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TIMKEN / Tdi - tapered double inner

TIMKEN 581D-902A6

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

Technical data available
Bore diameterd
80.962 mm
Outside diameterD
139.992 mm
WidthB
80.962 mm
Dynamic load ratingC
360 kN
Static load ratingC0
582 kN
Mass≈m
5.32 kg

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
ParameterSymbolValue
Series575
Variant / constructionTDI - Tapered Double Inner
Bore diameterd80.962 mm
Outside diameterD139.992 mm
WidthB80.962 mm
Basic dynamic load ratingC360 kN
Basic static load ratingC0582 kN
Mass≈m5.32 kg
Precision classABMA Class 2
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.45
Y1 Factor1.67
Y2 Factor2.49
Y0 Factor1.63
E Factor0.40
Cg Factor0.1295
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190023848
World Assembly Part Number581D_572
Inner Ring Part Number581D
Outer Ring Part Number572
Drawing NumberA-34020
Upc0013992380128
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.58
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTDI - Tapered Double Inner
ConstructionDouble Row Tapered Roller Bearing Assembly | Imperial Series | 3.1875 in Bore | 5.5115 in OD | 3.1875 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2
Number Of Rows2
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating93,400 N
Axial Rating37,100 N
Dynamic Rating C1360,000 N
Dynamic Rating C9093,400 N
Dynamic Axial Rating Ca9037,100 N
Dynamic Axial Rating Ca1143,000 N
Static Radial Rating C0582,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A342,000 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 581D-902A6
Document matching
Exact designation, assembly scope, revision and units must agree.

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