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You entered 23980-CCK-C3W33. This table explores the base group 23980; it does not preserve or approve every requested suffix. Search your complete marking first →

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One base designation across loaded brands

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“23980” across 5 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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ParameterSKF23980 CC/W33400 × 540 × 106 mmFAG23980-B-MB400 × 540 × 106 mmTIMKEN23980EMBW33400 × 540 × 106 mmNSK23980CAME4400 × 540 × 106 mmKOYO23980R400 × 540 × 106 mm
Comparable specifications
BrandSKFFAGTIMKENNSKKOYO
Designation23980 CC/W3323980-B-MB23980EMBW3323980CAME423980R
Product familySpherical roller bearings—Radial SRBSpherical roller bearingSpherical roller bearings
Detailed typeSpherical roller bearing with relubrication featuresSpherical roller bearingsSpherical roller bearingsSpherical roller bearingsSpherical roller bearings
Series—23980EX26366——
Bore diameterd400 mm400 mm400 mm400 mm400 mm
Outside diameterD540 mm540 mm540 mm540 mm540 mm
WidthB106 mm106 mm106 mm106 mm106 mm
Basic dynamic load ratingC2038 kN1830 kN2180 kN2370 kN2350 kN
Basic static load ratingC03900 kN4150 kN4020 kN4250 kN4300 kN
Fatigue load limitPu290 kN280 kN——320 kN
Reference speednref1100 r/min710 r/min———
Limiting speednG1200 r/min1290 r/min——470 r/min
Mass≈m68.8 kg71.66 kg69.13 kg69.1 kg73 kg
Precision classNormal————
Internal clearanceCNCN (Group N) — Normal internal clearance—CN—
SealingWithout—Open——
CageSheet metalMB — Solid brass cageBrass cageMachined brass—
LubricantNone————
Minimum operating temperatureTmin—-30 °C———
Maximum operating temperatureTmax—200 °C———
Boundary dimensions
Bearing widthB———106 mm—
Minimum bearing chamferr min.———4 mm—
Calculation Factors
K Factor——0.00——
Y1 Factor——3.99——
Y2 Factor——5.94——
Y0 Factor——3.90——
E Factor——0.17——
Cg Factor——0.1459——
Calculation factors
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye—0.18———
Dynamic axial load factorY1—3.71———
Dynamic axial load factorY2—5.52———
Static axial load factorY0—3.63—3.8—
Capabilities & suitability
Radial load capacity—Yes———
Axial load capacity in one direction—Yes———
Axial load capacity in both directions—Yes———
Suitable for grease lubrication—Yes———
Suitable for oil lubrication—Yes———
Unsealed design—Yes———
Largebearing—Yes———
Staticangularerrorandmisalignment—Yes———
Dynamicangularerrorandmisalignment—Yes———
Classification
Official Category Path————Spherical roller bearings - Spherical roller bearings
Official Classification 1————Spherical roller bearings
Construction
Bore construction———Cylindrical bore—
Cage material and manufacture———Machined brass—
Outer-ring lubrication features———E4: oil groove and oil holes—
Internal clearance — catalogue omission rule———CN (normal), where no clearance suffix is specified—
Precision — catalogue omission rule———ISO Normal, where no precision suffix is specified—
Catalogue NSK HPS marking———Marked with an asterisk (HPS)—
Dimensions
Minimum chamfer dimensionrmin—4 mm———
Minimum chamfer dimensionrmin—0.157 in———
Bore diameter outer ringD1—499 mm———
Bore diameter outer ringD1—19.646 in———
Diameter lubrication holeds—9.5 mm———
Diameter lubrication holeds—0.374 in———
Width of lubricating groovens—17.7 mm———
Width of lubricating groovens—0.697 in———
Engineering — Abutment dimensions
Diameter of shaft abutmentd amin. 415 mm————
Diameter of housing abutmentD amax. 525 mm————
Radius of filletr amax. 3 mm————
Engineering — Calculation data
SKF performance classSKF Explorer————
Limiting valuee0.16————
Calculation factorY 14.2————
Calculation factorY 26.3————
Calculation factorY 04————
Engineering — Dimensions
Shoulder diameter of inner ringd 2≈ 439 mm————
Shoulder/recess diameter of outer ringD 1≈ 500 mm————
Width of lubrication grooveb13.9 mm————
Diameter of lubrication holeK7.5 mm————
Chamfer dimensionr 1,2min. 4 mm————
ISO tolerance class for dimensionsNormal————
Engineering — Engineering specifications
Bore typeCylindrical————
Engineering — Radial internal clearance
Minimum initial clearance220 µm————
Maximum initial clearance340 µm————
Engineering — Tolerances of run-out
ISO tolerance class for geometrical tolerancesNormal————
Equivalent-load factors
Dynamic load ratio thresholde———0.18—
Dynamic axial factor above thresholdY2———5.7—
Dynamic axial factor at or below thresholdY3———3.9—
Load ratings
Basic dynamic radial load ratingCr———2370000 N—
Basic static radial load ratingC0r———4250000 N—
Logistics
Product net weight68.8 kg————
eClass code23-05-09-11————
UNSPSC code31171510————
Lubrication-qualified speed
