Cross-brand designation analysis
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You entered 238-630-CAMA-C3W20. This table explores the base group 238; it does not preserve or approve every requested suffix. Search your complete marking first →
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“238” across 3 loaded brands
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Technical comparison
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| Parameter | SKF238/630 CAMA/W20630 × 780 × 112 mm | FAG238/630-MB630 × 780 × 112 mm | TIMKEN238/630YMBW20630 × 780 × 112 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | TIMKEN |
| Designation | 238/630 CAMA/W20 | 238/630-MB | 238/630YMBW20 |
| Product family | Spherical roller bearings | — | Radial SRB |
| Detailed type | Spherical roller bearings | Spherical roller bearings | Spherical roller bearings |
| Series | — | 238/630 | EX28112 |
| Bore diameterd | 630 mm | 630 mm | 630 mm |
| Outside diameterD | 780 mm | 780 mm | 780 mm |
| WidthB | 112 mm | 112 mm | 112 mm |
| Basic dynamic load ratingC | 2545 kN | 2270 kN | 2430 kN |
| Basic static load ratingC0 | 6100 kN | 6400 kN | 5950 kN |
| Fatigue load limitPu | 415 kN | 465 kN | — |
| Reference speednref | 430 r/min | 410 r/min | — |
| Limiting speednG | 750 r/min | 860 r/min | — |
| Mass≈m | 120 kg | 121.5 kg | 120.13 kg |
| Precision class | Normal | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — |
| Sealing | Without | — | Open |
| Cage | Machined brass | MB — Solid brass cage | Brass cage |
| Lubricant | None | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — |
| Maximum operating temperatureTmax | — | 200 °C | — |
| Calculation Factors | |||
| K Factor | — | — | 0.00 |
| Y1 Factor | — | — | 5.57 |
| Y2 Factor | — | — | 8.30 |
| Y0 Factor | — | — | 5.45 |
| E Factor | — | — | 0.12 |
| Cg Factor | — | — | 0.1158 |
| Calculation factors | |||
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye | — | 0.12 | — |
| Dynamic axial load factorY1 | — | 5.51 | — |
| Dynamic axial load factorY2 | — | 8.21 | — |
| Static axial load factorY0 | — | 5.39 | — |
| 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 | — |
| Staticangularerrorandmisalignment | — | Yes | — |
| Dynamicangularerrorandmisalignment | — | Yes | — |
| Dimensions | |||
| Minimum chamfer dimensionrmin | — | 4 mm | — |
| Minimum chamfer dimensionrmin | — | 0.157 in | — |
| Bore diameter outer ringD1 | — | 736.8 mm | — |
| Bore diameter outer ringD1 | — | 29.008 in | — |
| Diameter lubrication holeds | — | 8 mm | — |
| Diameter lubrication holeds | — | 0.315 in | — |
| Width of lubricating groovens | — | 15 mm | — |
| Width of lubricating groovens | — | 0.591 in | — |
| Engineering — Abutment dimensions | |||
| Diameter of shaft abutmentd a | min. 645 mm | — | — |
| Diameter of housing abutmentD a | max. 765 mm | — | — |
| Radius of filletr a | max. 3 mm | — | — |
| Engineering — Calculation data | |||
| SKF performance class | SKF Explorer | — | — |
| Limiting valuee | 0.12 | — | — |
| Calculation factorY 1 | 5.6 | — | — |
| Calculation factorY 2 | 8.4 | — | — |
| Calculation factorY 0 | 5.6 | — | — |
| Engineering — Dimensions | |||
| Deviation limits of mid-range bore diametert Δdmp | -0.05 to 0 mm | — | — |
| Deviation limits of mid-range outside diametert ΔDmp | -0.075 to 0 mm | — | — |
| Deviation limits of ring widtht ΔBs | -0.5 to 0 mm | — | — |
| Shoulder diameter of inner ringd 2 | ≈ 682 mm | — | — |
| Shoulder/recess diameter of outer ringD 1 | ≈ 738 mm | — | — |
| Diameter of lubrication holeK | 9 mm | — | — |
| Chamfer dimensionr 1,2 | min. 4 mm | — | — |
| ISO tolerance class for dimensions | Normal | — | — |
| Engineering — Radial internal clearance | |||
| Minimum initial clearance | 310 µm | — | — |
| Maximum initial clearance | 480 µm | — | — |
| Engineering — Tolerances of run-out | |||
| Range of section height at inner ring of assembled bearingt Kia | 70 µm | — | — |
| Range of section height at outer ring of assembled bearingt Kea | 120 µm | — | — |
