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
“23020” 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.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | NSK23020CDE4100 × 150 × 37 mm | KOYO23020RH100 × 150 × 37 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | NSK | KOYO |
| Designation | 23020CDE4 | 23020RH |
| Product family | Spherical roller bearing | Spherical roller bearings |
| Detailed type | Spherical roller bearings | Spherical roller bearings |
| Bore diameterd | 100 mm | 100 mm |
| Outside diameterD | 150 mm | 150 mm |
| WidthB | 37 mm | 37 mm |
| Basic dynamic load ratingC | 212 kN | 262 kN |
| Basic static load ratingC0 | 335 kN | 332 kN |
| Fatigue load limitPu | — | 33.7 kN |
| Limiting speednG | — | 2900 r/min |
| Mass≈m | 2.31 kg | 2.34 kg |
| Internal clearance | CN | — |
| Cage | Pressed steel | — |
| Boundary dimensions | ||
| Bearing widthB | 37 mm | — |
| Minimum bearing chamferr min. | 1.5 mm | — |
| Classification | ||
| Official Category Path | — | Spherical roller bearings - Spherical roller bearings |
| Official Classification 1 | — | Spherical roller bearings |
| Construction | ||
| Bore construction | Cylindrical bore | — |
| Cage material and manufacture | Pressed steel | — |
| Outer-ring lubrication features | E4: oil groove and oil holes | — |
| Internal clearance — catalogue omission rule | CN (normal), where no clearance suffix is specified | — |
| Precision — catalogue omission rule | ISO Normal, where no precision suffix is specified | — |
| Catalogue NSK HPS marking | No HPS asterisk in this row | — |
| Equivalent-load factors | ||
| Dynamic load ratio thresholde | 0.22 | — |
| Dynamic axial factor above thresholdY2 | 4.6 | — |
| Dynamic axial factor at or below thresholdY3 | 3.1 | — |
| Static axial load factorY0 | 3 | — |
| Load ratings | ||
| Basic dynamic radial load ratingCr | 212000 N | — |
| Basic static radial load ratingC0r | 335000 N | — |
| Lubrication-qualified speed | ||
| Thermal speed rating — oil bath | 3200 r/min | — |
| Mechanical limiting speed — forced oil circulation | Not stated in this catalogue row | — |
| Limiting speed — grease | 2200 r/min | — |
| Limiting speed — oil bath | 2800 r/min | — |
| Manufacturer Identity | ||
| Official Class Key | — | 060-010-000 |
| Mounting dimensions | ||
| Minimum shaft shoulder diameterda min. | 109 mm | — |
| Maximum shaft shoulder diameterda max. | 112 mm | — |
| Maximum housing shoulder diameterDa max. | 141 mm | — |
| Minimum housing shoulder diameterDa min. | 136 mm | — |
| Maximum adjacent fillet radiusra max. | 1.5 mm | — |
| Reference mass | ||
| Approximate catalogue mass | 2.31 kg | — |
| Technical Data | ||
| d | — | 150 mm |
| B | — | 37 mm |
| R(Min.) | — | 1.5 mm |
| Basic Load Ratings : Cr | — | 262 kN |
| Basic Load Ratings : C0R | — | 332 kN |
| Fatigue Load Limit : Cu | — | 33.7 kN |
| Limiting Speeds(Grease Lub.) | — | 2900 min-1 |
| Limiting Speeds(Oil Lub.) | — | 3900 min-1 |
| Constant E | — | 0.22 |
| Axial Load Factors : Y1 | — | 3.01 |
| Axial Load Factors : Y2 | — | 4.48 |
| Axial Load Factors : Y0 | — | 2.94 |
| Da(Min.) | — | 117 mm |
| Da(Max.) | — | 141 mm |
| Ra(Max.) | — | 1.5 mm |
| Mass(Refer.) | — | 2.34 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.