TIMKEN 67985-90027

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

Technical data available

Bore diameterd: 206.375 mm
Outside diameterD: 282.575 mm
WidthB: 16.67 mm
Dynamic load ratingC: 503 kN
Static load ratingC0: 876 kN
Mass≈m: 8.47 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		TSF - Tapered Single Flanged
Bore diameter	d	206.375 mm
Outside diameter	D	282.575 mm
Width	B	16.67 mm
Basic dynamic load rating	C	503 kN
Basic static load rating	C0	876 kN
Mass	≈m	8.47 kg
Precision class		ABMA Class 0
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.15
Y1 Factor		1.18
Y2 Factor		0.00
Y0 Factor		0.65
E Factor		0.51
Cg Factor		0.1388

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000100030680
World Assembly Part Number		67985_67920-B
Inner Ring Part Number		67985
Outer Ring Part Number		67920-B
Drawing Number		B-21883
Upc		0053893364940
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:46.32

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TSF - Tapered Single Flanged
Construction		Single Row Tapered Roller Bearing Assembly \| Imperial Series \| 8.1250 in Bore \| 11.1250 in OD \| 1.8125 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class 0
Number Of Rows		1
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		48.838 mm
Radial Rating		130,000 N
Axial Rating		114,000 N
Dynamic Rating C1		503,000 N
Dynamic Rating C90		130,000 N
Dynamic Axial Rating Ca90		114,000 N
Dynamic Axial Rating Ca1		438,000 N
Static Radial Rating C0		876,000 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 67985-90027
Document matching: Exact designation, assembly scope, revision and units must agree.

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