TIMKEN 67989-902A2

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

Technical data available

Bore diameterd: 209.55 mm
Outside diameterD: 282.575 mm
WidthB: 101.6 mm
Dynamic load ratingC: 875 kN
Static load ratingC0: 1750 kN
Mass≈m: 17.02 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		67900
Variant / construction		TDO - Tapered Double Outer
Bore diameter	d	209.55 mm
Outside diameter	D	282.575 mm
Width	B	101.6 mm
Basic dynamic load rating	C	875 kN
Basic static load rating	C0	1750 kN
Mass	≈m	17.02 kg
Precision class		ABMA Class 2
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.15
Y1 Factor		1.33
Y2 Factor		1.97
Y0 Factor		1.30
E Factor		0.51
Cg Factor		0.1388

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000100036998
World Assembly Part Number		67989_67920CD
Inner Ring Part Number		67989
Outer Ring Part Number		67920CD
Drawing Number		C-43998
Upc		0053893748504
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:48.4

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TDO - Tapered Double Outer
Construction		Double Row Tapered Roller Bearing Assembly \| Imperial Series \| 8.2500 in Bore \| 11.1250 in OD \| 4.0000 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class 2
Number Of Rows		2
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		0.000 mm
Radial Rating		227,000 N
Axial Rating		114,000 N
Dynamic Rating C1		875,000 N
Dynamic Rating C90		227,000 N
Dynamic Axial Rating Ca90		114,000 N
Dynamic Axial Rating Ca1		438,000 N
Static Radial Rating C0		1,750,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		1,300,000 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 67989-902A2
Document matching: Exact designation, assembly scope, revision and units must agree.

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