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| Parameter | SKF6088 M440 × 650 × 94 mm | FAG6088-M440 × 650 × 94 mm | KOYO6088440 × 650 × 94 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | KOYO |
| Designation | 6088 M | 6088-M | 6088 |
| Product family | Deep groove ball bearings | — | Single-row / Open type |
| Detailed type | Deep groove ball bearings | Deep groove ball bearings | Deep groove ball bearings |
| Series | — | 6088 | — |
| Bore diameterd | 440 mm | 440 mm | 440 mm |
| Outside diameterD | 650 mm | 650 mm | 650 mm |
| WidthB | 94 mm | 94 mm | 94 mm |
| Basic dynamic load ratingC | 553 kN | 550 kN | 658 kN |
| Basic static load ratingC0 | 965 kN | 970 kN | 902 kN |
| Fatigue load limitPu | 17.6 kN | 26 kN | 27.5 kN |
| Reference speednref | 1900 r/min | 1250 r/min | — |
| Limiting speednG | 1500 r/min | 1630 r/min | 680 r/min |
| Mass≈m | 105 kg | 107 kg | 105 kg |
| Precision class | Normal | PN — Normal (ISO 492:2023) | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — |
| Sealing | Without | Without — Not sealed | Open |
| Cage | Machined brass | M — Solid brass cage, rolling element guided | — |
| Bearing material | Bearing steel | — | — |
| Lubricant | None | Without — Bearing not greased | — |
| Minimum operating temperatureTmin | — | -30 °C | — |
| Maximum operating temperatureTmax | — | 200 °C | — |
| Calculation factors | |||
| Calculation factorf0 | — | 16 | — |
| 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 | — |
| Classification | |||
| Official Category Path | — | — | Deep groove ball bearings - Single-row - Open type |
| Official Classification 1 | — | — | Deep groove ball bearings / Single-row / Open type |
| Dimensions | |||
| Minimum chamfer dimensionrmin | — | 6 mm | — |
| Minimum chamfer dimensionrmin | — | 0.236 in | — |
| Shoulder diameter outer ringD1 | — | 583.8 mm | — |
| Shoulder diameter outer ringD1 | — | 22.984 in | — |
| Shoulder diameter inner ringd1 | — | 507.5 mm | — |
| Shoulder diameter inner ringd1 | — | 19.98 in | — |
| Engineering — Abutment dimensions | |||
| Diameter of shaft abutmentd a | min. 463 mm | — | — |
| Diameter of housing abutmentD a | max. 627 mm | — | — |
| Radius of shaft or housing filletr a | max. 5 mm | — | — |
| Engineering — Calculation data | |||
| Minimum load factork r | 0.03 | — | — |
| Calculation factorf 0 | 16 | — | — |
| Engineering — Dimensions | |||
| Deviation limits of mid-range bore diametert Δdmp | -0.045 to 0 mm | — | — |
| Deviation limits of mid-range outside diametert ΔDmp | -0.075 to 0 mm | — | — |
| Deviation limits of ring widtht ΔBs | -0.45 to 0 mm | — | — |
| Shoulder diameterd 1 | ≈ 583.1 mm | — | — |
| Chamfer dimensionr 1,2 | min. 6 mm | — | — |
| ISO tolerance class for dimensions | Normal | — | — |
| Engineering — Tolerances of run-out | |||
| Range of section height at inner ring of assembled bearingt Kia | 65 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 | 105.0 kg | — | — |
| eClass code | 23-05-08-01 | — | — |
| UNSPSC code | 31171504 | — | — |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 550,000 N | — |
| Basic dynamic load rating, radialCr | — | 123,651.079 lbf | — |
| Basic static load rating, radialC0r | — | 970,000 N | — |
| Basic static load rating, radialC0r | — | 218,075.54 lbf | — |
| Fatigue load limit, radialCur | — | 26,000 N | — |
| Fatigue load limit, radialCur | — | 5,845.324 lbf | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 1258348 | — |
| Official Class Key | — | — | 010-010-010 |
| Base Type | — | 6088 | — |
