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.
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One base designation across loaded brands
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Dimensions verified
“NKIA5903” across 2 loaded brands
At least two brands share the same bore, outside diameter and width. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | SKFNKIA 590317 × 30 × 18 mm | INANKIA5903-XL17 × 30 × 18 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | NKIA 5903 | NKIA5903-XL |
| Product family | Combined needle roller / angular contact ball bearings | — |
| Detailed type | Combined needle roller / angular contact ball bearing for axial loads in one direction | Needle roller/angular contact ball bearing |
| Series | — | NKIA5903 |
| Bore diameterd | 17 mm | 17 mm |
| Outside diameterD | 30 mm | 30 mm |
| WidthB | 18 mm | 18 mm |
| Basic dynamic load ratingC | — | 12.4 kN |
| Basic static load ratingC0 | — | 14.6 kN |
| Fatigue load limitPu | — | 2.65 kN |
| Reference speednref | 18000 r/min | 15000 r/min |
| Limiting speednG | 20000 r/min | 20600 r/min |
| Mass≈m | 0.0528 kg | 0.0527 kg |
| Internal clearance | CN | — |
| Bearing material | Bearing steel | — |
| Dimensions | ||
| Width, outer ring | 18.0 mm | — |
| Engineering — Abutment dimensions | ||
| Diameter of shaft abutmentd a | min. 19 mm | — |
| Diameter of housing abutmentD a | max. 28 mm | — |
| Radius of filletr a | max. 0.3 mm | — |
| Engineering — Calculation data | ||
| Basic dynamic load rating, radialC | 11.4 kN | — |
| Basic static load rating, radialC 0 | 16.3 kN | — |
| Basic dynamic load rating, axialC | 2.24 kN | — |
| Basic static load rating, axialC 0 | 2.74 kN | — |
| Fatigue load limit, radialP u | 1.96 kN | — |
| Fatigue load limit, axialP u | 0.116 kN | — |
| Engineering — Dimensions | ||
| Diameter of inner ring racewayF | 22 mm | — |
| Chamfer dimensionr 1 ,2 | min. 0.3 mm | — |
| Logistics | ||
| Product net weight | 0.0528 kg | — |
| eClass code | 23-05-09-03 | — |
| UNSPSC code | 31171512 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 397305 |
| Base Type | — | NKIA5903 |
| Gpsd Group | — | I01 |
| Product Line Id | — | 09 |
| Product identity | ||
| Official product category | Combined needle roller / angular contact ball bearings | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/needle-roller-bearings/combined-needle-roller-bearings | — |
| Structure group ID | BVN_001 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Short Description | — | Needle roller/angular contact ball bearing |
| Properties | ||
| Rolling bearing type | Needle roller / angular contact ball bearing | — |
| Bearing part | Complete bearing | — |
| Thrust part | With cage | — |
| Radial part | With cage | — |
| Rolling element (thrust part) | Balls | — |
| Axial load capability | Single-direction | — |
| Radial internal clearance | CN | — |
| Tolerance class | Normal | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Lubricant (thrust part) | None | — |
| Indicative carbon footprint for new product | 0.2 kg CO 2 e | — |
| Technical Data | ||
| Bore Diameter (D) | — | 17 mm |
| Outside Diamater (D) | — | 30 mm |
| Total Width (B) | — | 18 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 12,400 N |
| Basic Static Load Rating, Radial (C0R) | — | 14,600 N |
| Basic Dynamic Load Rating, Axial (Ca) | — | 3,150 N |
| Basic Static Load Rating, Axial (C0A) | — | 4,900 N |
| Raceway Diameter Inner Ring (F) | — | 22 mm |
| Limiting Speed (Limiting Spe) | — | 20,600 1/min |
| Reference Speed (Nϑr) | — | 15,000 1/min |
| Fatigue Load Limit, Axial (Cua) | — | 222 N |
| Fatigue Limit Load, Radial (Cur) | — | 2,650 N |
| Minimum Chamfer Dimension (Rmin) | — | 0.3 mm |
| Fatigue Load Limit, Radial (Cur) | — | 2,650 N |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.