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| Parameter | SKF7417 BACBMC85 × 210 × 52 mm | KOYO7417 FY85 × 210 × 52 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | KOYO |
| Designation | 7417 BACBMC | 7417 FY |
| Product family | Angular contact ball bearings | Single-row / With machined cage |
| Detailed type | Single row angular contact ball bearing | Angular contact ball bearings |
| Bore diameterd | 85 mm | 85 mm |
| Outside diameterD | 210 mm | 210 mm |
| WidthB | 52 mm | 52 mm |
| Basic dynamic load ratingC | 190 kN | 255 kN |
| Basic static load ratingC0 | 166 kN | 180 kN |
| Fatigue load limitPu | 5.85 kN | 7.65 kN |
| Reference speednref | 4000 r/min | — |
| Limiting speednG | 4000 r/min | 3000 r/min |
| Mass≈m | 9.28 kg | 8.54 kg |
| Precision class | P6 | — |
| Sealing | Without | — |
| Cage | Machined brass | — |
| Bearing material | Bearing steel | — |
| Lubricant | None | — |
| Classification | ||
| Official Category Path | — | Angular contact ball bearings - Single-row - With machined cage |
| Official Classification 1 | — | Angular contact ball bearings / Single-row / With machined cage |
| Dimensions | ||
| Contact angle | 40.0 ° | — |
| Engineering — Abutment dimensions | ||
| Diameter of shaft abutmentd a | min. 55 mm | — |
| Abutment diameter housingD a | max. 110 mm | — |
| Diameter of housing abutmentD b | max. 191 mm | — |
| Radius of filletr a | max. 2 mm | — |
| Radius of filletr b | max. 2 mm | — |
| Engineering — Calculation data | ||
| Minimum axial load factorA | 0.54 | — |
| Minimum radial load factork r | 0.1 | — |
| Limiting valuee | 1.1 | — |
| Engineering — Calculation data — Bearing pair arranged back-to-back or face-to-face | ||
| Calculation factor (back-to-back, face-to-face)X | 0.57 | — |
| Calculation factor (back-to-back, face-to-face)Y 0 | 0.52 | — |
| Calculation factor (back-to-back, face-to-face)Y 1 | 0.55 | — |
| Calculation factor (back-to-back, face-to-face)Y 2 | 0.93 | — |
| Engineering — Calculation data — Single bearing or bearing pair arranged in tandem | ||
| Calculation factor (single, tandem)X | 0.35 | — |
| Calculation factor (single, tandem)Y 0 | 0.26 | — |
| Calculation factor (single, tandem)Y 2 | 0.57 | — |
| Engineering — Dimensions | ||
| Deviation limits of mid-range bore diametert Δdmp | -0.015 to 0 mm | — |
| Deviation limits of mid-range outside diametert ΔDmp | -0.02 to 0 mm | — |
| Deviation limits of ring widtht ΔBs | -0.2 to 0 mm | — |
| Shoulder diameter of inner ring (large side face)d 1 | ≈ 127.631 mm | — |
| Shoulder diameter of outer ring (large side face)D 1 | ≈ 166.95 mm | — |
| Distance side face to pressure pointa | 88 mm | — |
| Chamfer dimensionr 1,2 | min. 4 mm | — |
| Chamfer dimensionr 3,4 | min. 4 mm | — |
| ISO tolerance class for dimensions | P6 | — |
| Engineering — Tolerances of run-out | ||
| Range of section height at inner ring of assembled bearingt Kia | 13 µm | — |
| Range of section height at outer ring of assembled bearingt Kea | 25 µm | — |
| ISO tolerance class for geometrical tolerances | P6 | — |
| Logistics | ||
| Product net weight | 9.28 kg | — |
| eClass code | 23-05-08-03 | — |
| UNSPSC code | 31171531 | — |
| Manufacturer Identity | ||
| Official Class Key | — | 020-010-000 |
| Product identity | ||
| Official product category | Angular contact ball bearings | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/angular-contact-ball-bearings/single-row-angular-contact-ball-bearings | — |
| Structure group ID | BA1_001_101 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Properties | ||
| Contact type | Normal contact (two-point contact) | — |
| Number of rows | 1 | — |
| Locating feature, bearing outer ring | Without | — |
| Ring type | One-piece inner and outer rings | — |
| Matched arrangement | No | — |
| Universal matching bearing | Yes | — |
| Axial internal clearance | Not applicable | — |
| Matched condition (axial clearance/ preload) | Axial clearance CB | — |
| Tolerance class | Class 6 (P6) | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Relubrication feature | Without | — |
| Indicative carbon footprint for new product | 34.3 kg CO 2 e | — |
| Technical Data | ||
| d | — | 210 mm |
| B | — | 52 mm |
| R(Min.) | — | 4 mm |
| R1(Min.) | — | 1.5 mm |
| Basic Load Ratings : Cr | — | 255 kN |
| Basic Load Ratings : C0R | — | 180 kN |
| Fatigue Load Limit : Cu | — | 7.65 kN |
| Limiting Speeds(Grease Lub.) | — | 3000 min-1 |
| Limiting Speeds(Oil Lub.) | — | 3900 min-1 |
| Load Center Spread : A | — | 68.7 mm |
| Da(Min.) | — | 103 mm |
| Da(Max.) | — | 192 mm |
| Ra(Max.) | — | 3 mm |
| Mass(Refer.) | — | 8.54 kg |
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.