| ISO tolerance class for geometrical tolerances | Normal | — | — |
| Logistics | |||
| Product net weight | 120.0 kg | — | — |
| eClass code | 23-05-09-11 | — | — |
| UNSPSC code | 31171510 | — | — |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 2,270,000 N | — |
| Basic dynamic load rating, radialCr | — | 510,341.727 lbf | — |
| Basic static load rating, radialC0r | — | 6,400,000 N | — |
| Basic static load rating, radialC0r | — | 1,438,848.921 lbf | — |
| Fatigue load limit, radialCur | — | 465,000 N | — |
| Fatigue load limit, radialCur | — | 104,541.367 lbf | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 389861 | — |
| Material Number | — | — | 000000000190032968 |
| Base Type | — | 238/630 | — |
| World Assembly Part Number | — | — | 238/630YMBW20 |
| Old Designation | — | ["238/630MB"] | — |
| Inner Ring Part Number | — | — | 630ASDY38 |
| Gpsd Group | — | F03 | — |
| Outer Ring Part Number | — | — | 630ESDC38W20 |
| Product Line Id | — | 78 | — |
| Drawing Number | — | — | M947220 |
| X Life Marking | — | n.r. | — |
| Upc | — | — | 0087796369726 |
| Official Source System | — | — | CORE BP - DS DF |
| Official Last Run | — | — | 2026-08-23T20:02:47.843 |
| SAP material number | — | 0190394170000 | — |
| Base product | — | 2305091131 | — |
| Bearing X designation | — | 238/630-MB | — |
| Mounting Manager ID | — | 238/630-MB | — |
| Mounting dimensions | |||
| Minimum diameter shaft shoulderda min | — | 645 mm | — |
| Minimum diameter shaft shoulderda min | — | 25.394 in | — |
| Maximum diameter of housing shoulderDa max | — | 765 mm | — |
| Maximum diameter of housing shoulderDa max | — | 30.118 in | — |
| Maximum recess radiusra max | — | 3 mm | — |
| Maximum recess radiusra max | — | 0.118 in | — |
| Product characteristics | |||
| 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 238..-MB, symmetric 3 ribs | Spherical Roller Bearing | Imperial Series | 24.8032 in Bore | 30.7087 in OD | 4.4094 in Width | Open | Cylindrical Bore | Brass Cage | C0 Clearance | Bearing contains application features |
| Type Description | — | — | Radial SRB |
| Short Description | — | Spherical Roller Bearing | — |
| Number Of Rows | 2 | — | 2 |
| Tapered Bore | — | — | N |
| Properties | |||
| Locating feature, bearing outer ring | Without | — | — |
| Bore type | Cylindrical | — | — |
| 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 | 444.0 kg CO 2 e | — | — |
| Indicative carbon footprint for remanufactured product | 148.0 kg CO 2 e | — | — |
| Technical Data | |||
| Bore Diameter (D) | — | 630 mm | — |
| Overall Width | — | — | 0.000 mm |
| Outside Diamater (D) | — | 780 mm | — |
| Radial Rating | — | — | 2,430,000 N |
| Total Width (B) | — | 112 mm | — |
| Axial Rating | — | — | 0 N |
| Basic Dynamic Load Rating, Radial (Cr) | — | 2,270,000 N | — |
| Dynamic Rating C1 | — | — | 2,430,000 N |
| Basic Static Load Rating, Radial (C0R) | — | 6,400,000 N | — |
| Dynamic Rating C90 | — | — | 0 N |
| Diameter Lubrication Hole (Ds) | — | 8 mm | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N |
| Minimum Diameter Shaft Shoulder (Da) | — | 645 mm | — |
| Static Radial Rating C0 | — | — | 5,950,000 N |
| Operating Temperature Max. (Tmax) | — | 200 °C | — |
| Extended Dynamic Rating Ce | — | — | 0 N |
| Limiting Speed (Limiting Spe) | — | 860 1/min | — |
| Static Axial Rating C0A | — | — | 0 N |
| Reference Speed (Nϑr) | — | 410 1/min | — |
| Maximum Recess Radius (Ra Max) | — | 3 mm | — |
| Maximum Diameter Of Housing Shoulder (Da) | — | 765 mm | — |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | — | 0.12 | — |
| Width Of Lubricating Groove (Ns) | — | 15 mm | — |
| Dynamic Axial Load Factor (Y1) | — | 5.51 | — |
| Bore Diameter Outer Ring (D1) | — | 736.8 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 4 mm | — |
| Static Axial Load Factor (Y0) | — | 5.39 | — |
| Dynamic Axial Load Factor (Y2) | — | 8.21 | — |
| Fatigue Load Limit, Radial (Cur) | — | 465,000 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.