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
Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Dimensions verified
“NA4904” across 3 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 | SKFNA 490420 × 37 × 17 mm | INANA4904-XL20 × 37 × 17 mm | IKONA490420 × 37 × 17 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | INA | IKO |
| Designation | NA 4904 | NA4904-XL | NA4904 |
| Product family | Needle roller bearings | — | Machined Type Needle Roller Bearings |
| Detailed type | Single row needle roller bearing with machined rings, with flanges | Needle roller bearings | Needle roller bearings |
| Series | — | NA4904 | NA49 |
| Bore diameterd | 20 mm | 20 mm | 20 mm |
| Outside diameterD | 37 mm | 37 mm | 37 mm |
| WidthB | 17 mm | 17 mm | 17 mm |
| Basic dynamic load ratingC | 25 kN | 23.7 kN | 21 kN |
| Basic static load ratingC0 | 28.5 kN | 25.5 kN | 25 kN |
| Fatigue load limitPu | 3.55 kN | 4.7 kN | — |
| Reference speednref | 15000 r/min | 9400 r/min | 9600 r/min |
| Limiting speednG | 17000 r/min | 16900 r/min | 16000 r/min |
| Mass≈m | 0.075 kg | 0.07776 kg | 0.078426 kg |
| Precision class | — | — | JIS, Class 0 |
| Internal clearance | CN | — | — |
| Sealing | Without | — | — |
| Cage | Sheet metal | — | Steel |
| Bearing material | Bearing steel | — | High Carbon Chrome Steel |
| Lubricant | None | — | — |
| Minimum operating temperatureTmin | — | -30 °C | -20 °C |
| Maximum operating temperatureTmax | — | 120 °C | 120 °C |
| Engineering — Abutment dimensions | |||
| Smallest permissible abutment diameter shaft, bearings with flangesd a | min. 22 mm | — | — |
| Diameter of housing abutmentD a | max. 35 mm | — | — |
| Fillet radiusr a | max. 0.3 mm | — | — |
| Engineering — Calculation data | |||
| SKF performance class | SKF Explorer | — | — |
| Engineering — Dimensions | |||
| Raceway diameter inner ringF | 25 mm | — | — |
| Chamfer dimension outer ringr 1,2 | min. 0.3 mm | — | — |
| Permissible axial displacement from the normal position of one bearing ring relative to the others | max. 0.8 mm | — | — |
| Logistics | |||
| Product net weight | 0.075 kg | — | — |
| eClass code | 23-05-09-03 | — | — |
| UNSPSC code | 31171512 | — | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 382399 | — |
| Base Type | — | NA4904 | — |
| Old Designation | — | ["NA4904"] | — |
| Gpsd Group | — | I01 | — |
| Product Line Id | — | 09 | — |
| X Life Marking | — | XL | — |
| Cad Part Number | — | — | NA4904 |
| Materials | |||
| Rolling Element Material | — | — | SUJ2 |
| Retainer Material | — | — | Steel |
| Product Identity | |||
| Short Description | — | Needle roller bearing | Machined Type Needle Roller Bearings |
| Long Description | — | — | Machined Type Needle Roller Bearings, High Carbon Steel, Oil Hole, Inner Ring |
| Official Bearing Family | — | — | Needle Roller Bearings |
| Official Bearing Type | — | — | Machined Type Needle Roller Bearings |
| Construction | — | Needle roller bearing NA..-XL, single row, with inner ring, outer ring with 2 bords | — |
| Product identity | |||
| Official product category | Needle roller bearings | — | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/needle-roller-bearings/needle-roller-bearings-with-machined-rings | — | — |
| Structure group ID | BN1_003 | — | — |
| Available from SKF | Yes | — | — |
| Remanufacturable | No | — | — |
| Properties | |||
| Bearing part | Complete bearing | — | — |
| Number of rows | 1 | — | — |
| Outer ring type | Machined (solid) | — | — |
| Aligning feature | Without | — | — |
| Number of flanges, outer ring | 2 | — | — |
| Radial internal clearance | CN | — | — |
| Tolerance class | Normal | — | — |
| Material, bearing | Bearing steel | — | — |
| Coating | Without | — | — |
| Relubrication feature | With | — | — |
| Indicative carbon footprint for new product | 0.28 kg CO 2 e | — | — |
| Technical Data | |||
| Rolling Element | — | — | Roller |
| Relubricatable | — | — | Yes |
| Bore Diameter (D) | — | 20 mm | — |
| Outside Diamater (D) | — | 37 mm | — |
| Total Width (B) | — | 17 mm | — |
| Basic Dynamic Load Rating, Radial (Cr) | — | 23,700 N | — |
| Basic Static Load Rating, Radial (C0R) | — | 25,500 N | — |
| Raceway Diameter Inner Ring (F) | — | 25 mm | — |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Operating Temperature Max. (Tmax) | — | 120 °C | — |
| Limiting Speed (Limiting Spe) | — | 16,900 1/min | — |
| Reference Speed (Nϑr) | — | 9,400 1/min | — |
| Axial Displacement (S) | — | 0.8 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 0.3 mm | — |
| Fatigue Load Limit, Radial (Cur) | — | 4,700 N | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.