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TIMKEN / Ts - tapered single

TIMKEN 315 / 312

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

Technical data available
Bore diameterd
25.4 mm
Outside diameterD
72.625 mm
WidthB
26.987 mm
Dynamic load ratingC
74.9 kN
Static load ratingC0
74.8 kN
Mass≈m
0.52 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
Series315
Variant / constructionTS - Tapered Single
Bore diameterd25.4 mm
Outside diameterD72.625 mm
WidthB26.987 mm
Basic dynamic load ratingC74.9 kN
Basic static load ratingC074.8 kN
Mass≈m0.52 kg
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor2.32
Y1 Factor2.38
Y2 Factor-1.00
Y0 Factor1.31
E Factor0.25
Cg Factor0.0602
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number100033839100032614
World Assembly Part Number315 / 312
Inner Ring Part Number315
Outer Ring Part Number312
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 Width26.987 mm
Radial Rating19,400 N
Axial Rating8,370 N
Dynamic Rating C174,900 N
Dynamic Rating C9019,400 N
Dynamic Axial Rating Ca908,370 N
Dynamic Axial Rating Ca132,300 N
Static Radial Rating C074,800 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A54,800 N

Technical documents & data sheet

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Record identity
TIMKEN 315 / 312
Document matching
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