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TIMKEN / Tdo - tapered double outer

TIMKEN 850-90023

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

Technical data available
Bore diameterd
88.9 mm
Outside diameterD
171.45 mm
WidthB
125.412 mm
Dynamic load ratingC
844 kN
Static load ratingC0
1040 kN
Mass≈m
11.66 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
Series835
Variant / constructionTDO - Tapered Double Outer
Bore diameterd88.9 mm
Outside diameterD171.45 mm
WidthB125.412 mm
Basic dynamic load ratingC844 kN
Basic static load ratingC01040 kN
Mass≈m11.66 kg
Precision classABMA Class 2
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.95
Y1 Factor2.26
Y2 Factor3.36
Y0 Factor2.21
E Factor0.30
Cg Factor0.0937
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100048049
World Assembly Part Number850_834D
Inner Ring Part Number850
Outer Ring Part Number834D
Drawing NumberA-16673
Upc0053893095363
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.07
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTDO - Tapered Double Outer
ConstructionDouble Row Tapered Roller Bearing Assembly | Imperial Series | 3.5000 in Bore | 6.7500 in OD | 4.9375 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 Rating219,000 N
Axial Rating64,400 N
Dynamic Rating C1844,000 N
Dynamic Rating C90219,000 N
Dynamic Axial Rating Ca9064,400 N
Dynamic Axial Rating Ca1248,000 N
Static Radial Rating C01,040,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A455,000 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 850-90023
Document matching
Exact designation, assembly scope, revision and units must agree.

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