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
“53338” across 2 loaded brands
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Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | NSK53338X190 × 320 × 111 mm | KOYO53338190 × 320 × 111 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | NSK | KOYO |
| Designation | 53338X | 53338 |
| 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 | 190 mm | 190 mm |
| Outside diameterD | 320 mm | 320 mm |
| WidthB | 111 mm | 111 mm |
| Fatigue load limitPu | — | 55.3 kN |
| Limiting speednG | — | 440 r/min |
| Mass≈m | 38.1 kg | 36.3 kg |
| Aligning-seat geometry | ||
| Aligning-seat geometric referenceA | 104 mm | — |
| Spherical seat radiusR | 250 mm | — |
| Assembly boundary dimensions | ||
| Shaft-washer bore diameterd | 190 mm | — |
| Overall outside diameterD | 320 mm | — |
| Complete assembled heightT3 | 111 mm | — |
| Axial load ratings | ||
| Basic dynamic axial load ratingCa | 550000 N | — |
| Basic static axial load ratingC0a | 1960000 N | — |
| Chamfers | ||
| Minimum housing-side chamferr min. | 4 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 | 315 mm | — |
| Housing washer bore diameterD1 | 195 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 | 500 r/min | — |
| Limiting speed — oil | 750 r/min | — |
| Manufacturer Identity | ||
| Official Class Key | — | 070-010-000 |
| Mass reference | ||
| Approximate assembly mass | 38.1 kg | — |
| Mounting dimensions | ||
| Minimum shaft abutment diameterda min. | 266 mm | — |
| Maximum housing abutment diameterDa max. | 244 mm | — |
| Maximum housing-side fillet radiusra max. | 3 mm | — |
| Technical Data | ||
| d | — | 320 mm |
| T | — | 111 mm |
| R(Min.) | — | 4 mm |
| Basic Load Ratings Ca | — | 679 kN |
| Basic Load Ratings C0A | — | 1950 kN |
| Fatigue Load Limit : Cu | — | 55.3 kN |
| Limiting Speeds(Grease Lub.) | — | 440 min-1 |
| Limiting Speeds(Oil Lub.) | — | 680 min-1 |
| D1(Max.) | — | 315 mm |
| D1(Min.) | — | 195 mm |
| D2 | — | - mm |
| D3 | — | - mm |
| A | — | 104 mm |
| R | — | 250 mm |
| C | — | - mm |
| Da(Min.) | — | 266 mm |
| Da(Max.) | — | 244 mm |
| Ra(Max.) | — | 3 mm |
| Mass(Refer.) | — | 36.3 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.