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
“238” across 3 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 | 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.