Other ball bearing designs: types, dimensions & brand filters
Less common ball-bearing descriptions are retained without forcing them into a misleading standard family.
On this page5 sections ⌄
Where this family is used
Special ball-bearing arrangements.
Read equipment selection guides →Selection and interchange checks
Read the original drawing and complete suffix before assigning load direction or an equivalent.
Full verification checklist →Other ball bearing designs — actual products
First 12 records. Open all results to filter brands and technical attributes. These are search candidates, not approved replacements.
| Brand / complete designation | Type | d×D×B (mm) | Closure | Original precision | Clearance |
|---|---|---|---|---|---|
| KOYOKAA020 | K-series super thin section ball bearings | 50.8×63.5×6.35 | Open | Not reported | Not reported |
| KOYOKAA025 | K-series super thin section ball bearings | 63.5×76.2×6.35 | Open | Not reported | Not reported |
| KOYOKAA030 | K-series super thin section ball bearings | 76.2×88.9×6.35 | Open | Not reported | Not reported |
| KOYOKAA035 | K-series super thin section ball bearings | 88.9×101.6×6.35 | Open | Not reported | Not reported |
| KOYOKAA040 | K-series super thin section ball bearings | 101.6×114.3×6.35 | Open | Not reported | Not reported |
| KOYOKAA042 | K-series super thin section ball bearings | 107.95×120.65×6.35 | Open | Not reported | Not reported |
| KOYOKAA045 | K-series super thin section ball bearings | 114.3×127×6.35 | Open | Not reported | Not reported |
| KOYOKAA047 | K-series super thin section ball bearings | 120.65×133.35×6.35 | Open | Not reported | Not reported |
| KOYOKAA050 | K-series super thin section ball bearings | 127×139.7×6.35 | Open | Not reported | Not reported |
| KOYOKAA055 | K-series super thin section ball bearings | 139.7×152.4×6.35 | Open | Not reported | Not reported |
| KOYOKAA060 | K-series super thin section ball bearings | 152.4×165.1×6.35 | Open | Not reported | Not reported |
| KOYOKAA065 | K-series super thin section ball bearings | 165.1×177.8×6.35 | Open | Not reported | Not reported |
— = not recorded. Width conventions differ for tapered assemblies, thrust bearings and mounted units. Always inspect the dimensional drawing.
Filter all 1,023 records →All recorded subtypes in this family
Original catalogue descriptions are preserved in the records. Identical display names, including singular/plural variants, share one combined entry. Selecting a subtype opens its brand and technical filters.
No subtype matches this text.
Reference basis & data limits
Manufacturer terminology is retained in the product records. Technical reference basis: JTEKT Basic Bearing Knowledge (boundary dimensions, tolerance classes and lubrication); NSK Bearing ABCs (lubrication, designations and clearance); NTN technical FAQs (closure codes and component interchange); SKF rolling-bearing selection and maintenance references.
Selection workflows and catalogue grouping are BearingScope editorial aids. Verify the current drawing and application requirements before using a candidate. Missing database information is not converted into an assumed match.