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
“53418” across 2 loaded brands
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Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | NSK53418X90 × 190 × 81.2 mm | KOYO5341890 × 190 × 81.2 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | NSK | KOYO |
| Designation | 53418X | 53418 |
| Product family | Axial deep groove ball bearing | Single direction / With flat back faces |
| Detailed type | Axial deep groove ball bearings | Axial deep groove ball bearings |
| Bore diameterd | 90 mm | 90 mm |
| Outside diameterD | 190 mm | 190 mm |
| WidthB | 81.2 mm | 81.2 mm |
| Fatigue load limitPu | — | 31.5 kN |
| Limiting speednG | — | 710 r/min |
| Mass≈m | 10.3 kg | 10.7 kg |
| Aligning-seat geometry | ||
| Aligning-seat geometric referenceA | 40 mm | — |
| Spherical seat radiusR | 140 mm | — |
| Assembly boundary dimensions | ||
| Shaft-washer bore diameterd | 90 mm | — |
| Overall outside diameterD | 190 mm | — |
| Complete assembled heightT3 | 81.2 mm | — |
| Axial load ratings | ||
| Basic dynamic axial load ratingCa | 330000 N | — |
| Basic static axial load ratingC0a | 825000 N | — |
| Chamfers | ||
| Minimum housing-side chamferr min. | 2.1 mm | — |
| Classification | ||
| Official Category Path | — | Thrust ball bearings - Single direction - With flat back faces |
| Official Classification 1 | — | Thrust ball bearings / Single direction / With flat back faces |
| Component dimensions | ||
| Shaft washer outside diameterd1 | 187 mm | — |
| Housing washer bore diameterD1 | 93 mm | — |
| Construction | ||
| Axial load directions | One direction | — |
| Seat construction | Aligning seat | — |
| Radial-load support | Not suitable for radial load; separate radial support required | — |
| Lubrication-qualified speed | ||
| Limiting speed — grease | 800 r/min | — |
| Limiting speed — oil | 1200 r/min | — |
| Manufacturer Identity | ||
| Official Class Key | — | 070-010-000 |
| Mass reference | ||
| Approximate assembly mass | 10.3 kg | — |
| Mounting dimensions | ||
| Minimum shaft abutment diameterda min. | 149 mm | — |
| Maximum housing abutment diameterDa max. | 131 mm | — |
| Maximum housing-side fillet radiusra max. | 2 mm | — |
| Technical Data | ||
| d | — | 190 mm |
| T | — | 81.2 mm |
| R(Min.) | — | 2.1 mm |
| Basic Load Ratings Ca | — | 409 kN |
| Basic Load Ratings C0A | — | 826 kN |
| Fatigue Load Limit : Cu | — | 31.5 kN |
| Limiting Speeds(Grease Lub.) | — | 710 min-1 |
| Limiting Speeds(Oil Lub.) | — | 1100 min-1 |
| D1(Max.) | — | 187 mm |
| D1(Min.) | — | 93 mm |
| D2 | — | - mm |
| D3 | — | - mm |
| A | — | 40 mm |
| R | — | 140 mm |
| C | — | - mm |
| Da(Min.) | — | 149 mm |
| Da(Max.) | — | 131 mm |
| Ra(Max.) | — | 2 mm |
| Mass(Refer.) | — | 10.7 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.