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.
Dimensions verified
“7001” across 3 loaded brands
At least two brands share the same bore, outside diameter and width. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | SKF7001 CD/P4ADBA12 × 28 × 16 mm | NSK7001AWDB12 × 28 × 16 mm | KOYO7001DB FY12 × 28 × 16 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | NSK | KOYO |
| Designation | 7001 CD/P4ADBA | 7001AWDB | 7001DB FY |
| Product family | Super-precision angular contact ball bearings | Angular contact ball bearing | Matched pair / Back-to-back / With machined cage |
| Detailed type | Matched set of two super-precision, high-capacity, d design, single row angular contact ball bearings | Angular contact ball bearings | Angular contact ball bearings |
| Bore diameterd | 12 mm | 12 mm | 12 mm |
| Outside diameterD | 28 mm | 28 mm | 28 mm |
| WidthB | 16 mm | 16 mm | 16 mm |
| Basic dynamic load ratingC | 7.28 kN | 10.3 kN | 11 kN |
| Basic static load ratingC0 | 3.8 kN | 5.95 kN | 5.45 kN |
| Fatigue load limitPu | 0.163 kN | — | 0.28 kN |
| Limiting speednG | — | — | 23000 r/min |
| Mass≈m | 0.042 kg | — | 0.048 kg |
| Sealing | Without | — | — |
| Cage | — | Pressed steel | — |
| Bearing material | Bearing steel | — | — |
| Lubricant | None | — | — |
| Boundary dimensions | |||
| Individual bearing widthB | — | 8 mm | — |
| Minimum bearing chamferr min. | — | 0.3 mm | — |
| Nominal width of two-bearing assembly2B | — | 16 mm | — |
| Minimum secondary bearing chamferr1 min. | — | 0.15 mm | — |
| Classification | |||
| Official Category Path | — | — | Angular contact ball bearings - Matched pair - Back-to-back - With machined cage |
| Official Classification 1 | — | — | Angular contact ball bearings / Matched pair / Back-to-back / With machined cage |
| Construction | |||
| Nominal contact angleα | — | 30 ° | — |
| Standard cage code | — | W | — |
| Optional cage codes — ratings require separate confirmation | — | (M), T,TYN | — |
| Catalogue matching scope | — | DB, DF, DT | — |
| Cage material and construction | — | Pressed steel | — |
| Construction / arrangement | — | Back-to-back matched pair | — |
| Dimensions | |||
| Contact angle | 15.0 ° | — | — |
| Engineering — Abutment dimensions | |||
| Diameter of shaft abutmentd a | min. 14 mm | — | — |
| Diameter of housing abutmentD b | max. 26.6 mm | — | — |
| Radius of filletr a | max. 0.3 mm | — | — |
| Radius of filletr b | max. 0.2 mm | — | — |
| Position of oil nozzled n | 18 mm | — | — |
| Engineering — Calculation data | |||
| Attainable speed for grease lubrication | To be calculated: Single bearing (67000) x speed reduction factor (see table below) | — | — |
| Attainable speed for oil-air lubrication | To be calculated: Single bearing (100000) x speed reduction factor (see table below) | — | — |
| Contact angleα | 15 ° | — | — |
| Ball diameterD w | 4.762 mm | — | — |
| Number of rowsi | 2 | — | — |
| Number of balls (per bearing)z | 10 | — | — |
| Reference grease quantity (per bearing)G ref | 0.27 cm³ | — | — |
| Engineering — Calculation data — Correction factors for preload calculation | |||
| Correction factor dependent on bearing series and sizef | 1 | — | — |
| Correction factor dependent on contact anglef 1 | 1 | — | — |
| Correction factor, preload class Af 2A | 1 | — | — |
| Correction factor for hybrid bearingsf HC | 1 | — | — |
