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 5209-2RS. This table explores the base group 5209; 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.
“5209” 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 | NSK520945 × 85 × 30.2 mm | KOYO520945 × 85 × 30.2 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | NSK | KOYO |
| Designation | 5209 | 5209 |
| Product family | Angular contact ball bearing | Double-row / Open |
| Detailed type | Angular contact ball bearings | Angular contact ball bearings |
| Bore diameterd | 45 mm | 45 mm |
| Outside diameterD | 85 mm | 85 mm |
| WidthB | 30.2 mm | 30.2 mm |
| Basic dynamic load ratingC | 54.5 kN | 62.3 kN |
| Basic static load ratingC0 | 38 kN | 38.4 kN |
| Fatigue load limitPu | — | 2 kN |
| Limiting speednG | — | 4600 r/min |
| Mass≈m | 0.67 kg | 0.62 kg |
| Sealing | Open | Open |
| Cage | Pressed steel | — |
| Boundary dimensions | ||
| Individual bearing widthB | 30.2 mm | — |
| Minimum bearing chamferr min. | 1.1 mm | — |
| Classification | ||
| Official Category Path | — | Angular contact ball bearings - Double-row - Open |
| Official Classification 1 | — | Angular contact ball bearings / Double-row / Open |
| Construction | ||
| Cage material and construction | Pressed steel | — |
| Construction / arrangement | Double-row angular contact bearing | — |
| Load ratings | ||
| Basic dynamic radial load ratingCr | 54500 N | — |
| Basic static radial load ratingC0r | 38000 N | — |
| Load-centre geometry | ||
| Load-centre spacinga0 | 43.4 mm | — |
| Lubrication-qualified speed | ||
| Limiting speed — grease | 5000 r/min | — |
| Limiting speed — oil | 6700 r/min | — |
| Manufacturer Identity | ||
| Official Class Key | — | 020-030-000 |
| Mass reference | ||
| Approximate mass | 0.67 kg | — |
| Mounting dimensions — shown arrangement | ||
| Minimum shaft shoulder diameterda min. | 52 mm | — |
| Maximum housing shoulder diameterDa max. | 78 mm | — |
| Maximum adjacent fillet radiusra max. | 1 mm | — |
| Technical Data | ||
| d | — | 85 mm |
| B | — | 30.2 mm |
| R(Min.) | — | 1.1 mm |
| Basic Load Ratings : Cr | — | 62.3 kN |
| Basic Load Ratings : C0R | — | 38.4 kN |
| Fatigue Load Limit : Cu | — | 2.00 kN |
| Limiting Speeds(Grease Lub.) | — | 4600 min-1 |
| Limiting Speeds(Oil Lub.) | — | 6100 min-1 |
| Load Center Spread : A | — | 42.2 mm |
| Da(Min.) | — | 52 mm |
| Da(Max.) | — | 78 mm |
| Ra(Max.) | — | 1 mm |
| Mass(Refer.) | — | 0.620 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.