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| Parameter | NSK531470 × 150 × 63.5 mm | KOYO531470 × 150 × 63.5 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | NSK | KOYO |
| Designation | 5314 | 5314 |
| Product family | Angular contact ball bearing | Double-row / Open |
| Detailed type | Angular contact ball bearings | Angular contact ball bearings |
| Bore diameterd | 70 mm | 70 mm |
| Outside diameterD | 150 mm | 150 mm |
| WidthB | 63.5 mm | 63.5 mm |
| Basic dynamic load ratingC | 175 kN | 200 kN |
| Basic static load ratingC0 | 128 kN | 129 kN |
| Fatigue load limitPu | — | 6.35 kN |
| Limiting speednG | — | 2700 r/min |
| Mass≈m | 4.55 kg | 4.89 kg |
| Sealing | Open | Open |
| Cage | Pressed steel | — |
| Boundary dimensions | ||
| Individual bearing widthB | 63.5 mm | — |
| Minimum bearing chamferr min. | 2.1 mm | — |
| Classification | ||
| Official Category Path | — | Angular contact ball bearings - Double-row - Open |
| Official Classification 1 | — | Angular contact ball bearings / Double-row / Open |
| Construction | ||
| Cage material and construction | Pressed steel | — |
| Construction / arrangement | Double-row angular contact bearing | — |
| Load ratings | ||
| Basic dynamic radial load ratingCr | 175000 N | — |
| Basic static radial load ratingC0r | 128000 N | — |
| Load-centre geometry | ||
| Load-centre spacinga0 | 78.3 mm | — |
| Lubrication-qualified speed | ||
| Limiting speed — grease | 3000 r/min | — |
| Limiting speed — oil | 3800 r/min | — |
| Manufacturer Identity | ||
| Official Class Key | — | 020-030-000 |
| Mass reference | ||
| Approximate mass | 4.55 kg | — |
| Mounting dimensions — shown arrangement | ||
| Minimum shaft shoulder diameterda min. | 82 mm | — |
| Maximum housing shoulder diameterDa max. | 138 mm | — |
| Maximum adjacent fillet radiusra max. | 2 mm | — |
| Technical Data | ||
| d | — | 150 mm |
| B | — | 63.5 mm |
| R(Min.) | — | 2.1 mm |
| Basic Load Ratings : Cr | — | 200 kN |
| Basic Load Ratings : C0R | — | 129 kN |
| Fatigue Load Limit : Cu | — | 6.35 kN |
| Limiting Speeds(Grease Lub.) | — | 2700 min-1 |
| Limiting Speeds(Oil Lub.) | — | 3600 min-1 |
| Load Center Spread : A | — | 76.0 mm |
| Da(Min.) | — | 82 mm |
| Da(Max.) | — | 138 mm |
| Ra(Max.) | — | 2 mm |
| Mass(Refer.) | — | 4.89 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.