Cross-brand designation analysis
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You entered NA-4909. This table explores the base group NA4909; it does not preserve or approve every requested suffix. Search your complete marking first →
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One base designation across loaded brands
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“NA4909” 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 490945 × 68 × 22 mm | INANA4909-XL45 × 68 × 22 mm | IKONA490945 × 68 × 22 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | INA | IKO |
| Designation | NA 4909 | NA4909-XL | NA4909 |
| Product family | Needle roller bearings | — | Machined Type Needle Roller Bearings |
| Detailed type | Single row needle roller bearing with machined rings, with flanges | Radial roller bearing | Needle roller bearings |
| Series | — | NA4909 | NA49 |
| Bore diameterd | 45 mm | 45 mm | 45 mm |
| Outside diameterD | 68 mm | 68 mm | 68 mm |
| WidthB | 22 mm | 22 mm | 22 mm |
| Basic dynamic load ratingC | 52 kN | 51 kN | 43.5 kN |
| Basic static load ratingC0 | 78 kN | 73 kN | 73.3 kN |
| Fatigue load limitPu | 10 kN | 12.9 kN | — |
| Reference speednref | 7500 r/min | 4700 r/min | 4500 r/min |
| Limiting speednG | 8500 r/min | 8600 r/min | 7500 r/min |
| Mass≈m | 0.271 kg | 0.28037 kg | 0.284992 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. 49 mm | — | — |
| Diameter of housing abutmentD a | max. 64 mm | — | — |
| Fillet radiusr a | max. 0.6 mm | — | — |
| Engineering — Calculation data | |||
| SKF performance class | SKF Explorer | — | — |
| Engineering — Dimensions | |||
| Raceway diameter inner ringF | 52 mm | — | — |
| Chamfer dimension outer ringr 1,2 | min. 0.6 mm | — | — |
| Permissible axial displacement from the normal position of one bearing ring relative to the others | max. 1 mm | — | — |
| Logistics | |||
| Product net weight | 0.271 kg | — | — |
| eClass code | 23-05-09-03 | — | — |
| UNSPSC code | 31171512 | — | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 393262 | — |
| Base Type | — | NA4909 | — |
| Old Designation | — | ["NA4909"] | — |
| Gpsd Group | — | I01 | — |
| Product Line Id | — | 09 | — |
| X Life Marking | — | XL | — |
| Cad Part Number | — | — | NA4909 |
| Materials | |||
| Rolling Element Material | — | — | SUJ2 |
| Retainer Material | — | — | Steel |
| Product Identity | |||
| Short Description | — | Radial 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 | — | Radial roller bearing NA..-XL | — |
| 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 | 1.0 kg CO 2 e | — | — |
| Technical Data | |||
| Rolling Element | — | — | Roller |
| Relubricatable | — | — | Yes |
| Outside Diamater (D) | — | 68 mm | — |
| Total Width (B) | — | 22 mm | — |
| Basic Dynamic Load Rating, Radial (Cr) | — | 51,000 N | — |
| Basic Static Load Rating, Radial (C0R) | — | 73,000 N | — |
| Raceway Diameter Inner Ring (F) | — | 52 mm | — |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Limiting Speed For Grease Lubrication (Ng Grea) | — | 5,200 1/min | — |
| Operating Temperature Max. (Tmax) | — | 120 °C | — |
| Limiting Speed (Limiting Spe) | — | 8,600 1/min | — |
| Reference Speed (Nϑr) | — | 4,700 1/min | — |
| Axial Displacement (S) | — | 1 mm | — |
| Bore Diameter (D) | — | 45 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 0.6 mm | — |
| Fatigue Load Limit, Radial (Cur) | — | 12,900 N | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.