TIMKEN L687645-904A1

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

Technical data available

Bore diameterd: 950 mm
Outside diameterD: 1232 mm
WidthB: 158 mm
Dynamic load ratingC: 6630 kN
Static load ratingC0: 16900 kN
Mass≈m: 483.86 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		L687600
Variant / construction		TS - Tapered Single
Bore diameter	d	950 mm
Outside diameter	D	1232 mm
Width	B	158 mm
Basic dynamic load rating	C	6630 kN
Basic static load rating	C0	16900 kN
Mass	≈m	483.86 kg
Precision class		ABMA Class 4
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.42
Y1 Factor		1.46
Y2 Factor		0.00
Y0 Factor		0.80
E Factor		0.41
Cg Factor		0.4363

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000100128096
World Assembly Part Number		L687645_L687617X
Inner Ring Part Number		L687645
Outer Ring Part Number		L687617X
Drawing Number		E-41138
Upc		0013992371157
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:47.4

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TS - Tapered Single
Construction		Single Row Tapered Roller Bearing Assembly \| Imperial Series \| 37.4016 in Bore \| 48.5039 in OD \| 6.2205 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class 4
Number Of Rows		1
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		180.400 mm
Radial Rating		1,720,000 N
Axial Rating		1,210,000 N
Dynamic Rating C1		6,630,000 N
Dynamic Rating C90		1,720,000 N
Dynamic Axial Rating Ca90		1,210,000 N
Dynamic Axial Rating Ca1		4,680,000 N
Static Radial Rating C0		16,900,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		20,300,000 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 L687645-904A1
Document matching: Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

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