Thermal speed rating — oil bath———1000 r/min—
Mechanical limiting speed — forced oil circulation———1400 r/min—
Limiting speed — grease———530 r/min—
Limiting speed — oil bath———630 r/min—
Main Dimensions & Performance Data
Basic dynamic load rating, radialCr—1,830,000 N———
Basic dynamic load rating, radialCr—411,420.863 lbf———
Basic static load rating, radialC0r—4,150,000 N———
Basic static load rating, radialC0r—933,003.597 lbf———
Fatigue load limit, radialCur—280,000 N———
Fatigue load limit, radialCur—62,949.64 lbf———
Manufacturer Identity
Schaeffler Product Code—392176———
Material Number——000000000190032139——
Official Class Key————060-010-000
Base Type—23980———
World Assembly Part Number——23980EMBW33——
Gpsd Group—F03———
Inner Ring Part Number——400ASDY39——
Product Line Id—78———
Outer Ring Part Number——400ESDC39W33——
X Life Marking—n.r.———
Drawing Number——M946634——
Upc——0087796046931——
Official Source System——CORE BP - DS DF——
Official Last Run——2026-08-23T20:02:46.74——
SAP material number—0383811500000———
Base product—2305091131———
Bearing X designation—23980-B-MB———
Mounting Manager ID—23980-B-MB———
Grease application ID—23980-B-MB———
Mounting dimensions
Minimum shaft shoulder diameterda min.———418 mm—
Maximum shaft shoulder diameterda max.———Not stated in this catalogue row—
Maximum housing shoulder diameterDa max.———522 mm—
Minimum housing shoulder diameterDa min.———501 mm—
Maximum adjacent fillet radiusra max.———3 mm—
Minimum diameter shaft shoulderda min—414.6 mm———
Minimum diameter shaft shoulderda min—16.323 in———
Maximum diameter of housing shoulderDa max—525.4 mm———
Maximum diameter of housing shoulderDa max—20.685 in———
Maximum recess radiusra max—3 mm———
Maximum recess radiusra max—0.118 in———
Product characteristics
DesignB—With fixed central rib———
Bore typeZ—Cylindrical———
Radial internal clearanceCN (Group N)—Normal internal clearance———
Relubrication featureWithStandard———
Product identity
Official product categorySpherical roller bearings————
Official taxonomy path/products/rolling-bearings/roller-bearings/spherical-roller-bearings————
Structure group IDBS2_001————
Available from SKFYes————
RemanufacturableYes————
Product Identity
Construction—Spherical roller bearing 239..-B-MB, symmetric 3 ribsSpherical Roller Bearing | Imperial Series | 15.7480 in Bore | 21.2598 in OD | 4.1732 in Width | Open | Cylindrical Bore | Brass Cage | C0 Clearance | Bearing contains application features——
Short Description—Spherical Roller Bearing———
Type Description——Radial SRB——
Number Of Rows2—2——
Tapered Bore——N——
Properties
Locating feature, bearing outer ringWithout————
Radial internal clearanceCN————
Tolerance class for dimensionsNormal————
Tolerance class for run-outNormal————
Candidate for remanufacturingYes————
Indicative carbon footprint for new product255.0 kg CO 2 e————
Indicative carbon footprint for remanufactured product84.6 kg CO 2 e————
Reference mass
Approximate catalogue mass———69.1 kg—
Technical Data
d————540 mm
B————106 mm
R(Min.)————4 mm
Bore Diameter (D)—400 mm———
Basic Load Ratings : Cr————2350 kN
Outside Diamater (D)—540 mm———
Overall Width——0.000 mm——
Basic Load Ratings : C0R————4300 kN
Total Width (B)—106 mm———
Radial Rating——2,180,000 N——
Fatigue Load Limit : Cu————320 kN
Basic Dynamic Load Rating, Radial (Cr)—1,830,000 N———
Axial Rating——0 N——
Limiting Speeds(Grease Lub.)————470 min-1
Basic Static Load Rating, Radial (C0R)—4,150,000 N———
Dynamic Rating C1——2,180,000 N——
Limiting Speeds(Oil Lub.)————620 min-1
Diameter Lubrication Hole (Ds)—9.5 mm———
Dynamic Rating C90——0 N——
Constant E————0.18
Operating Temperature Min. (Tmin)—-30 °C———
Dynamic Axial Rating Ca90——0 N——
Axial Load Factors : Y1————3.76
Minimum Diameter Shaft Shoulder (Da)—414.6 mm———
Dynamic Axial Rating Ca1——0 N——
Axial Load Factors : Y2————5.59
Operating Temperature Max. (Tmax)—200 °C———
Static Radial Rating C0——4,020,000 N——
Axial Load Factors : Y0————3.67
Limiting Speed (Limiting Spe)—1,290 1/min———
Extended Dynamic Rating Ce——0 N——
Da(Min.)————418 mm
Reference Speed (Nϑr)—710 1/min———
Static Axial Rating C0A——0 N——
Da(Max.)————522 mm
Maximum Recess Radius (Ra Max)—3 mm———
Ra(Max.)————3 mm
Maximum Diameter Of Housing Shoulder (Da)—525.4 mm———
Mass(Refer.)————73.0 kg
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)—0.18———
Width Of Lubricating Groove (Ns)—17.7 mm———
Dynamic Axial Load Factor (Y1)—3.71———
Bore Diameter Outer Ring (D1)—499 mm———
Minimum Chamfer Dimension (Rmin)—4 mm———
Static Axial Load Factor (Y0)—3.63———
Dynamic Axial Load Factor (Y2)—5.52———
Fatigue Load Limit, Radial (Cur)—280,000 N———
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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