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 6701-ZZX. This table explores the base group 6701; it does not preserve or approve every requested suffix. Search your complete marking first →
One base designation across loaded brands
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“6701” across 2 loaded brands
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Brand differences at a glance
| Parameter | KOYO670112 × 18 × 4 mm | EZO6701ZZ12 × 18 × 4 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | KOYO | EZO |
| Designation | 6701 | 6701ZZ |
| Product family | Single-row / Open type | Thin-Section Ball Bearing |
| Detailed type | Deep groove ball bearings | Deep groove ball bearings |
| Bore diameterd | 12 mm | 12 mm |
| Outside diameterD | 18 mm | 18 mm |
| WidthB | 4 mm | 4 mm |
| Basic dynamic load ratingC | 1.15 kN | 0.928 kN |
| Basic static load ratingC0 | 0.53 kN | 0.532 kN |
| Fatigue load limitPu | 0.023 kN | — |
| Limiting speednG | 34000 r/min | — |
| Mass≈m | 0.003 kg | 0.00283 kg |
| Sealing | Open | Two pressed-steel shields |
| Bearing material | — | High-carbon chromium bearing steel |
| Boundary dimensions | ||
| Outer diameterD | — | 18 mm |
| Outer diameterD | — | 0.7087 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 | — | 0.2 mm |
| Inner ring chamfer dimensionr si min | — | 0.0079 inch |
| Outer ring chamfer dimensionr se min | — | 0.2 mm |
| Outer ring chamfer dimensionr se min | — | 0.0079 inch |
| Classification | ||
| Official Category Path | Deep groove ball bearings - Single-row - Open type | — |
| Official Classification 1 | Deep groove ball bearings / Single-row / Open type | — |
| Construction | ||
| Closure interpretation | — | Two pressed-steel shields |
| Material interpretation | — | High-carbon chromium bearing steel |
| Lubrication-qualified speed | ||
| Catalogue limiting speed (grease) | — | 13000 r/min |
| Catalogue limiting speed (oil) | — | 15000 r/min |
| Manufacturer Identity | ||
| Official Class Key | 010-010-010 | — |
| Mounting dimensions | ||
| Adjacent mounting dimension (da min)da min | — | 17 mm |
| Adjacent mounting dimension (da min)da min | — | 0.6693 inch |
| Adjacent mounting dimension (da max)da max | — | 17 mm |
| Adjacent mounting dimension (da max)da max | — | 0.6693 inch |
| Adjacent mounting dimension (r asi max)r asi max | — | 0.2 mm |
| Adjacent mounting dimension (r asi max)r asi max | — | 0.0079 inch |
| Adjacent mounting dimension (r ase max)r ase max | — | 0.2 mm |
| Adjacent mounting dimension (r ase max)r ase max | — | 0.0079 inch |
| Reference mass | ||
| Reference mass | — | 2.83 g |
| Rolling elements | ||
| Ball diameterDw | — | 1.588 mm |
| Ball quantityZ | — | 13 |
| Technical Data | ||
| d | 18 mm | — |
| B | 4 mm | — |
| R(Min.) | 0.2 mm | — |
| Basic Load Ratings : Cr | 1.15 kN | — |
| Basic Load Ratings : C0R | 0.530 kN | — |
| Fatigue Load Limit : Cu | 0.023 kN | — |
| Factor : F0 | 16.2 | — |
| Limiting Speeds(Grease Lub.) | 34000 min-1 | — |
| Limiting Speeds(Oil Lub.) | 41000 min-1 | — |
| Da(Min.) | 13.6 mm | — |
| Da(Max.) | 16.4 mm | — |
| Ra(Max.) | 0.2 mm | — |
| Mass(Refer.) | 0.003 kg | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.