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TIMKEN / Tsf - tapered single flanged

TIMKEN 48685-90031

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

Technical data available
Bore diameterd
142.875 mm
Outside diameterD
200.025 mm
WidthB
12.7 mm
Dynamic load ratingC
286 kN
Static load ratingC0
560 kN
Mass≈m
3.87 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
Series48600
Variant / constructionTSF - Tapered Single Flanged
Bore diameterd142.875 mm
Outside diameterD200.025 mm
WidthB12.7 mm
Basic dynamic load ratingC286 kN
Basic static load ratingC0560 kN
Mass≈m3.87 kg
Precision classABMA Class 0
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.74
Y1 Factor1.78
Y2 Factor0.00
Y0 Factor0.98
E Factor0.34
Cg Factor0.1261
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100038889
World Assembly Part Number48685_48620-B
Inner Ring Part Number48685
Outer Ring Part Number48620-B
Drawing NumberB-52867
Upc0053893315249
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.29
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTSF - Tapered Single Flanged
ConstructionPrecision Tapered Roller Bearing Assembly | Imperial Series | 5.6250 in Bore | 7.8750 in OD | 1.6250 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 0
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width42.688 mm
Radial Rating74,300 N
Axial Rating42,800 N
Dynamic Rating C1286,000 N
Dynamic Rating C9074,300 N
Dynamic Axial Rating Ca9042,800 N
Dynamic Axial Rating Ca1165,000 N
Static Radial Rating C0560,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A549,000 N

Technical documents & data sheet

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Record identity
TIMKEN 48685-90031
Document matching
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