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.
Data incomplete
“RNA6909” across 4 loaded brands
The base designation is shared, but too few brands have complete boundary dimensions. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | SKFRNA 6909Double row needle roller bearing with machined rings, with flanges, without an inner ring | INARNA6909-ZW-XL52 × 68 × mm | KOYORNA6909Needle roller bearings | IKORNA690952 × 68 × 40 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | SKF | INA | KOYO | IKO |
| Designation | RNA 6909 | RNA6909-ZW-XL | RNA6909 | RNA6909 |
| Product family | Needle roller bearings | — | Heavy-duty needle roller bearings / Metric series, caged, without inner ring | Machined Type Needle Roller Bearings |
| Detailed type | Double row needle roller bearing with machined rings, with flanges, without an inner ring | Radial roller bearing | Needle roller bearings | Needle roller bearings |
| Series | — | RNA6909 | — | RNA69 |
| Bore diameterd | — | 52 mm | — | 52 mm |
| Outside diameterD | 68 mm | 68 mm | 68 mm | 68 mm |
| WidthB | 40 mm | — | — | 40 mm |
| Basic dynamic load ratingC | 81.5 kN | 79 kN | 74.7 kN | 74.6 kN |
| Basic static load ratingC0 | 137 kN | 127 kN | 137 kN | 147 kN |
| Fatigue load limitPu | 17.3 kN | 21.8 kN | 21.7 kN | — |
| Reference speednref | 7500 r/min | 4950 r/min | — | 4500 r/min |
| Limiting speednG | 8500 r/min | 8600 r/min | 5400 r/min | 7500 r/min |
| Mass≈m | 0.338 kg | 0.34515 kg | 0.392 kg | 0.354981 kg |
| Precision class | — | — | — | JIS, Class 0 |
| Sealing | Without | — | — | — |
| Cage | Sheet steel | — | — | 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 |
| Classification | ||||
| Official Category Path | — | — | Needle roller bearings - Heavy-duty needle roller bearings - Metric series, caged, without inner ring | — |
| Official Classification 1 | — | — | Needle roller bearings / Heavy-duty needle roller bearings / Metric series, caged, without inner ring | — |
| Dimensions | ||||
| Bore diameter of needle roller complement | 52.0 mm | — | — | — |
| Engineering — Abutment dimensions | ||||
| Diameter of housing abutmentD a | max. 64 mm | — | — | — |
| Fillet radiusr a | max. 0.6 mm | — | — | — |
| Engineering — Associated seals | ||||
| Radial shaft seal | 52x68x8 HMS5 RG | — | — | — |
| Engineering — Calculation data | ||||
| SKF performance class | SKF Explorer | — | — | — |
| Engineering — Dimensions | ||||
| Diameter under rollersF w | 52 mm | — | — | — |
| Chamfer dimension outer ringr 1,2 | min. 0.6 mm | — | — | — |
| Logistics | ||||
| Product net weight | 0.338 kg | — | — | — |
| eClass code | 23-05-09-03 | — | — | — |
| UNSPSC code | 31171512 | — | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | — | 393544 | — | — |
| Official Class Key | — | — | 090-030-010 | — |
| Base Type | — | RNA6909 | — | — |
| Old Designation | — | ["RNA6909-ZW"] | — | — |
| Gpsd Group | — | I01 | — | — |
| Product Line Id | — | 09 | — | — |
| X Life Marking | — | XL | — | — |
| Cad Part Number | — | — | — | RNA6909 |
| 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 |
| Official Bearing Family | — | — | — | Needle Roller Bearings |
| Official Bearing Type | — | — | — | Machined Type Needle Roller Bearings |
| Construction | — | Needle roller bearings RNA, to DIN 617/ISO 1206 | — | — |
| 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_002 | — | — | — |
| Available from SKF | Yes | — | — | — |
| Remanufacturable | No | — | — | — |
| Properties | ||||
| Bearing part | Bearing without inner ring | — | — | — |
| Number of rows | 2 | — | — | — |
| Outer ring type | Machined (solid) | — | — | — |
| Aligning feature | Without | — | — | — |
| Number of flanges, outer ring | 3 | — | — | — |
| Tolerance class | Normal | — | — | — |
| Material, bearing | Bearing steel | — | — | — |
| Coating | Without | — | — | — |
| Relubrication feature | With | — | — | — |
| Indicative carbon footprint for new product | 1.3 kg CO 2 e | — | — | — |
| Technical Data | ||||
| Rolling Element | — | — | — | Roller |
| Relubricatable | — | — | — | Yes |
| Fw | — | — | 52 mm | — |
| D | — | — | 68 mm | — |
| C | — | — | 40 mm | — |
| R(Min.) | — | — | 0.6 mm | — |
| Basic Load Ratings : Cr | — | — | 74.7 kN | — |
| Basic Load Ratings : C0R | — | — | 137? kN | — |
| Under Roller Diameter (Fw) | — | 52 mm | — | — |
| Fatigue Load Limit : Cu | — | — | 21.7 kN | — |
| Outside Diamater (D) | — | 68 mm | — | — |
| Limiting Speeds(Grease Lub.) | — | — | 5400 min-1 | — |
| Basic Dynamic Load Rating, Radial (Cr) | — | 79,000 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | 8400 min-1 | — |
| Basic Static Load Rating, Radial (C0R) | — | 127,000 N | — | — |
| (Refer.)Mass | — | — | 0.392? kg | — |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — |
| Mass(Refer.) | — | — | 0.392? kg | — |
| 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) | — | 4,950 1/min | — | — |
| Width, Outer Ring (C) | — | 40 mm | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 0.6 mm | — | — |
| Fatigue Load Limit, Radial (Cur) | — | 21,800 N | — | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.