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| Parameter | NSK7300AW10 × 35 × 11 mm | KOYO730010 × 35 × 11 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | NSK | KOYO |
| Designation | 7300AW | 7300 |
| Product family | Angular contact ball bearing | Single-row / With pressed cage |
| Detailed type | Angular contact ball bearings | Angular contact ball bearings |
| Bore diameterd | 10 mm | 10 mm |
| Outside diameterD | 35 mm | 35 mm |
| WidthB | 11 mm | 11 mm |
| Basic dynamic load ratingC | 10.2 kN | 11.6 kN |
| Basic static load ratingC0 | 4.3 kN | 4.3 kN |
| Fatigue load limitPu | — | 0.34 kN |
| Limiting speednG | — | 21000 r/min |
| Mass≈m | 0.053 kg | 0.054 kg |
| Cage | Pressed steel | — |
| Boundary dimensions | ||
| Individual bearing widthB | 11 mm | — |
| Minimum bearing chamferr min. | 0.6 mm | — |
| Minimum secondary bearing chamferr1 min. | 0.3 mm | — |
| Classification | ||
| Official Category Path | — | Angular contact ball bearings - Single-row - With pressed cage |
| Official Classification 1 | — | Angular contact ball bearings / Single-row / With pressed cage |
| Construction | ||
| Nominal contact angleα | 30 ° | — |
| Standard cage code | W | — |
| Optional cage codes — ratings require separate confirmation | (M), T | — |
| Catalogue matching scope | DB, DF, DT | — |
| Cage material and construction | Pressed steel | — |
| Construction / arrangement | Single-row angular contact bearing | — |
| Load ratings | ||
| Basic dynamic radial load ratingCr | 10200 N | — |
| Basic static radial load ratingC0r | 4300 N | — |
| Load-centre geometry | ||
| Single-bearing effective load centrea | 12 mm | — |
| Lubrication-qualified speed | ||
| Limiting speed — grease | 16000 r/min | — |
| Limiting speed — oil | 22000 r/min | — |
| Manufacturer Identity | ||
| Official Class Key | — | 020-010-000 |
| Mass reference | ||
| Approximate mass | 0.053 kg | — |
| Mounting dimensions — shown arrangement | ||
| Minimum shaft shoulder diameterda min. | 15 mm | — |
| Maximum housing shoulder diameterDa max. | 30 mm | — |
| Maximum adjacent fillet radiusra max. | 0.6 mm | — |
| Technical Data | ||
| d | — | 35 mm |
| B | — | 11 mm |
| R(Min.) | — | 0.6 mm |
| R1(Min.) | — | 0.3 mm |
| Basic Load Ratings : Cr | — | 11.6 kN |
| Basic Load Ratings : C0R | — | 4.30 kN |
| Fatigue Load Limit : Cu | — | 0.340 kN |
| Limiting Speeds(Grease Lub.) | — | 21000 min-1 |
| Limiting Speeds(Oil Lub.) | — | 26000 min-1 |
| Load Center Spread : A | — | 12.0 mm |
| Da(Min.) | — | 14.5 mm |
| Da(Max.) | — | 30.5 mm |
| Ra(Max.) | — | 0.6 mm |
| Mass(Refer.) | — | 0.054 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.