Cross-brand designation analysis
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Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
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Dimensions verified
“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
Choose exact variants instead →Brand differences at a glance
| Parameter | SKF23980 CC/W33400 × 540 × 106 mm | FAG23980-B-MB400 × 540 × 106 mm | TIMKEN23980EMBW33400 × 540 × 106 mm | NSK23980CAME4400 × 540 × 106 mm | KOYO23980R400 × 540 × 106 mm |
|---|---|---|---|---|---|
| Comparable specifications | |||||
| Brand | SKF | FAG | TIMKEN | NSK | KOYO |
| Designation | 23980 CC/W33 | 23980-B-MB | 23980EMBW33 | 23980CAME4 | 23980R |
| Product family | Spherical roller bearings | — | Radial SRB | Spherical roller bearing | Spherical roller bearings |
| Detailed type | Spherical roller bearing with relubrication features | Spherical roller bearings | Spherical roller bearings | Spherical roller bearings | Spherical roller bearings |
| Series | — | 23980 | EX26366 | — | — |
| Bore diameterd | 400 mm | 400 mm | 400 mm | 400 mm | 400 mm |
| Outside diameterD | 540 mm | 540 mm | 540 mm | 540 mm | 540 mm |
| WidthB | 106 mm | 106 mm | 106 mm | 106 mm | 106 mm |
| Basic dynamic load ratingC | 2038 kN | 1830 kN | 2180 kN | 2370 kN | 2350 kN |
| Basic static load ratingC0 | 3900 kN | 4150 kN | 4020 kN | 4250 kN | 4300 kN |
| Fatigue load limitPu | 290 kN | 280 kN | — | — | 320 kN |
| Reference speednref | 1100 r/min | 710 r/min | — | — | — |
| Limiting speednG | 1200 r/min | 1290 r/min | — | — | 470 r/min |
| Mass≈m | 68.8 kg | 71.66 kg | 69.13 kg | 69.1 kg | 73 kg |
| Precision class | Normal | — | — | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | CN | — |
| Sealing | Without | — | Open | — | — |
| Cage | Sheet metal | MB — Solid brass cage | Brass cage | Machined brass | — |
| Lubricant | None | — | — | — | — |
| 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 a | min. 415 mm | — | — | — | — |
| Diameter of housing abutmentD a | max. 525 mm | — | — | — | — |
| Radius of filletr a | max. 3 mm | — | — | — | — |
| Engineering — Calculation data | |||||
| SKF performance class | SKF Explorer | — | — | — | — |
| Limiting valuee | 0.16 | — | — | — | — |
| Calculation factorY 1 | 4.2 | — | — | — | — |
| Calculation factorY 2 | 6.3 | — | — | — | — |
| Calculation factorY 0 | 4 | — | — | — | — |
| Engineering — Dimensions | |||||
| Shoulder diameter of inner ringd 2 | ≈ 439 mm | — | — | — | — |
| Shoulder/recess diameter of outer ringD 1 | ≈ 500 mm | — | — | — | — |
| Width of lubrication grooveb | 13.9 mm | — | — | — | — |
| Diameter of lubrication holeK | 7.5 mm | — | — | — | — |
| Chamfer dimensionr 1,2 | min. 4 mm | — | — | — | — |
| ISO tolerance class for dimensions | Normal | — | — | — | — |
| Engineering — Engineering specifications | |||||
| Bore type | Cylindrical | — | — | — | — |
| Engineering — Radial internal clearance | |||||
| Minimum initial clearance | 220 µm | — | — | — | — |
| Maximum initial clearance | 340 µm | — | — | — | — |
| Engineering — Tolerances of run-out | |||||
| ISO tolerance class for geometrical tolerances | Normal | — | — | — | — |
| 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 weight | 68.8 kg | — | — | — | — |
| eClass code | 23-05-09-11 | — | — | — | — |
| UNSPSC code | 31171510 | — | — | — | — |
| 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 feature | With | Standard | — | — | — |
| Product identity | |||||
| Official product category | Spherical roller bearings | — | — | — | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/spherical-roller-bearings | — | — | — | — |
| Structure group ID | BS2_001 | — | — | — | — |
| Available from SKF | Yes | — | — | — | — |
| Remanufacturable | Yes | — | — | — | — |
| Product Identity | |||||
| Construction | — | Spherical roller bearing 239..-B-MB, symmetric 3 ribs | Spherical 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 Rows | 2 | — | 2 | — | — |
| Tapered Bore | — | — | N | — | — |
| Properties | |||||
| Locating feature, bearing outer ring | Without | — | — | — | — |
| Radial internal clearance | CN | — | — | — | — |
| Tolerance class for dimensions | Normal | — | — | — | — |
| Tolerance class for run-out | Normal | — | — | — | — |
| Candidate for remanufacturing | Yes | — | — | — | — |
| Indicative carbon footprint for new product | 255.0 kg CO 2 e | — | — | — | — |
| Indicative carbon footprint for remanufactured product | 84.6 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 | — | — | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.