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| Parameter | SKF6328140 × 300 × 62 mm | FAG6328-M140 × 300 × 62 mm | NSK6328140 × 300 × 62 mm | KOYO6328140 × 300 × 62 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | SKF | FAG | NSK | KOYO |
| Designation | 6328 | 6328-M | 6328 | 6328 |
| Product family | Deep groove ball bearings | — | Single row deep groove ball bearings | Single-row / Open type |
| Detailed type | Deep groove ball bearings | Deep groove ball bearings | Deep groove ball bearings | Deep groove ball bearings |
| Series | — | 6328 | — | — |
| Bore diameterd | 140 mm | 140 mm | 140 mm | 140 mm |
| Outside diameterD | 300 mm | 300 mm | 300 mm | 300 mm |
| WidthB | 62 mm | 62 mm | 62 mm | 62 mm |
| Basic dynamic load ratingC | 251 kN | 270 kN | 278 kN | 316 kN |
| Basic static load ratingC0 | 245 kN | 246 kN | 246 kN | 246 kN |
| Fatigue load limitPu | 7.1 kN | 11.5 kN | — | 15.6 kN |
| Reference speednref | 4800 r/min | 3250 r/min | — | — |
| Limiting speednG | 3000 r/min | 3850 r/min | — | 2100 r/min |
| Mass≈m | 18.6 kg | 21.767 kg | 18.5 kg | 19.4 kg |
| Precision class | Normal | PN — Normal (ISO 492:2023) | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — |
| Sealing | Without | Without — Not sealed | Open | Open |
| Cage | Sheet metal | 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 | — | — |
| Boundary dimensions | ||||
| Bearing widthB | — | — | 62 mm | — |
| Minimum bearing chamferr min. | — | — | 4 mm | — |
| Calculation factors | ||||
| Calculation factorf0 | — | 13.6 | — | — |
| 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 | — | — |
| Classification | ||||
| Official Category Path | — | — | — | Deep groove ball bearings - Single-row - Open type |
| Official Classification 1 | — | — | — | Deep groove ball bearings / Single-row / Open type |
| Construction | ||||
| Catalogue closure construction | — | — | Open | — |
| Dimensions | ||||
| Minimum chamfer dimensionrmin | — | 4 mm | — | — |
| Minimum chamfer dimensionrmin | — | 0.157 in | — | — |
| Shoulder diameter outer ringD1 | — | 248.8 mm | — | — |
| Shoulder diameter outer ringD1 | — | 9.795 in | — | — |
| Shoulder diameter inner ringd1 | — | 191.2 mm | — | — |
| Shoulder diameter inner ringd1 | — | 7.528 in | — | — |
| Engineering — Abutment dimensions | ||||
| Diameter of shaft abutmentd a | min. 157 mm | — | — | — |
| Diameter of housing abutmentD a | max. 283 mm | — | — | — |
| Radius of shaft or housing filletr a | max. 3 mm | — | — | — |
| Engineering — Calculation data | ||||
| Minimum load factork r | 0.03 | — | — | — |
| Calculation factorf 0 | 13.6 | — | — | — |
| Engineering — Dimensions | ||||
| Deviation limits of mid-range bore diametert Δdmp | -0.025 to 0 mm | — | — | — |
| Deviation limits of mid-range outside diametert ΔDmp | -0.035 to 0 mm | — | — | — |
| Deviation limits of ring widtht ΔBs | -0.25 to 0 mm | — | — | — |
| Shoulder diameterd 1 | ≈ 248.7 mm | — | — | — |
| Chamfer dimensionr 1,2 | min. 4 mm | — | — | — |
| ISO tolerance class for dimensions | Normal | — | — | — |
| Engineering — Tolerances of run-out | ||||
| Range of section height at inner ring of assembled bearingt Kia | 30 µm | — | — | — |
| Range of section height at outer ring of assembled bearingt Kea | 60 µm | — | — | — |
| ISO tolerance class for geometrical tolerances | Normal | — | — | — |
| Load ratings | ||||
| Basic dynamic radial load ratingCr | — | — | 278000 N | — |
| Basic static radial load ratingC0r | — | — | 246000 N | — |
| Equivalent-load calculation factorf0 | — | — | 13.6 | — |
| Logistics | ||||
| Product net weight | 18.6 kg | — | — | — |