| Engineering — Calculation data — Factors for equivalent bearing load calculation | |||
| Calculation factor for equivalent loadsf 0 | 8.7 | — | — |
| Additional factors for equivalent loads | Refer to Notes 1 and 2 below | — | — |
| Engineering — Calculation data — Preload and stiffness (back-to-back, face-to-face) | |||
| Preload class | A | — | — |
| PreloadG | 15 N | — | — |
| Axial stiffness | 14 N/µm | — | — |
| Engineering — Dimensions | |||
| Shoulder diameter of inner ring (large side face)d 1 | 17.1 mm | — | — |
| Chamfer dimensionr 1,2 | min. 0.3 mm | — | — |
| Chamfer dimensionr 3,4 | min. 0.2 mm | — | — |
| Engineering — Engineering specifications | |||
| Universal matching bearing(s) | No | — | — |
| Load-centre geometry | |||
| Single-bearing effective load centrea | — | 9.8 mm | — |
| Matched-pair load-centre spacinga0 (DB) | — | 19.5 mm | — |
| Logistics | |||
| Product net weight | 0.042 kg | — | — |
| eClass code | 23-05-08-04 | — | — |
| UNSPSC code | 31171531 | — | — |
| Lubrication-qualified speed | |||
| Limiting speed — grease | — | 18000 r/min | — |
| Limiting speed — oil | — | 24000 r/min | — |
| Manufacturer Identity | |||
| Official Class Key | — | — | 020-020-010 |
| Mass reference | |||
| Single-bearing approximate mass (not pair mass) | — | 0.021 kg | — |
| Matched-pair load ratings | |||
| Basic dynamic radial load ratingCr | — | 10300 N | — |
| Basic static radial load ratingC0r | — | 5950 N | — |
| Mounting dimensions — shown arrangement | |||
| Minimum shaft shoulder diameterda min. | — | 14.5 mm | — |
| Maximum housing shoulder diameterDb max. | — | 26.8 mm | — |
| Maximum shaft-side fillet radiusra max. | — | 0.3 mm | — |
| Performance | |||
| Note | Refer to catalogue data or contact SKF for the attainable speeds | — | — |
| Product identity | |||
| Official product category | Super-precision angular contact ball bearings | — | — |
| Official taxonomy path | /products/super-precision-bearings/angular-contact-ball-bearings | — | — |
| Structure group ID | BA1_010 | — | — |
| Available from SKF | Yes | — | — |
| Remanufacturable | No | — | — |
| Properties | |||
| Contact type | Normal contact (two-point contact) | — | — |
| Number of rows | 2 | — | — |
| Ring type | One-piece inner and outer rings | — | — |
| Design | High-capacity D | — | — |
| Universal matching bearing | No | — | — |
| Matched arrangement | Back-to-back <> | — | — |
| Number of bearings in matched set | 2 | — | — |
| Matched condition (axial clearance/ preload) | Extra light preload | — | — |
| Tolerance class | P4A | — | — |
| Material, bearing | Bearing steel | — | — |
| Coating | Without | — | — |
| Indicative carbon footprint for new product | 0.16 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 28 mm |
| B | — | — | 16 mm |
| R(Min.) | — | — | 0.3 mm |
| R1(Min.) | — | — | 0.15 mm |
| Basic Load Ratings : Cr | — | — | 11.0 kN |
| Basic Load Ratings : C0R | — | — | 5.45 kN |
| Fatigue Load Limit : Cu | — | — | 0.280 kN |
| Limiting Speeds(Grease Lub.) | — | — | 23000 min-1 |
| Limiting Speeds(Oil Lub.) | — | — | 29000 min-1 |
| Load Center Spread : A | — | — | 19.9 mm |
| Da(Min.) | — | — | 14.5 mm |
| Db(Max.) | — | — | 26.8 mm |
| Ra(Max.) | — | — | 0.3 mm |
| Rb(Max.) | — | — | 0.15 mm |
| Mass(Refer.) | — | — | 0.048 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.