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TIMKEN / Ts - tapered single

TIMKEN 1985 / 1930

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

Technical data available
Bore diameterd
28.575 mm
Outside diameterD
56.896 mm
WidthB
19.845 mm
Dynamic load ratingC
48.4 kN
Static load ratingC0
50.2 kN
Mass≈m
0.22 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 specifications8 parameters
Core specifications
ParameterSymbolValue
Series1900
Variant / constructionTS - Tapered Single
Bore diameterd28.575 mm
Outside diameterD56.896 mm
WidthB19.845 mm
Basic dynamic load ratingC48.4 kN
Basic static load ratingC050.2 kN
Mass≈m0.22 kg
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.77
Y1 Factor1.82
Y2 Factor-1.00
Y0 Factor1.00
E Factor0.33
Cg Factor0.0565
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number100156141100072656
World Assembly Part Number1985 / 1930
Inner Ring Part Number1985
Outer Ring Part Number1930
Official Source SystemTS_PREPAIR
Official Last Run2026-08-23T00:00:00
Product Identity3 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTS - Tapered Single
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width21.355 mm
Radial Rating12,500 N
Axial Rating7,080 N
Dynamic Rating C148,400 N
Dynamic Rating C9012,500 N
Dynamic Axial Rating Ca907,080 N
Dynamic Axial Rating Ca127,300 N
Static Radial Rating C050,200 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A48,300 N

Technical documents & data sheet

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Record identity
TIMKEN 1985 / 1930
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