| eClass code | 23-05-08-01 | — | — | — |
| UNSPSC code | 31171504 | — | — | — |
| Lubrication-qualified speed | ||||
| Limiting speed with grease | — | — | 2000 r/min | — |
| Limiting speed with oil (open bearing) | — | — | 2400 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | — | 270,000 N | — | — |
| Basic dynamic load rating, radialCr | — | 60,701.439 lbf | — | — |
| Basic static load rating, radialC0r | — | 246,000 N | — | — |
| Basic static load rating, radialC0r | — | 55,305.755 lbf | — | — |
| Fatigue load limit, radialCur | — | 11,500 N | — | — |
| Fatigue load limit, radialCur | — | 2,585.432 lbf | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | — | 352249 | — | — |
| Official Class Key | — | — | — | 010-010-010 |
| Base Type | — | 6328 | — | — |
| Old Designation | — | ["6328M"] | — | — |
| Gpsd Group | — | S02 | — | — |
| Product Line Id | — | 14 | — | — |
| SAP material number | — | 0191120500000 | — | — |
| Base product | — | 2305080101 | — | — |
| Bearing X designation | — | 6328-M | — | — |
| Mounting Manager ID | — | 6328-M | — | — |
| Grease application ID | — | 6328-M | — | — |
| Mounting dimensions | ||||
| Minimum shaft shoulder diameterda min. | — | — | 156 mm | — |
| Maximum shaft shoulder diameterda max. | — | — | 187 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | 284 mm | — |
| Maximum shaft or housing fillet radiusra max. | — | — | 3 mm | — |
| Minimum diameter shaft shoulderda min | — | 157 mm | — | — |
| Minimum diameter shaft shoulderda min | — | 6.181 in | — | — |
| Maximum diameter of housing shoulderDa max | — | 283 mm | — | — |
| Maximum diameter of housing shoulderDa max | — | 11.142 in | — | — |
| Maximum fillet radiusra max | — | 3 mm | — | — |
| Maximum fillet radiusra max | — | 0.118 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 63..-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 | 68.7 kg CO 2 e | — | — | — |
| Indicative carbon footprint for remanufactured product | 22.8 kg CO 2 e | — | — | — |
| Reference mass | ||||
| Approximate catalogue mass (open reference) | — | — | 18.5 kg | — |
| Technical Data | ||||
| d | — | — | — | 300 mm |
| B | — | — | — | 62 mm |
| R(Min.) | — | — | — | 4 mm |
| Bore Diameter (D) | — | 140 mm | — | — |
| Basic Load Ratings : Cr | — | — | — | 316 kN |
| Outside Diameter (D) | — | 300 mm | — | — |
| Basic Load Ratings : C0R | — | — | — | 246 kN |
| Width (B) | — | 62 mm | — | — |
| Fatigue Load Limit : Cu | — | — | — | 15.6 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 270,000 N | — | — |
| Factor : F0 | — | — | — | 13.6 |
| Basic Static Load Rating, Radial (C0R) | — | 246,000 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 2100 min-1 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 2500 min-1 |
| Limiting Speed (Ng) | — | 3,850 1/min | — | — |
| Da(Min.) | — | — | — | 156 mm |
| Operating Temperature Max. (Tmax) | — | 200 °C | — | — |
| Da(Max.) | — | — | — | 284 mm |
| Reference Speed (Nϑr) | — | 3,250 1/min | — | — |
| Ra(Max.) | — | — | — | 3 mm |
| Calculation Factor (F0) | — | 13.6 | — | — |
| Mass(Refer.) | — | — | — | 19.4 kg |
| Fatigue Load Limit, Radial (Cur) | — | 11,500 N | — | — |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 157 mm | — | — |
| Shoulder Diameter Inner Ring (D1) | — | 191.2 mm | — | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 283 mm | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 4 mm | — | — |
| Maximum Fillet Radius (Ra Max) | — | 3 mm | — | — |
| Shoulder Diameter Outer Ring (D1) | — | 248.8 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.