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| Parameter | SKF230112 × 37 × 17 mm | NSK230112 × 37 × 17 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | NSK |
| Designation | 2301 | 2301 |
| Product family | Self-aligning ball bearings | Self-aligning ball bearing |
| Detailed type | Self-aligning ball bearings | Self-aligning ball bearings |
| Bore diameterd | 12 mm | 12 mm |
| Outside diameterD | 37 mm | 37 mm |
| WidthB | 17 mm | 17 mm |
| Basic dynamic load ratingC | 11.7 kN | 13.3 kN |
| Basic static load ratingC0 | 2.7 kN | 2.73 kN |
| Fatigue load limitPu | 0.14 kN | — |
| Reference speednref | 38000 r/min | — |
| Limiting speednG | 28000 r/min | — |
| Mass≈m | 0.09 kg | 0.089 kg |
| Internal clearance | CN | — |
| Sealing | Without | — |
| Cage | Sheet metal | — |
| Bearing material | Bearing steel | — |
| Lubricant | None | — |
| Boundary dimensions | ||
| Bearing widthB | — | 17 mm |
| Minimum bearing chamferr min. | — | 1 mm |
| Construction | ||
| Bore construction | — | Cylindrical bore |
| Engineering — Abutment dimensions | ||
| Abutment diameter shaftd a | min. 17.6 mm | — |
| Abutment diameter housingD a | max. 31.4 mm | — |
| Fillet radiusr a | max. 1 mm | — |
| Engineering — Calculation data | ||
| Permissible angular misalignmentα | 3 ° | — |
| Calculation factork r | 0.05 | — |
| Limiting valuee | 0.6 | — |
| Calculation factorY 0 | 1.1 | — |
| Calculation factorY 1 | 1.1 | — |
| Calculation factorY 2 | 1.6 | — |
| Engineering — Dimensions | ||
| Shoulder diameter inner ringd 1 | ≈ 18.9 mm | — |
| Shoulder diameter outer ringD 1 | ≈ 29.1 mm | — |
| Chamfer dimensionr 1,2 | min. 1 mm | — |
| Engineering — Engineering specifications | ||
| Bore type | Cylindrical | — |
| Equivalent-load factors | ||
| Dynamic load ratio thresholde | — | 0.6 |
| Dynamic axial factor above thresholdY2 | — | 1.6 |
| Dynamic axial factor at or below thresholdY3 | — | 1.1 |
| Static axial load factorY0 | — | 1.1 |
| Load ratings | ||
| Basic dynamic radial load ratingCr | — | 13300 N |
| Basic static radial load ratingC0r | — | 2730 N |
| Logistics | ||
| Product net weight | 0.09 kg | — |
| eClass code | 23-05-08-06 | — |
| UNSPSC code | 31171532 | — |
| Lubrication-qualified speed | ||
| Limiting speed with grease | — | 17000 r/min |
| Limiting speed with oil | — | 22000 r/min |
| Mounting dimensions | ||
| Minimum shaft shoulder diameterda min. | — | 17 mm |
| Maximum housing shoulder diameterDa max. | — | 32 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 | 0.33 kg CO 2 e | — |
| Reference mass | ||
| Approximate catalogue mass | — | 0.089 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.