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| Parameter | SKF20840 × 80 × 18 mm | INA208-XL-NPP-B40 × 80 × 18 mm | TIMKEN208W40 × 80 × 18 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | INA | TIMKEN |
| Designation | 208 | 208-XL-NPP-B | 208W |
| Product family | Deep groove ball bearings | — | Radial Deep-Groove Ball |
| Detailed type | Deep groove ball bearing with filling slots | Self-aligning deep groove ball bearings | Deep groove ball bearings |
| Series | — | 208 | 200 |
| Bore diameterd | 40 mm | 40 mm | 40 mm |
| Outside diameterD | 80 mm | 80 mm | 80 mm |
| WidthB | 18 mm | 18 mm | 18 mm |
| Basic dynamic load ratingC | 33.6 kN | 34.5 kN | 41.7 kN |
| Basic static load ratingC0 | 27 kN | 19.8 kN | 28.7 kN |
| Fatigue load limitPu | 1.16 kN | — | — |
| Reference speednref | 15000 r/min | — | — |
| Limiting speednG | 9500 r/min | — | — |
| Mass≈m | 0.393 kg | 0.32 kg | 0.41 kg |
| Internal clearance | CN | — | — |
| Sealing | Without | — | Open |
| Cage | Sheet metal | — | Steel cage |
| Bearing material | Bearing steel | — | — |
| Lubricant | None | — | — |
| Minimum operating temperatureTmin | — | -20 °C | — |
| Maximum operating temperatureTmax | — | 100 °C | — |
| Calculation Factors | |||
| K Factor | — | — | 0.00 |
| Y1 Factor | — | — | 0.00 |
| Y2 Factor | — | — | 0.00 |
| Y0 Factor | — | — | 0.50 |
| E Factor | — | — | 0.00 |
| Cg Factor | — | — | 0.0403 |
| Engineering — Abutment dimensions | |||
| Diameter of shaft abutmentd a | min. 47 mm | — | — |
| Diameter of housing abutmentD a | max. 73 mm | — | — |
| Radius of shaft or housing filletr a | max. 1 mm | — | — |
| Engineering — Calculation data | |||
| Minimum load factork r | 0.04 | — | — |
| Engineering — Dimensions | |||
| Shoulder diameterd 1 | ≈ 52.6 mm | — | — |
| Recess diameterD 2 | ≈ 69.8 mm | — | — |
| Chamfer dimensionr 1,2 | min. 1.1 mm | — | — |
| Logistics | |||
| Product net weight | 0.393 kg | — | — |
| eClass code | 23-05-08-01 | — | — |
| UNSPSC code | 31171504 | — | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 357180 | — |
| Material Number | — | — | 000000000100022889 |
| Base Type | — | 208 | — |
| World Assembly Part Number | — | — | 208WC2 |
| Old Designation | — | ["208-NPP-B"] | — |
| Upc | — | — | 0087796041400 |
| Gpsd Group | — | I04 | — |
| Product Line Id | — | 72 | — |
| X Life Marking | — | XL | — |
| 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 | — | Self-aligning deep groove ball bearings 2..-NPP-B, spherical outer ring, inner ring for fit, R seals on both sides | Single Row Deep Groove Ball Bearing | Imperial Series | 1.5748 in Bore | 3.1496 in OD | 0.7087 in Width | Open | Cylindrical Bore | Steel Cage | C0 Clearance | ISO P0 Tolerance |
| Number Of Rows | 1 | — | 1 |
| Tapered Bore | — | — | N |
| Short Description | — | Self-aligning deep groove ball bearings | — |
| 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 | 1.5 kg CO 2 e | — | — |
| Technical Data | |||
| Overall Width | — | — | 0.000 mm |
| Radial Rating | — | — | 46,200 N |
| Axial Rating | — | — | 0 N |
| Bore Diameter (D) | — | 40 mm | — |
| Dynamic Rating C1 | — | — | 41,700 N |
| Outside Diameter (Dsp) | — | 80 mm | — |
| Dynamic Rating C90 | — | — | 0 N |
| Width, Inner Ring (B) | — | 18 mm | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N |
| Basic Dynamic Load Rating, Radial (Cr) | — | 34,500 N | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N |
| Basic Static Load Rating, Radial (C0R) | — | 19,800 N | — |
| Static Radial Rating C0 | — | — | 28,700 N |
| Operating Temperature Min. (Tmin) | — | -20 °C | — |
| Extended Dynamic Rating Ce | — | — | 46,200 N |
| Operating Temperature Max. (Tmax) | — | 100 °C | — |
| Static Axial Rating C0A | — | — | 0 N |
| Calculation Factor (F0) | — | 13.6 | — |
| Rib Diameter Sealing Inner Ring (D2) | — | 48.4 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 1.1 mm | — |
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.