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TIMKEN / Tsf - tapered single flanged

TIMKEN 783-90073

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

Technical data available
Bore diameterd
100 mm
Outside diameterD
180.975 mm
WidthB
17.462 mm
Dynamic load ratingC
346 kN
Static load ratingC0
495 kN
Mass≈m
5.28 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
Series775
Variant / constructionTSF - Tapered Single Flanged
Bore diameterd100 mm
Outside diameterD180.975 mm
WidthB17.462 mm
Basic dynamic load ratingC346 kN
Basic static load ratingC0495 kN
Mass≈m5.28 kg
Precision classABMA Class 0
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.51
Y1 Factor1.56
Y2 Factor0.00
Y0 Factor0.86
E Factor0.39
Cg Factor0.1067
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100034322
World Assembly Part Number783_772-B
Inner Ring Part Number783
Outer Ring Part Number772-B
Drawing NumberA-5371
Upc0053893090481
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.17
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTSF - Tapered Single Flanged
ConstructionPrecision Tapered Roller Bearing Assembly | Imperial Series | 3.9370 in Bore | 7.1250 in OD | 1.8750 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 0
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width49.806 mm
Radial Rating89,700 N
Axial Rating59,200 N
Dynamic Rating C1346,000 N
Dynamic Rating C9089,700 N
Dynamic Axial Rating Ca9059,200 N
Dynamic Axial Rating Ca1228,000 N
Static Radial Rating C0495,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A556,000 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 783-90073
Document matching
Exact designation, assembly scope, revision and units must agree.

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