Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
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You entered 53418X. This table explores the base group 53418; it does not preserve or approve every requested suffix. Search your complete marking first →
One base designation across loaded brands
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“53418” across 2 loaded brands
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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.