Cross-brand designation analysis
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Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
Automatic candidate selection
One base designation across loaded brands
Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Designation candidates
“2301” across 2 loaded brands
One highest-ranked designation candidate is shown per manufacturer. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| 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 |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.