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| Parameter | SKF1302 ETN915 × 42 × 13 mm | NSK130215 × 42 × 13 mm | KOYO130215 × 42 × 13 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | NSK | KOYO |
| Designation | 1302 ETN9 | 1302 | 1302 |
| Product family | Self-aligning ball bearings | Self-aligning ball bearing | Open type |
| Detailed type | Self-aligning ball bearings | Self-aligning ball bearings | Self-aligning ball bearings |
| Bore diameterd | 15 mm | 15 mm | 15 mm |
| Outside diameterD | 42 mm | 42 mm | 42 mm |
| WidthB | 13 mm | 13 mm | 13 mm |
| Basic dynamic load ratingC | 10.8 kN | 10.7 kN | 12 kN |
| Basic static load ratingC0 | 2.6 kN | 2.29 kN | 2.3 kN |
| Fatigue load limitPu | 0.134 kN | — | 0.14 kN |
| Reference speednref | 34000 r/min | — | — |
| Limiting speednG | 24000 r/min | — | 16000 r/min |
| Mass≈m | 0.087 kg | 0.101 kg | 0.094 kg |
| Internal clearance | CN | — | — |
| Sealing | Without | — | Open |
| Cage | Non-metallic | — | — |
| Bearing material | Bearing steel | — | — |
| Lubricant | None | — | — |
| Boundary dimensions | |||
| Bearing widthB | — | 13 mm | — |
| Minimum bearing chamferr min. | — | 1 mm | — |
| Classification | |||
| Official Category Path | — | — | Self-aligning ball bearings - Open type |
| Official Classification 1 | — | — | Self-aligning ball bearings / Open type |
| Construction | |||
| Bore construction | — | Cylindrical bore | — |
| Engineering — Abutment dimensions | |||
| Abutment diameter shaftd a | min. 20.6 mm | — | — |
| Abutment diameter housingD a | max. 36.4 mm | — | — |
| Fillet radiusr a | max. 1 mm | — | — |
| Engineering — Calculation data | |||
| Permissible angular misalignmentα | 3 ° | — | — |
| Calculation factork r | 0.04 | — | — |
| Limiting valuee | 0.31 | — | — |
| Calculation factorY 0 | 2.2 | — | — |
| Calculation factorY 1 | 2 | — | — |
| Calculation factorY 2 | 3.1 | — | — |
| Engineering — Dimensions | |||
| Shoulder diameter inner ringd 1 | ≈ 23.9 mm | — | — |
| Shoulder diameter outer ringD 1 | ≈ 34.3 mm | — | — |
| Chamfer dimensionr 1,2 | min. 1 mm | — | — |
| Engineering — Engineering specifications | |||
| Bore type | Cylindrical | — | — |
| Equivalent-load factors | |||
| Dynamic load ratio thresholde | — | 0.33 | — |
| Dynamic axial factor above thresholdY2 | — | 2.9 | — |
| Dynamic axial factor at or below thresholdY3 | — | 1.9 | — |
| Static axial load factorY0 | — | 2 | — |
| Load ratings | |||
| Basic dynamic radial load ratingCr | — | 10700 N | — |
| Basic static radial load ratingC0r | — | 2290 N | — |
| Logistics | |||
| Product net weight | 0.087 kg | — | — |
| eClass code | 23-05-08-06 | — | — |
| UNSPSC code | 31171532 | — | — |
| Lubrication-qualified speed | |||
| Limiting speed with grease | — | 16000 r/min | — |
| Limiting speed with oil | — | 20000 r/min | — |
| Manufacturer Identity | |||
| Official Class Key | — | — | 030-010-000 |
| Mounting dimensions | |||
| Minimum shaft shoulder diameterda min. | — | 20 mm | — |
| Maximum housing shoulder diameterDa max. | — | 37 mm | — |
| Maximum adjacent fillet radiusra max. | — | 1 mm | — |
| Product identity | |||
| Official product category | Self-aligning ball bearings | — | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/self-aligning-ball-bearings | — | — |
| Structure group ID | BJ1_001 | — | — |
| Available from SKF | Yes | — | — |
| Remanufacturable | No | — | — |
| Properties | |||
| Retaining feature, inner ring | None | — | — |
| Locating feature, bearing outer ring | Without | — | — |
| Number of rows | 2 | — | — |
| Radial internal clearance | CN | — | — |
| Tolerance class | Normal | — | — |
| Material, bearing | Bearing steel | — | — |
| Coating | Without | — | — |
| Relubrication feature | Without | — | — |
| Indicative carbon footprint for new product | 0.32 kg CO 2 e | — | — |
| Reference mass | |||
| Approximate catalogue mass | — | 0.101 kg | — |
| Technical Data | |||
| d | — | — | 42 mm |
| B | — | — | 13 mm |
| R(Min.) | — | — | 1 mm |
| Basic Load Ratings : Cr | — | — | 12.0 kN |
| Basic Load Ratings : C0R | — | — | 2.30 kN |
| Fatigue Load Limit : Cu | — | — | 0.14 kN |
| Limiting Speeds(Grease Lub.) | — | — | 16000 min-1 |
| Limiting Speeds(Oil Lub.) | — | — | 20000 min-1 |
| Constant :E | — | — | 0.34 |
| Axial Load Factors : Y1 | — | — | 1.86 |
| Axial Load Factors : Y2 | — | — | 2.88 |
| Axial Load Factors : Y0 | — | — | 1.95 |
| Da(Min.) | — | — | 20 mm |
| Da(Max.) | — | — | 37 mm |
| Ra(Max.) | — | — | 1 mm |
| Mass(Refer.) | — | — | 0.094 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.