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INA / Slewing ring, 4 point contact bearing, external gear teeth

INA VSA200844-N

Slewing ring, 4 point contact bearing, external gear teeth technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
772 mm
Outside diameterD
950.1 mm
WidthB
56 mm
Dynamic load ratingC
163 kN
Static load ratingC0
620 kN
Mass≈m
71 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 specifications9 parameters
Core specifications
ParameterSymbolValue
SeriesVSA200844
Bore diameterd772 mm
Outside diameterD950.1 mm
WidthB56 mm
Basic dynamic load ratingC163 kN
Basic static load ratingC0620 kN
Mass≈m71 kg
Minimum operating temperatureTmin-25 °C
Maximum operating temperatureTmax80 °C
Manufacturer Identity3 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code398304
BrandINA
Base TypeVSA200844
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionSlewing ring, 4 point contact bearing, external gear teeth
Short DescriptionSlewing ring, 4 point contact bearing, external gear teeth
Technical Data32 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D1)772 mm
Outside Diameter (Da)950.1 mm
Total Height (H)56 mm
Basic Static Load Rating, Axial (C0A)1,360,000 N
Number Of Teeth (Z)117
Profile Shift (Profile Shif)-0.119 mm
Height Of Individual Ring (H)44.5 mm
Operating Temperature Min. (Tmin)-25 °C
Pitch Circle Diameter Gearing (D0)936 mm
Modul Of Gearing (M)8 mm
Basic Dynamic Load Rating, Axial (Ca)180,000 N
Operating Temperature Max. (Tmax)80 °C
Pitchcircle Diameter Fixing Holes Inner Ring (Li)798 mm
Outside Diameter Inner Ring Upper Tolerance (Outside Diam)0 mm
Bore Diameter Lower Tolerance (Bore Diamete)0 mm
Max. Tooth Force Root Fatigue Strenght (At A Shock Factor Of 1,2) (Fz Norm)28,300 N
Inner Diameter Outer Ring (Di)845.5 mm
Number Of Fixing Holes In Inner Ring (Ni)40
Fixing Bore (Db)14 mm
Outside Diameter Inner Ring (Da)842.5 mm
Basic Dynamic Load Rating, Radial (Cr)163,000 N
Inner Diameter Outer Ring Upper Tolerance (Inner Diamet)0.6 mm
Thread Depth Oil Connector (Tg)20 mm
Bore Diameter Upper Tolerance (Bore Diamete)0.6 mm
Max. Tooth Force Against Tooth Fracture (At A Shock Factor Of 1,35) (Fz Max)42,000 N
Outside Diameter Inner Ring Lower Tolerance (Outside Diam)-0.6 mm
Basic Static Load Rating, Radial (C0R)620,000 N
Pitch Circle Diameter Fixing Holes (La)885 mm
Max. Radial Load Screws (Frictional Contact) (Fr Zul)148,700 N
Width Outer Ring (Ha)44.5 mm
Number Of Fixing Holes In Outer Ring (Na)36
Inner Diameter Outer Ring Lower Tolerance (Inner Diamet)0 mm

Technical documents & data sheet

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Record identity
INA VSA200844-N
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