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ParameterFAGQJ1040-MPA200 × 310 × 51 mmNSKQJ1040200 × 310 × 51 mm
Comparable specifications
BrandFAGNSK
DesignationQJ1040-MPAQJ1040
Product family—Four point contact ball bearing
Detailed typeFour-point contact bearingFour point contact ball bearing
SeriesQJ1040—
Bore diameterd200 mm200 mm
Outside diameterD310 mm310 mm
WidthB51 mm51 mm
Basic dynamic load ratingC390 kN—
Basic static load ratingC0620 kN—
Fatigue load limitPu22 kN—
Reference speednref1890 r/min—
Limiting speednG3600 r/min—
Mass≈m15 kg15 kg
Precision classPN — Normal (ISO 492:2023)—
CageMPA — Solid brass cage, outer ring guidedMachined brass
Minimum operating temperatureTmin-30 °C—
Maximum operating temperatureTmax200 °C—
Axial load ratings
Basic dynamic axial load ratingCa—380000 N
Basic static axial load ratingC0a—1020000 N
Boundary dimensions
Individual bearing widthB—51 mm
Minimum bearing chamferr min.—2.1 mm
Capabilities & suitability
Radial load capacityYes—
Axial load capacity in one directionYes—
Axial load capacity in both directionsYes—
Suitable for grease lubricationYes—
Suitable for oil lubricationYes—
Unsealed designYes—
Construction
Nominal contact angleα—35 °
Cage material and construction—Machined brass
Construction / arrangement—Four-point contact bearing, split inner ring
Dimensions
Minimum chamfer dimensionrmin2.1 mm—
Minimum chamfer dimensionrmin0.083 in—
Shoulder diameter outer ringD1271.5 mm—
Shoulder diameter outer ringD110.689 in—
Shoulder diameter inner ringd1238.88 mm—
Shoulder diameter inner ringd19.405 in—
Distance between the apexes of the pressure conesa178.6 mm—
Distance between the apexes of the pressure conesa7.031 in—
Contact angleα35 °—
Load-centre geometry
Load-centre spacinga0—178.6 mm
Lubrication-qualified speed
Limiting speed — grease—1500 r/min
Limiting speed — oil—2000 r/min
Main Dimensions & Performance Data
Basic dynamic load rating, radialCr390,000 N—
Basic dynamic load rating, radialCr87,679.856 lbf—
Basic static load rating, radialC0r620,000 N—
Basic static load rating, radialC0r139,388.489 lbf—
Fatigue load limit, radialCur22,000 N—
Fatigue load limit, radialCur4,946.043 lbf—
Manufacturer Identity
Schaeffler Product Code366402—
Base TypeQJ1040—
Old Designation["QJ1040MPA"]—
Gpsd GroupS03—
Product Line Id14—
SAP material number0192598160000—
Base product230508AD41—
Bearing X designationQJ1040-MPA—
Mounting Manager IDQJ1040-MPA—
Grease application IDQJ1040-MPA—
Mass reference
Approximate mass—15 kg
Mounting dimensions
Minimum diameter shaft shoulderda min210.2 mm—
Minimum diameter shaft shoulderda min8.276 in—
Maximum diameter of housing shoulderDa max299.8 mm—
Maximum diameter of housing shoulderDa max11.803 in—
Maximum fillet radiusra max2.1 mm—
Maximum fillet radiusra max0.083 in—
Mounting dimensions — shown arrangement
Minimum shaft shoulder diameterda min.—212 mm
Maximum housing shoulder diameterDa max.—298 mm
Maximum adjacent fillet radiusra max.—2 mm
Product characteristics
Tolerance classPNNormal (ISO 492:2023)—
Dimensional / heat stabilizationS1Rings dimensional stabilized up to 200°—
Axial internal clearanceCNGroup N (CN)—
Product Identity
ConstructionFour point contact bearing QJ10..-MPA, solid brass cage—
Short DescriptionFour-point contact bearing—
Technical Data
Bore Diameter (D)200 mm—
Outside Diameter (D)310 mm—
Width (B)51 mm—
Basic Dynamic Load Rating, Radial (Cr)390,000 N—
Basic Static Load Rating, Radial (C0R)620,000 N—
Operating Temperature Min. (Tmin)-30 °C—
Limiting Speed (Ng)3,600 1/min—
Operating Temperature Max. (Tmax)200 °C—
Reference Speed (Nϑr)1,890 1/min—
Fatigue Load Limit, Radial (Cur)22,000 N—
Minimum Diameter Shaft Shoulder (Da Min)210.2 mm—
Shoulder Diameter Inner Ring (D1)238.88 mm—
Maximum Diameter Of Housing Shoulder (Da Max)299.8 mm—
Minimum Chamfer Dimension (Rmin)2.1 mm—
Maximum Fillet Radius (Ra Max)2.1 mm—
Shoulder Diameter Outer Ring (D1)271.5 mm—
Contact Angle (Α)35 °—
Distance Between The Apexes Of The Pressure Cones (A)178.6 mm—
Temperature range
Operating temperature min.Tmin-30 °C—
Operating temperature min.Tmin-22 °F—
Operating temperature max.Tmax200 °C—
Operating temperature max.Tmax392 °F—

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