TIMKEN NP324522-90KA3

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

Technical data available

Bore diameterd: 220 mm
Outside diameterD: 380 mm
WidthB: 120 mm
Dynamic load ratingC: 1430 kN
Static load ratingC0: 2450 kN
Mass≈m: 56.34 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-453899
Variant / construction		TDI - Tapered Double Inner
Bore diameter	d	220 mm
Outside diameter	D	380 mm
Width	B	120 mm
Basic dynamic load rating	C	1430 kN
Basic static load rating	C0	2450 kN
Mass	≈m	56.34 kg
Precision class		ABMA Class K
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.16
Y1 Factor		1.34
Y2 Factor		2.00
Y0 Factor		1.31
E Factor		0.50
Cg Factor		0.1413

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000190112120
World Assembly Part Number		NP324522_NP126612
Inner Ring Part Number		NP324522
Outer Ring Part Number		NP126612
Drawing Number		C-134936
Upc		0013992761729
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:47.39

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TDI - Tapered Double Inner
Construction		Double Row Tapered Roller Bearing Assembly \| Imperial Series \| 8.6614 in Bore \| 14.9606 in OD \| 4.7244 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		371,000 N
Axial Rating		184,000 N
Dynamic Rating C1		1,430,000 N
Dynamic Rating C90		371,000 N
Dynamic Axial Rating Ca90		184,000 N
Dynamic Axial Rating Ca1		709,000 N
Static Radial Rating C0		2,450,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		1,800,000 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 NP324522-90KA3
Document matching: Exact designation, assembly scope, revision and units must agree.

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