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Cross-brand designation analysis

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One base designation across loaded brands

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Dimensions verified

“NNU41” across 2 loaded brands

At least two brands share the same bore, outside diameter and width. Use Custom Compare when you want to choose exact suffix variants yourself.

Technical comparison

Brand differences at a glance

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ParameterSKFNNU 41/500 M/W33500 × 830 × 325 mmFAGNNU41/500-M500 × 830 × 325 mm
Comparable specifications
BrandSKFFAG
DesignationNNU 41/500 M/W33NNU41/500-M
Product familyCylindrical roller bearings—
Detailed typeDouble row cylindrical roller bearingCylindrical roller bearings
Series—NNU41/500
Bore diameterd500 mm500 mm
Outside diameterD830 mm830 mm
WidthB325 mm325 mm
Basic dynamic load ratingC7480 kN7200 kN
Basic static load ratingC015000 kN14700 kN
Fatigue load limitPu1120 kN1290 kN
Reference speednref600 r/min—
Limiting speednG800 r/min—
Mass≈m710 kg710 kg
Precision class—PN — Normal (ISO 492:2023)
Internal clearanceCNCN (Group N) — Normal internal clearance
SealingWithout—
Cage—M — Brass Cage
LubricantNone—
Minimum operating temperatureTmin—-30 °C
Maximum operating temperatureTmax—150 °C
Capabilities & suitability
Largebearing—Yes
Dimensions
Minimum chamfer dimensionr1 min—7.5 mm
Minimum chamfer dimensionr1 min—0.295 in
Raceway diameter inner ringF582 mm582 mm
Raceway diameter inner ringF—22.913 in
Axial displacements—11.7 mm
Axial displacements—0.461 in
Shoulder diameter outer ringD1—725 mm
Shoulder diameter outer ringD1—28.543 in
Engineering — Abutment dimensions
Abutment diameter spacer sleeved amax. 568 mm—
Abutment diameter shaftd bmin. 587 mm—
Abutment diameter spacer sleeve / housingD amax. 797 mm—
Fillet radiusr amax. 6 mm—
Fillet radiusr bmax. 6 mm—
Engineering — Calculation data
Calculation factork r0.33—
Engineering — Dimensions
Overall bearing widthB325 mm—
Shoulder diameter outer ringD 1≈ 734 mm—
Width of annular grooveb22.3 mm—
Diameter lubrication holeK12 mm—
Chamfer dimension outer ringr 1,2min. 7.5 mm—
Chamfer dimension inner ringr 3,4min. 7.5 mm—
Permissible axial displacement from the normal position of one bearing ring relative to the othersmax. 14.1 mm—
Engineering — Engineering specifications
Design variant/featureNNU/W33—
Logistics
Product net weight710.0 kg—
eClass code23-05-09-01—
UNSPSC code31171505—
Main Dimensions & Performance Data
Basic dynamic load rating, radialCr—7,200,000 N
Basic dynamic load rating, radialCr—1,618,705.036 lbf
Basic static load rating, radialC0r—14,700,000 N
Basic static load rating, radialC0r—3,304,856.115 lbf
Fatigue load limit, radialCur—1,290,000 N
Fatigue load limit, radialCur—290,017.986 lbf
Limiting speed for grease lubricationnG Grease—1,000 1/min
Limiting speed for oil lubricationnG Oil—1,180 1/min
Manufacturer Identity
Schaeffler Product Code—374559
Base Type—NNU41/500
Gpsd Group—F01
Product Line Id—75
SAP material number—0192320710000
Base product—2305090141
Bearing X designation—NNU41/500-M
Mounting Manager ID—NNU41/500-M
Grease application ID—NNU41/500-M
Mounting dimensions
Diameter shaft shoulderda—532 mm
Diameter shaft shoulderda—20.945 in
Diameter of housing shoulderDa—798 mm
Diameter of housing shoulderDa—31.417 in
Maximum recess radiusra1 max—6 mm
Maximum recess radiusra1 max—0.236 in
Product characteristics
Tolerance classPN—Normal (ISO 492:2023)
Radial internal clearanceCN (Group N)—Normal internal clearance
Number of rows2—Double-row design
Product identity
Official product categoryCylindrical roller bearings—
Official taxonomy path/products/rolling-bearings/roller-bearings/cylindrical-roller-bearings/double-row-cylindrical-roller-bearings—
Structure group IDBC2_001—
Available from SKFYes—
RemanufacturableYes—
Product Identity
Short Description—Cylindrical roller bearing
Properties
Bearing partComplete bearing—
Axial displacement capabilityIn both directions—
Number of rows2—
Locating feature, bearing outer ringWithout—
Bore typeCylindrical—
Number of flanges, outer ring3—
Number of flanges, inner ring0—
Loose flangeNone—
Radial internal clearanceCN—
CoatingWithout—
Relubrication featureWith—
Candidate for remanufacturingYes—
Indicative carbon footprint for new product2627.0 kg CO 2 e—
Indicative carbon footprint for remanufactured product873.0 kg CO 2 e—
Technical Data
Bore Diameter (D)—500 mm
Outside Diamater (D)—830 mm
Total Width (B)—325 mm
Basic Dynamic Load Rating, Radial (Cr)—7,200,000 N
Basic Static Load Rating, Radial (C0R)—14,700,000 N
Raceway Diameter Inner Ring (F)—582 mm
Operating Temperature Min. (Tmin)—-30 °C
Limiting Speed For Grease Lubrication (Ng Grea)—1,000 1/min
Minimum Diameter Shaft Shoulder (Da)—532 mm
Limiting Speed (Ng Oil)—1,180 1/min
Operating Temperature Max. (Tmax)—150 °C
Maximum Diameter Of Housing Shoulder (Da)—798 mm
Minimum Chamfer Dimension (R1 Min)—7.5 mm
Shoulder Diameter Outer Ring (D1)—725 mm
Axial Displacement (S)—11.7 mm
Maximum Recess Radius (Ra1 Max)—6 mm
Fatigue Load Limit, Radial (Cur)—1,290,000 N
Temperature range
Operating temperature min.Tmin—-30 °C
Operating temperature min.Tmin—-22 °F
Operating temperature max.Tmax—150 °C
Operating temperature max.Tmax—302 °F

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