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INA / Cylindrical roller bearings

INA SL182944-B-XL-C4

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

Technical data available
Bore diameterd
220 mm
Outside diameterD
300 mm
WidthB
48 mm
Dynamic load ratingC
650 kN
Static load ratingC0
1030 kN
Limiting speednG
1390 r/min

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 specifications12 parameters
Core specifications
ParameterSymbolValue
SeriesSL182944
Bore diameterd220 mm
Outside diameterD300 mm
WidthB48 mm
Basic dynamic load ratingC650 kN
Basic static load ratingC01030 kN
Fatigue load limitPu152 kN
Reference speednref840 r/min
Limiting speednG1390 r/min
Mass≈m9.596 kg
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax120 °C
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code375829
BrandINA
Base TypeSL182944
Old Designation["SL182944-B-C4"]
X Life MarkingXL
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionCylindrical roller bearing SL18, full complement roller set, single row, semi-locating bearing, 1 rib on outer ring, 2 ribs on inner ring, type SL18
Short DescriptionCylindrical roller bearing
Technical Data20 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)220 mm
Outside Diamater (D)300 mm
Total Width (B)48 mm
Basic Dynamic Load Rating, Radial (Cr)650,000 N
Basic Static Load Rating, Radial (C0R)1,030,000 N
Operating Temperature Min. (Tmin)-30 °C
Minimum Diameter Shaft Shoulder (Da)246.3 mm
Operating Temperature Max. (Tmax)120 °C
Limiting Speed (Limiting Spe)1,390 1/min
Minimum Shaft Shoulder (Dc Min)246 mm
Reference Speed (Nϑr)840 1/min
Maximum Recess Radius (Ra Max)2.1 mm
Maximum Diameter Of Housing Shoulder (Da)273 mm
Maximum Rib Diameter Inner Ring (D1)246.3 mm
Axial Displacement (S)3 mm
Minimum Rib Diameter Outer Ring (D1 Min)273.2 mm
Minimum Chamfer Dimension (Rmin)2.1 mm
Raceway Diameter Outer Ring (E)282.5 mm
Minimum Diameter Of Housing Shoulder (De Min)282 mm
Fatigue Load Limit, Radial (Cur)152,000 N

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
INA SL182944-B-XL-C4
Document matching
Exact designation, assembly scope, revision and units must agree.

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