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TIMKEN / Radial deep-groove ball

TIMKEN 618/750MA

Deep groove ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
750 mm
Outside diameterD
920 mm
WidthB
78 mm
Dynamic load ratingC
473 kN
Static load ratingC0
1010 kN
Mass≈m
242.51 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 specifications10 parameters
Core specifications
ParameterSymbolValue
Series61800
Variant / constructionRadial Deep-Groove Ball
Bore diameterd750 mm
Outside diameterD920 mm
WidthB78 mm
Basic dynamic load ratingC473 kN
Basic static load ratingC01010 kN
Mass≈m242.51 kg
SealingOpen
CageBrass cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor0.00
Y1 Factor0.00
Y2 Factor0.00
Y0 Factor0.50
E Factor0.00
Cg Factor0.1986
Manufacturer Identity6 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000101973635
World Assembly Part Number618/750MA
Upc0013992462268
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.49
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionRadial Deep-Groove Ball
ConstructionSingle Row Deep Groove Ball Bearing | Imperial Series | 29.5276 in Bore | 36.2205 in OD | 3.0709 in Width | Open | Cylindrical Bore | Brass Cage | C0 Clearance | ISO P0 Tolerance
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating0 N
Axial Rating0 N
Dynamic Rating C1473,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C01,010,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN 618/750MA
Document matching
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