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TIMKEN / Ts - tapered single

TIMKEN SET661-900SA

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

Technical data available
Bore diameterd
24.987 mm
Outside diameterD
66 mm
WidthB
22 mm
Dynamic load ratingC
84.8 kN
Static load ratingC0
78.2 kN
Mass≈m
0.41 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
SeriesEX26697
Variant / constructionTS - Tapered Single
Bore diameterd24.987 mm
Outside diameterD66 mm
WidthB22 mm
Basic dynamic load ratingC84.8 kN
Basic static load ratingC078.2 kN
Mass≈m0.41 kg
Precision classABMA Class K
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.31
Y1 Factor1.35
Y2 Factor0.00
Y0 Factor0.74
E Factor0.44
Cg Factor0.0695
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000101715612
World Assembly Part NumberNP868033_NP666556
Inner Ring Part NumberNP868033
Outer Ring Part NumberNP666556
Drawing NumberA-57537
Upc0085706041618
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:46.317
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTS - Tapered Single
ConstructionSingle Row Tapered Roller Bearing Assembly | Imperial Series | 0.9837 in Bore | 2.5984 in OD | 0.8661 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class K
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width25.800 mm
Radial Rating22,000 N
Axial Rating16,700 N
Dynamic Rating C184,800 N
Dynamic Rating C9022,000 N
Dynamic Axial Rating Ca9016,700 N
Dynamic Axial Rating Ca164,500 N
Static Radial Rating C078,200 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A101,000 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 SET661-900SA
Document matching
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