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| Parameter | SKF21155 × 100 × 21 mm | TIMKEN211W55 × 100 × 21 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | TIMKEN |
| Designation | 211 | 211W |
| Product family | Deep groove ball bearings | Radial Deep-Groove Ball |
| Detailed type | Deep groove ball bearing with filling slots | Deep groove ball bearings |
| Series | — | 200 |
| Bore diameterd | 55 mm | 55 mm |
| Outside diameterD | 100 mm | 100 mm |
| WidthB | 21 mm | 21 mm |
| Basic dynamic load ratingC | 48.4 kN | 54.3 kN |
| Basic static load ratingC0 | 44 kN | 40.9 kN |
| Fatigue load limitPu | 1.86 kN | — |
| Reference speednref | 12000 r/min | — |
| Limiting speednG | 7000 r/min | — |
| Mass≈m | 0.656 kg | 0.68 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 | — | 0.0473 |
| Engineering — Abutment dimensions | ||
| Diameter of shaft abutmentd a | min. 64 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 | 0.04 | — |
| Engineering — Dimensions | ||
| Shoulder diameterd 1 | ≈ 69.06 mm | — |
| Recess diameterD 2 | ≈ 89.4 mm | — |
| Chamfer dimensionr 1,2 | min. 1.5 mm | — |
| Logistics | ||
| Product net weight | 0.656 kg | — |
| eClass code | 23-05-08-01 | — |
| UNSPSC code | 31171504 | — |
| Manufacturer Identity | ||
| Material Number | — | 000000000100022900 |
| World Assembly Part Number | — | 211W |
| Upc | — | 0087796042117 |
| Official Source System | — | CORE BP - DS DF |
| Official Last Run | — | 2026-08-23T20:02:47.403 |
| 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 | 2.1654 in Bore | 3.9370 in OD | 0.8268 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 | 2.4 kg CO 2 e | — |
| Technical Data | ||
| Overall Width | — | 0.000 mm |
| Radial Rating | — | 60,200 N |
| Axial Rating | — | 0 N |
| Dynamic Rating C1 | — | 54,300 N |
| Dynamic Rating C90 | — | 0 N |
| Dynamic Axial Rating Ca90 | — | 0 N |
| Dynamic Axial Rating Ca1 | — | 0 N |
| Static Radial Rating C0 | — | 40,900 N |
| Extended Dynamic Rating Ce | — | 60,200 N |
| Static Axial Rating C0A | — | 0 N |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.