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.
Designation candidates
“MR115” across 2 loaded brands
One highest-ranked designation candidate is shown per manufacturer. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | NSKMR115VV5 × 11 × 4 mm | EZOMR1155 × 11 × 4 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | NSK | EZO |
| Designation | MR115VV | MR115 |
| Product family | Single row deep groove ball bearings | Miniature Ball Bearing |
| Detailed type | Deep groove ball bearings | Deep groove ball bearings |
| Bore diameterd | 5 mm | 5 mm |
| Outside diameterD | 11 mm | 11 mm |
| WidthB | 4 mm | 4 mm |
| Basic dynamic load ratingC | 0.79 kN | 0.716 kN |
| Basic static load ratingC0 | 0.276 kN | 0.283 kN |
| Mass≈m | — | 0.00144 kg |
| Sealing | Non-contact rubber seals on both sides (VV) | Open (no closure suffix in this catalogue marking) |
| Bearing material | — | High-carbon chromium bearing steel |
| Boundary dimensions | ||
| Bearing width (closed)B1 | 4 mm | — |
| Outer diameterD | — | 11 mm |
| Minimum bearing chamferr1 min. | 0.15 mm | — |
| Outer diameterD | — | 0.4331 inch |
| Inner ring widthB | — | 4 mm |
| Inner ring widthB | — | 0.1575 inch |
| Outer ring widthC | — | 4 mm |
| Outer ring widthC | — | 0.1575 inch |
| Inner ring chamfer dimensionr si min | — | 0.15 mm |
| Inner ring chamfer dimensionr si min | — | 0.0059 inch |
| Outer ring chamfer dimensionr se min | — | 0.15 mm |
| Outer ring chamfer dimensionr se min | — | 0.0059 inch |
| Construction | ||
| Catalogue closure construction | Non-contact rubber seals on both sides (VV) | — |
| Closure interpretation | — | Open (no closure suffix in this catalogue marking) |
| Material interpretation | — | High-carbon chromium bearing steel |
| Load ratings | ||
| Basic dynamic radial load ratingCr | 790 N | — |
| Basic static radial load ratingC0r | 276 N | — |
| Lubrication-qualified speed | ||
| Limiting speed with grease | 48000 r/min | — |
| Catalogue limiting speed (grease) | — | 54000 r/min |
| Catalogue limiting speed (oil) | — | 64000 r/min |
| Mounting dimensions | ||
| Maximum shaft shoulder diameter (closed)db max. | 6.3 mm | — |
| Maximum adjacent fillet radiusrb max. | 0.15 mm | — |
| Minimum housing shoulder diameter (closed)Db min. | 9.8 mm | — |
| Adjacent mounting dimension (da min)da min | — | 10 mm |
| Adjacent mounting dimension (da min)da min | — | 0.3937 inch |
| Adjacent mounting dimension (da max)da max | — | 10.2 mm |
| Adjacent mounting dimension (da max)da max | — | 0.4016 inch |
| Adjacent mounting dimension (r asi max)r asi max | — | 0.15 mm |
| Adjacent mounting dimension (r asi max)r asi max | — | 0.0059 inch |
| Adjacent mounting dimension (r ase max)r ase max | — | 0.15 mm |
| Adjacent mounting dimension (r ase max)r ase max | — | 0.0059 inch |
| Reference mass | ||
| Reference mass | — | 1.44 g |
| Rolling elements | ||
| Ball diameterDw | — | 1.588 mm |
| Ball quantityZ | — | 8 |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.