Cross-brand designation analysis
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Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
Automatic candidate selection
One base designation across loaded brands
Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Data incomplete
“591” across 2 loaded brands
The base designation is shared, but too few brands have complete boundary dimensions. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | SKF591/670 F670 × 800 × mm | FAG591/630-MP630 × 750 × 73 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | FAG |
| Designation | 591/670 F | 591/630-MP |
| Product family | Thrust ball bearings | — |
| Detailed type | Single direction thrust ball bearing | Axial deep groove ball bearings |
| Series | — | 591/630 |
| Bore diameterd | 670 mm | 630 mm |
| Outside diameterD | 800 mm | 750 mm |
| WidthB | — | 73 mm |
| HeightH | 78 mm | — |
| Basic dynamic load ratingC | 540 kN | — |
| Basic static load ratingC0 | 4150 kN | — |
| Fatigue load limitPu | 57 kN | — |
| Reference speednref | 480 r/min | 520 r/min |
| Limiting speednG | 670 r/min | 690 r/min |
| Mass≈m | 74 kg | 61.6 kg |
| Precision class | — | PN — Normal (ISO 492:2023) |
| Cage | Machined brass | MP — Solid brass cage, rolling element guided |
| Bearing material | Bearing steel | — |
| Minimum operating temperatureTmin | — | -30 °C |
| Maximum operating temperatureTmax | — | 200 °C |
| Calculation factors | ||
| Minimum load factorA | 90 | 82 |
| Capabilities & suitability | ||
| 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 |
| Dimensions | ||
| Minimum chamfer dimensionrmin | — | 3 mm |
| Minimum chamfer dimensionrmin | — | 0.118 in |
| Inner diameter housing washerD1 | — | 635 mm |
| Inner diameter housing washerD1 | — | 25 in |
| Outer diameter shaft washerd1 | — | 745 mm |
| Outer diameter shaft washerd1 | — | 29.331 in |
| Engineering — Abutment dimensions | ||
| Abutment diameter shaftd a | min. 745 mm | — |
| Abutment diameter housingD a | max. 725 mm | — |
| Fillet radiusr a | max. 3 mm | — |
| Engineering — Dimensions | ||
| Outside diameter shaft washerd 1 | ≈ 795 mm | — |
| Inner diameter housing washerD 1 | ≈ 675 mm | — |
| Chamfer dimension washerr 1,2 | min. 4 mm | — |
| Logistics | ||
| Product net weight | 74.0 kg | — |
| eClass code | 23-05-10-01 | — |
| UNSPSC code | 31171507 | — |
| Main Dimensions & Performance Data | ||
| Inner diameter shaft washerd | — | 630 mm |
| Inner diameter shaft washerd | — | 24.803 in |
| Outer diameter housing washerD | — | 750 mm |
| Outer diameter housing washerD | — | 29.528 in |
| Basic dynamic load rating, axialCa | — | 560,000 N |
| Basic dynamic load rating, axialCa | — | 125,899.281 lbf |
| Basic static load rating, axialC0a | — | 3,750,000 N |
| Basic static load rating, axialC0a | — | 843,075.54 lbf |
| Fatigue load limit, axialCua | — | 66,000 N |
| Fatigue load limit, axialCua | — | 14,838.129 lbf |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 394802 |
| Base Type | — | 591/630 |
| Gpsd Group | — | S02 |
| Product Line Id | — | 14 |
| X Life Marking | — | n.r. |
| SAP material number | — | 0190893500000 |
| Base product | — | 2305100101 |
| Bearing X designation | — | 591/630-MP |
| Mounting Manager ID | — | 591/630-MP |
| Mounting dimensions | ||
| Minimum diameter shaft shoulderda min | — | 701 mm |
| Minimum diameter shaft shoulderda min | — | 27.598 in |
| Maximum diameter of housing shoulderDa max | — | 680 mm |
| Maximum diameter of housing shoulderDa max | — | 26.772 in |
| Maximum filled radiusra max | — | 2.5 mm |
| Maximum filled radiusra max | — | 0.098 in |
| Product characteristics | ||
| Tolerance classPN | — | Normal (ISO 492:2023) |
| Dimensional / heat stabilizationS1 | — | Rings dimensional stabilized up to 200° |
| Product identity | ||
| Official product category | Thrust ball bearings | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/thrust-ball-bearings | — |
| Structure group ID | BD1_001_BDC_001 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Construction | — | Axial deep groove ball bearing 591..-MP, double direction, with spherical housing washer, solid brass cage |
| Short Description | — | Axial deep groove ball bearing |
| Properties | ||
| Axial load capability | Single-direction | — |
| Number of rows | 1 | — |
| Housing washer type | Flat | — |
| Tolerance class | Normal | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Indicative carbon footprint for new product | 274.0 kg CO 2 e | — |
| Technical Data | ||
| Bore Diameter (D) | — | 630 mm |
| Outside Diameter (D) | — | 750 mm |
| Width (B) | — | 73 mm |
| Basic Dynamic Load Rating, Axial (Ca) | — | 560,000 N |
| Basic Static Load Rating, Axial (C0A) | — | 3,750,000 N |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Limiting Speed (Ng) | — | 690 1/min |
| Operating Temperature Max. (Tmax) | — | 200 °C |
| Reference Speed (Nϑr) | — | 520 1/min |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 701 mm |
| Minimum Load Factor (A) | — | 82 |
| Rip Diameter Shaft Washer (D1) | — | 745 mm |
| Bore Diameter Housing Washer (D1) | — | 635 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 680 mm |
| Minimum Chamfer Dimension (Rmin) | — | 3 mm |
| Maximum Fillet Radius (Ra Max) | — | 2.5 mm |
| Fatigue Load Limit, Axial (Cua) | — | 66,000 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.