Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
Cross Reference centre · Interchange verification checklist · Understand suffix differences
You entered 6838-ZZ. This table explores the base group 6838; it does not preserve or approve every requested suffix. Search your complete marking first →
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.
“6838” across 2 loaded brands
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Brand differences at a glance
| Parameter | NSK6838190 × 240 × 24 mm | KOYO6838190 × 240 × 24 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | NSK | KOYO |
| Designation | 6838 | 6838 |
| Product family | Single row deep groove ball bearings | Single-row / Open type |
| Detailed type | Deep groove ball bearings | Deep groove ball bearings |
| Bore diameterd | 190 mm | 190 mm |
| Outside diameterD | 240 mm | 240 mm |
| WidthB | 24 mm | 24 mm |
| Basic dynamic load ratingC | 80.5 kN | 91.4 kN |
| Basic static load ratingC0 | 93.5 kN | 88.1 kN |
| Fatigue load limitPu | — | 3.1 kN |
| Limiting speednG | — | 2400 r/min |
| Mass≈m | 2.53 kg | 2.6 kg |
| Sealing | Open | Open |
| Boundary dimensions | ||
| Bearing widthB | 24 mm | — |
| Minimum bearing chamferr min. | 1.5 mm | — |
| Classification | ||
| Official Category Path | — | Deep groove ball bearings - Single-row - Open type |
| Official Classification 1 | — | Deep groove ball bearings / Single-row / Open type |
| Construction | ||
| Catalogue closure construction | Open | — |
| Load ratings | ||
| Basic dynamic radial load ratingCr | 80500 N | — |
| Basic static radial load ratingC0r | 93500 N | — |
| Equivalent-load calculation factorf0 | 17.1 | — |
| Lubrication-qualified speed | ||
| Limiting speed with grease | 2200 r/min | — |
| Limiting speed with oil (open bearing) | 2600 r/min | — |
| Manufacturer Identity | ||
| Official Class Key | — | 010-010-010 |
| Mounting dimensions | ||
| Minimum shaft shoulder diameterda min. | 198 mm | — |
| Maximum shaft shoulder diameterda max. | 202.5 mm | — |
| Maximum housing shoulder diameterDa max. | 232 mm | — |
| Maximum shaft or housing fillet radiusra max. | 1.5 mm | — |
| Reference mass | ||
| Approximate catalogue mass (open reference) | 2.53 kg | — |
| Technical Data | ||
| d | — | 240 mm |
| B | — | 24 mm |
| R(Min.) | — | 1.5 mm |
| Basic Load Ratings : Cr | — | 91.4 kN |
| Basic Load Ratings : C0R | — | 88.1 kN |
| Fatigue Load Limit : Cu | — | 3.10 kN |
| Factor : F0 | — | 16.1 |
| Limiting Speeds(Grease Lub.) | — | 2400 min-1 |
| Limiting Speeds(Oil Lub.) | — | 2800 min-1 |
| Da(Min.) | — | 198 mm |
| Da(Max.) | — | 232 mm |
| Ra(Max.) | — | 1.5 mm |
| Mass(Refer.) | — | 2.60 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.