamic Axial Rating Ca90		635,000 N
Dynamic Axial Rating Ca1		2,450,000 N
Static Radial Rating C0		11,300,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		8,550,000 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 NP237827-90KA1
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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