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
“309” across 2 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 | SKF30945 × 100 × 25 mm | TIMKEN309W45 × 100 × 25 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | TIMKEN |
| Designation | 309 | 309W |
| Product family | Deep groove ball bearings | Radial Deep-Groove Ball |
| Detailed type | Deep groove ball bearing with filling slots | Deep groove ball bearings |
| Series | — | 300 |
| Bore diameterd | 45 mm | 45 mm |
| Outside diameterD | 100 mm | 100 mm |
| WidthB | 25 mm | 25 mm |
| Basic dynamic load ratingC | 55 kN | 69.1 kN |
| Basic static load ratingC0 | 44 kN | 47.5 kN |
| Fatigue load limitPu | 1.86 kN | — |
| Reference speednref | 13000 r/min | — |
| Limiting speednG | 7500 r/min | — |
| Mass≈m | 0.89 kg | 0.83 kg |
| Internal clearance | CN | — |
| Sealing | Without | Open |
| Cage | Sheet metal | Steel cage |
| Bearing material | Bearing steel | — |
| Lubricant | None | — |
| Calculation Factors | ||
| K Factor | — | 0.00 |
| Y1 Factor | — | 0.00 |
| Y2 Factor | — | 0.00 |
| Y0 Factor | — | 0.50 |
| E Factor | — | 0.00 |
| Cg Factor | — | 0.0455 |
| Engineering — Abutment dimensions | ||
| Diameter of shaft abutmentd a | min. 54 mm | — |
| Diameter of housing abutmentD a | max. 91 mm | — |
| Radius of shaft or housing filletr a | max. 1.5 mm | — |
| Engineering — Calculation data | ||
| Minimum load factork r | 0.05 | — |
| Engineering — Dimensions | ||
| Shoulder diameterd 1 | ≈ 62.18 mm | — |
| Recess diameterD 2 | ≈ 86.7 mm | — |
| Chamfer dimensionr 1,2 | min. 1.5 mm | — |
| Logistics | ||
| Product net weight | 0.89 kg | — |
| eClass code | 23-05-08-01 | — |
| UNSPSC code | 31171504 | — |
| Manufacturer Identity | ||
| Material Number | — | 000000000100155244 |
| World Assembly Part Number | — | 309W |
| Upc | — | 0087796042933 |
| Official Source System | — | CORE BP - DS DF |
| Official Last Run | — | 2026-08-23T20:02:47.487 |
| Product identity | ||
| Official product category | Deep groove ball bearings | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/deep-groove-ball-bearings | — |
| Structure group ID | BB1_001_101 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Type Description | — | Radial Deep-Groove Ball |
| Construction | — | Single Row Deep Groove Ball Bearing | Imperial Series | 1.7717 in Bore | 3.9370 in OD | 0.9840 in Width | Open | Cylindrical Bore | Steel Cage | C0 Clearance | ISO P0 Tolerance |
| Number Of Rows | 1 | 1 |
| Tapered Bore | — | N |
| Properties | ||
| Filling slots | With | — |
| Locating feature, bearing outer ring | Without | — |
| Bore type | Cylindrical | — |
| Matched arrangement | No | — |
| Radial internal clearance | CN | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Relubrication feature | Without | — |
| Indicative carbon footprint for new product | 3.3 kg CO 2 e | — |
| Technical Data | ||
| Overall Width | — | 0.000 mm |
| Radial Rating | — | 76,700 N |
| Axial Rating | — | 0 N |
| Dynamic Rating C1 | — | 69,100 N |
| Dynamic Rating C90 | — | 0 N |
| Dynamic Axial Rating Ca90 | — | 0 N |
| Dynamic Axial Rating Ca1 | — | 0 N |
| Static Radial Rating C0 | — | 47,500 N |
| Extended Dynamic Rating Ce | — | 76,700 N |
| Static Axial Rating C0A | — | 0 N |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.