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.
Data incomplete
“K75” across 3 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 | SKFK 75X81X20Single row needle roller and cage assembly | INAK75X81X2075 × 81 × 20 mm | KOYOK75X83X23Needle roller bearings |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | INA | KOYO |
| Designation | K 75X81X20 | K75X81X20 | K75X83X23 |
| Product family | Needle roller bearings | — | Radial needle roller and cage assemblies / Metric series / K,K.ZW |
| Detailed type | Single row needle roller and cage assembly | Needle roller cage assembly | Needle roller bearings |
| Bore diameterd | — | 75 mm | — |
| Outside diameterD | 81 mm | 81 mm | — |
| WidthB | 20 mm | 20 mm | — |
| Basic dynamic load ratingC | 35.8 kN | 37.5 kN | 52.5 kN |
| Basic static load ratingC0 | 93 kN | 94 kN | 114 kN |
| Fatigue load limitPu | 11.6 kN | 12.6 kN | 18.2 kN |
| Reference speednref | 5600 r/min | 3850 r/min | — |
| Limiting speednG | 6300 r/min | 6300 r/min | 3600 r/min |
| Mass≈m | 0.072 kg | 0.07984 kg | 0.104 kg |
| Sealing | Without | — | — |
| Cage | Sheet steel | — | — |
| Bearing material | Bearing steel | — | — |
| Lubricant | None | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — |
| Maximum operating temperatureTmax | — | 140 °C | — |
| Classification | |||
| Official Category Path | — | — | Needle roller bearings - Radial needle roller and cage assemblies - Metric series - K,K.ZW |
| Official Classification 1 | — | — | Needle roller bearings / Radial needle roller and cage assemblies / Metric series / K,K.ZW |
| Dimensions | |||
| Bore diameter of needle roller complement | 75.0 mm | — | — |
| Outside diameter of needle roller complement | 81.0 mm | — | — |
| Engineering — Dimensions | |||
| Diameter under rollersF w | 75 mm | — | — |
| Outside diameter roller complementE w | 81 mm | — | — |
| Width needle roller and cage assemblyU | 20 mm | — | — |
| Logistics | |||
| Product net weight | 0.072 kg | — | — |
| eClass code | 23-05-09-03 | — | — |
| UNSPSC code | 31171512 | — | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 379850 | — |
| Official Class Key | — | — | 090-010-010 |
| Base Type | — | K75X81X20 | — |
| Gpsd Group | — | I01 | — |
| Product Line Id | — | 09 | — |
| X Life Marking | — | n.r. | — |
| Product identity | |||
| Official product category | Needle roller bearings | — | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/needle-roller-bearings/needle-roller-and-cage-assemblies | — | — |
| Structure group ID | BN1_001 | — | — |
| Available from SKF | Yes | — | — |
| Remanufacturable | No | — | — |
| Product Identity | |||
| Construction | — | Needle roller cage assembly K, single row | — |
| Short Description | — | Needle roller cage assembly | — |
| Properties | |||
| Bearing part | Needle roller and cage assembly | — | — |
| Number of rows | 1 | — | — |
| Outer ring type | Not applicable | — | — |
| Aligning feature | Without | — | — |
| Tolerance class | Normal | — | — |
| Material, bearing | Bearing steel | — | — |
| Coating | Without | — | — |
| Relubrication feature | Without | — | — |
| Indicative carbon footprint for new product | 0.27 kg CO 2 e | — | — |
| Technical Data | |||
| Fw | — | — | 75 mm |
| Ew | — | — | 83 mm |
| Bc | — | — | 23 mm |
| Basic Load Ratings : Cr | — | — | 52.5 kN |
| Inner Diameter Of Needle Roller Complement (Fw) | — | 75 mm | — |
| Basic Load Ratings : C0R | — | — | 114.0 kN |
| Outside Diameter Of Needle Roller Complement (Ew) | — | 81 mm | — |
| Fatigue Load Limit : Cu | — | — | 18.2 kN |
| Width (Bc) | — | 20 mm | — |
| Cage Material P/S | — | — | S |
| Basic Dynamic Load Rating, Radial (Cr) | — | 37,500 N | — |
| Limiting Speeds(Grease Lub.) | — | — | 3600 min-1 |
| Basic Static Load Rating, Radial (C0R) | — | 94,000 N | — |
| Limiting Speeds(Oil Lub.) | — | — | 5600 min-1 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Recommended Dimensions Shaft : S(Max.) | — | — | 75.000 mm |
| Operating Temperature Max. (Tmax) | — | 140 °C | — |
| Recommended Dimensions Shaft : S(Min.) | — | — | 74.987 mm |
| Limiting Speed (Limiting Spe) | — | 6,300 1/min | — |
| Recommended Dimensions Housing : H(Max.) | — | — | 83.034 mm |
| Reference Speed (Nϑr) | — | 3,850 1/min | — |
| Recommended Dimensions Housing : H(Min.) | — | — | 83.012 mm |
| Fatigue Load Limit, Radial (Cur) | — | 12,600 N | — |
| Mass(Refer.) | — | — | 0.104 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.