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Cross-brand designation analysis

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One base designation across loaded brands

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Data incomplete

“81240” across 2 loaded brands

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Technical comparison

Brand differences at a glance

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ParameterSKF81240 M200 × 280 × mmINA81240-M200 × 280 × 62 mm
Comparable specifications
BrandSKFINA
Designation81240 M81240-M
Product familyCylindrical roller thrust bearings—
Detailed typeSingle row cylindrical roller thrust bearing, single directionAxial cylindrical roller bearing
Series—81240
Bore diameterd200 mm200 mm
Outside diameterD280 mm280 mm
WidthB—62 mm
HeightH62 mm—
Basic dynamic load ratingC720 kN—
Basic static load ratingC03100 kN—
Fatigue load limitPu255 kN—
Reference speednref500 r/min445 r/min
Limiting speednG1000 r/min1180 r/min
Mass≈m12.6 kg12.614 kg
CageMachined brass—
Bearing materialBearing steel—
Minimum operating temperatureTmin—-30 °C
Maximum operating temperatureTmax—120 °C
Engineering — Abutment dimensions
Abutment diameter shaftd amin. 275 mm—
Abutment diameter housingD amax. 210 mm—
Fillet radiusr amax. 2 mm—
Engineering — Calculation data
Minimum axial load factorA0.77—
Engineering — Dimensions
Outside diameter shaft washerd 1277 mm—
Bore diameter housing washerD 1204 mm—
Height shaft washerB18 mm—
Chamfer dimension housing washerr 1,2min. 2 mm—
Engineering — Included products
Roller and cage thrust assemblyK 81240 M—
Shaft washerWS 81240—
Housing washerGS 81240—
Logistics
Product net weight12.6 kg—
UNSPSC code31171505—
Manufacturer Identity
Schaeffler Product Code—395911
Base Type—81240
Old Designation—["812 40 M","81240MPB"]
Gpsd Group—I02
Product Line Id—63
Product identity
Official product categoryCylindrical roller thrust bearings—
Official taxonomy path/products/rolling-bearings/roller-bearings/cylindrical-roller-thrust-bearings—
Structure group IDBGS_001_002_003—
Available from SKFYes—
RemanufacturableNo—
Product Identity
Construction—Axial cylindrical roller bearing 812..-M, single row
Short Description—Axial cylindrical roller bearing
Properties
Bearing partComplete bearing—
Axial load capabilitySingle-direction—
Number of rows1—
Tolerance classNormal—
Material, bearingBearing steel—
CoatingWithout—
Indicative carbon footprint for new product46.6 kg CO 2 e—
Technical Data
Bore Diameter (D)—200 mm
Outside Diameter (D)—280 mm
Width (B)—62 mm
Basic Dynamic Load Rating, Axial (Ca)—900,000 N
Basic Static Load Rating, Axial (C0A)—3,150,000 N
Operating Temperature Min. (Tmin)—-30 °C
Minimum Diameter Shaft Shoulder (Da)—275 mm
Operating Temperature Max. (Tmax)—120 °C
Limiting Speed (Ng)—1,180 1/min
Reference Speed (Nϑr)—445 1/min
Maximum Recess Radius (Ra Max)—2 mm
Maximum Diameter Of Housing Shoulder (Da)—210 mm
Rip Diameter Shaft Washer (D1)—277 mm
Bore Diameter Housing Washer (D1)—204 mm
Minimum Chamfer Dimension (Rmin)—2 mm
Fatigue Load Limit, Axial (Cua)—300,000 N

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