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 53338X. This table explores the base group 53338; it does not preserve or approve every requested suffix. Search your complete marking first →
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.
“53338” 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.
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.