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Cross-brand designation analysis

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One base designation across loaded brands

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“C3176” across 2 loaded brands

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Technical comparison

Brand differences at a glance

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ParameterSKFC 3176 KMB/C3380 × 620 × 194 mmFAGC3176-XL-K-M-T52BW-C3380 × 620 × 194 mm
Comparable specifications
BrandSKFFAG
DesignationC 3176 KMB/C3C3176-XL-K-M-T52BW-C3
Product familyCARB toroidal roller bearings—
Detailed typeCarb toroidal roller bearing with tapered bore (1:12)Toroidal roller bearing
Series—C3176
Bore diameterd380 mm380 mm
Outside diameterD620 mm620 mm
WidthB194 mm194 mm
Basic dynamic load ratingC4400 kN4950 kN
Basic static load ratingC07200 kN8200 kN
Fatigue load limitPu520 kN720 kN
Reference speednref750 r/min455 r/min
Limiting speednG1000 r/min990 r/min
Mass≈m236 kg243 kg
Internal clearanceC3—
SealingWithout—
CageMachined brassM — Solid brass cage, ball guided
LubricantNone—
Minimum operating temperatureTmin—-30 °C
Maximum operating temperatureTmax—200 °C
Calculation factors
Operating clearance factor kδkδ—0.544
Tilting factor kφkφ—20.41
Capabilities & suitability
Radial load capacity—Yes
Suitable for grease lubrication—Yes
Unsealed design—Yes
Staticangularerrorandmisalignment—Yes
Dynamicangularerrorandmisalignment—Yes
Dimensions
Minimum chamfer dimensionrmin—5 mm
Minimum chamfer dimensionrmin—0.197 in
Shoulder diameter of IRd2—448.4 mm
Shoulder diameter of IRd2—17.654 in
Shoulder diameter outer ringD1—548.6 mm
Shoulder diameter outer ringD1—21.598 in
Axial displacementS1—25.4 mm
Axial displacementS1—1 in
Engineering — Abutment dimensions
Diameter of shaft abutmentd amax. 445 mm—
Diameter of housing abutmentD amin. 526 mm—
Abutment diameter housingD amax. 600 mm—
Minimum width of space required in housingC amin. 7.3 mm—
Radius of filletr amax. 4 mm—
Engineering — Calculation data
SKF performance classSKF Explorer—
Misalignment factork 10—
Internal clearance factork 20.11—
Engineering — Dimensions
Shoulder diameter of inner ringd 2≈ 446 mm—
Shoulder or recess diameter of outer ringD 1≈ 551 mm—
Permissible axial displacements 1max. 25.4 mm—
Chamfer dimensionr 1,2min. 5 mm—
Engineering — Engineering specifications
Bore typeTapered 1:12—
Logistics
Product net weight236.0 kg—
eClass code23-05-09-13—
UNSPSC code31171505—
Main Dimensions & Performance Data
Basic dynamic load rating, radialCr—4,950,000 N
Basic dynamic load rating, radialCr—1,112,859.712 lbf
Basic static load rating, radialC0r—8,200,000 N
Basic static load rating, radialC0r—1,843,525.18 lbf
Fatigue load limit, radialCur—720,000 N
Fatigue load limit, radialCur—161,870.504 lbf
Manufacturer Identity
Schaeffler Product Code—2249554
Base Type—C3176
Gpsd Group—F03
Product Line Id—78
X Life Marking—XL
SAP material number—0847980680030
Base product—2305091390
Mounting dimensions
Minimum diameter shaft shoulderda min—400 mm
Minimum diameter shaft shoulderda min—15.748 in
Maximum diameter shaft shoulderda max—474 mm
Maximum diameter shaft shoulderda max—18.661 in
Minimum diameter of housing shoulderDa min—523 mm
Minimum diameter of housing shoulderDa min—20.591 in
Maximum diameter of housing shoulderDa max—600 mm
Maximum diameter of housing shoulderDa max—23.622 in
Maximum fillet radiusra max—4 mm
Maximum fillet radiusra max—0.157 in
Minimum depth of free space CaCa—1.26 mm
Minimum depth of free space CaCa—0.05 in
Product characteristics
Bore typeZ—Cylindrical
Product identity
Official product categoryCARB toroidal roller bearings—
Official taxonomy path/products/rolling-bearings/roller-bearings/carb-toroidal-roller-bearings—
Structure group IDBSC_001—
Available from SKFYes—
RemanufacturableYes—
Product Identity
Construction—Toroidal roller bearing C31..-XL-K-M
Short Description—Toroidal roller bearing
Properties
Number of rows1—
Locating feature, bearing outer ringWithout—
Radial internal clearanceC3—
Tolerance classNormal—
Relubrication featureWithout—
Candidate for remanufacturingYes—
Indicative carbon footprint for new product873.0 kg CO 2 e—
Indicative carbon footprint for remanufactured product290.0 kg CO 2 e—
Technical Data
Bore Diameter (D)—380 mm
Outside Diameter (D)—620 mm
Width (B)—194 mm
Basic Dynamic Load Rating, Radial (Cr)—4,950,000 N
Basic Static Load Rating, Radial (C0R)—8,200,000 N
Operating Temperature Min. (Tmin)—-30 °C
Limiting Speed (Ng)—990 1/min
Operating Temperature Max. (Tmax)—200 °C
Reference Speed (Nϑr)—455 1/min
Minimum Diameter Of Housing Shoulder (Da Min)—523 mm
Axial Displacement (S1)—25.4 mm
Minimum Depth Of Free Space Ca (Ca)—1.26 mm
Operating Clearance Factor Kδ (Kδ)—0.544
Shoulder Diameter Of Ir (D2)—448.4 mm
Tilting Factor Kφ (Kφ)—20.41
Fatigue Load Limit, Radial (Cur)—720,000 N
Maximum Diameter Of Shaft Shoulder (Da Max)—474 mm
Minimum Diameter Shaft Shoulder (Da Min)—400 mm
Maximum Diameter Of Housing Shoulder (Da Max)—600 mm
Minimum Chamfer Dimension (Rmin)—5 mm
Maximum Fillet Radius (Ra Max)—4 mm
Shoulder Diameter Outer Ring (D1)—548.6 mm
Temperature range
Operating temperature min.Tmin—-30 °C
Operating temperature min.Tmin—-22 °F
Operating temperature max.Tmax—200 °C
Operating temperature max.Tmax—392 °F

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