| Gpsd Group | — | S02 | — |
| Product Line Id | — | 14 | — |
| X Life Marking | — | n.r. | — |
| SAP material number | — | 0384488070000 | — |
| Base product | — | 2305080101 | — |
| Bearing X designation | — | 6088-M | — |
| Mounting Manager ID | — | 6088-M | — |
| Grease application ID | — | 6088-M | — |
| Mounting dimensions | |||
| Minimum diameter shaft shoulderda min | — | 463 mm | — |
| Minimum diameter shaft shoulderda min | — | 18.228 in | — |
| Maximum diameter of housing shoulderDa max | — | 627 mm | — |
| Maximum diameter of housing shoulderDa max | — | 24.685 in | — |
| Maximum fillet radiusra max | — | 5 mm | — |
| Maximum fillet radiusra max | — | 0.197 in | — |
| Product characteristics | |||
| Type of SealWithout | — | Not sealed | — |
| Tolerance classPN | — | Normal (ISO 492:2023) | — |
| Dimensional / heat stabilizationS1 | — | Rings dimensional stabilized up to 200° | — |
| Radial internal clearanceCN (Group N) | — | Normal internal clearance | — |
| Bore typeZ | — | Cylindrical | — |
| Product identity | |||
| Official product category | Deep groove ball bearings | — | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/deep-groove-ball-bearings | — | — |
| Structure group ID | BB1_001_101 | — | — |
| Available from SKF | Yes | — | — |
| Remanufacturable | Yes | — | — |
| Product Identity | |||
| Construction | — | Deep groove ball bearing 60..-M, single row, solid brass cage | — |
| Short Description | — | Deep groove ball bearing | — |
| Properties | |||
| Filling slots | Without | — | — |
| Number of rows | 1 | — | — |
| Locating feature, bearing outer ring | Without | — | — |
| Bore type | Cylindrical | — | — |
| Matched arrangement | No | — | — |
| Radial internal clearance | CN | — | — |
| Material, bearing | Bearing steel | — | — |
| Coating | Without | — | — |
| Relubrication feature | Without | — | — |
| Candidate for remanufacturing | Yes | — | — |
| Indicative carbon footprint for new product | 389.0 kg CO 2 e | — | — |
| Indicative carbon footprint for remanufactured product | 129.0 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 650 mm |
| B | — | — | 94 mm |
| R(Min.) | — | — | 6 mm |
| Bore Diameter (D) | — | 440 mm | — |
| Basic Load Ratings : Cr | — | — | 658 kN |
| Outside Diameter (D) | — | 650 mm | — |
| Basic Load Ratings : C0R | — | — | 902 kN |
| Width (B) | — | 94 mm | — |
| Fatigue Load Limit : Cu | — | — | 27.5 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 550,000 N | — |
| Factor : F0 | — | — | 16 |
| Basic Static Load Rating, Radial (C0R) | — | 970,000 N | — |
| Limiting Speeds(Grease Lub.) | — | — | 680 min-1 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Limiting Speeds(Oil Lub.) | — | — | 810 min-1 |
| Limiting Speed (Ng) | — | 1,630 1/min | — |
| Da(Min.) | — | — | 464 mm |
| Operating Temperature Max. (Tmax) | — | 200 °C | — |
| Da(Max.) | — | — | 626 mm |
| Reference Speed (Nϑr) | — | 1,250 1/min | — |
| Ra(Max.) | — | — | 5 mm |
| Calculation Factor (F0) | — | 16 | — |
| Mass(Refer.) | — | — | 105 kg |
| Fatigue Load Limit, Radial (Cur) | — | 26,000 N | — |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 463 mm | — |
| Shoulder Diameter Inner Ring (D1) | — | 507.5 mm | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 627 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 6 mm | — |
| Maximum Fillet Radius (Ra Max) | — | 5 mm | — |
| Shoulder Diameter Outer Ring (D1) | — | 583.8 mm | — |
| 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 | — |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.