TIMKEN NP313428-90KA1

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

Technical data available

Bore diameterd: 420 mm
Outside diameterD: 560 mm
WidthB: 145 mm
Dynamic load ratingC: 2070 kN
Static load ratingC0: 4160 kN
Mass≈m: 82.92 kg

Compare this model by brand →Check interchange requirements →

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

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-186458
Variant / construction		TDO - Tapered Double Outer
Bore diameter	d	420 mm
Outside diameter	D	560 mm
Width	B	145 mm
Basic dynamic load rating	C	2070 kN
Basic static load rating	C0	4160 kN
Mass	≈m	82.92 kg
Precision class		ABMA Class K
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.18
Y1 Factor		1.36
Y2 Factor		2.02
Y0 Factor		1.33
E Factor		0.50
Cg Factor		0.2047

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000190048157
World Assembly Part Number		NP313428_NP563357
Inner Ring Part Number		NP313428
Outer Ring Part Number		NP563357
Drawing Number		E-57053
Upc		0013992367921
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:47.75

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TDO - Tapered Double Outer
Construction		Double Row Tapered Roller Bearing Assembly \| Imperial Series \| 16.5354 in Bore \| 22.0472 in OD \| 5.7087 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		538,000 N
Axial Rating		263,000 N
Dynamic Rating C1		2,070,000 N
Dynamic Rating C90		538,000 N
Dynamic Axial Rating Ca90		263,000 N
Dynamic Axial Rating Ca1		1,010,000 N
Static Radial Rating C0		4,160,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		3,010,000 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 NP313428-90KA1
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.

Look up another model or check drawing requirements →

Previous product← TIMKEN NP269802-90NA1 Tapered roller bearing

Next productTIMKEN NP237827-90KA1 Tapered roller bearing →