SKF
SKF S7203 ACD/HCP4A Angular Contact Ball Bearing
Product Code:S7203 ACD/HCP4A
Description
Technical specification MetricImperial DIMENSIONS d 17 mmD 40 mmB 12 mmd1 24.1 mmd2 24.1 mmD2 34.4 mmr1,2min. 0.6 mmr3,4min. 0.3 mma 12.8 mm ABUTMENT DIMENSIONS damin. 21.2 mmdamax. 23.5 mmdbmin. 21.2 mmdbmax. 23.5 mmDamax. 35.8 mmDbmax. 37.6 mmramax. 0.6 mmrbmax. 0.3 mm CALCULATION DATA Basic dynamic load ratingC 8.84 kNBasic static load ratingC0 4 kNFatigue load limitPu 0.125 kNAttainable speed for grease lubrication 45000 r/minContact angle? 25 °Ball diameterDw 7.144 mmNumber of ballsz 10PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)Preload class AGA 60 NStatic axial stiffness, preload class A 59 N/µmPreload class BGB 120 NStatic axial stiffness, preload class B 76 N/µmPreload class CGC 240 NStatic axial stiffness, preload class C 99 N/µmPreload class DGD 480 NStatic axial stiffness, preload class D 131 N/µmCALCULATION FACTORSCalculation factorf 1.03Calculation factorf1 0.99Calculation factorf2A 1Calculation factorf2B 1.01Calculation factorf2C 1.03Calculation factorf2D 1.06Calculation factorfHC 1.01Calculation factore 0.68Calculation factor (single, tandem)Y2 0.87Calculation factor (single, tandem)Y0 0.38Calculation factor (single, tandem)X2 0.41Calculation factor (back-to-back, face-to-face)Y1 0.92Calculation factor (back-to-back, face-to-face)Y2 1.41Calculation factor (back-to-back, face-to-face)Y0 0.76Calculation factor (back-to-back, face-to-face)X2 0.67 MASS Mass bearing 0.056 kg
Technical Specifications
Technical specification 
DIMENSIONS
| d | 17 mm | |
|---|---|---|
| D | 40 mm | |
| B | 12 mm | |
| d1 | 24.1 mm | |
| d2 | 24.1 mm | |
| D2 | 34.4 mm | |
| r1,2 | min. 0.6 mm | |
| r3,4 | min. 0.3 mm | |
| a | 12.8 mm |
ABUTMENT DIMENSIONS
| da | min. 21.2 mm | |
|---|---|---|
| da | max. 23.5 mm | |
| db | min. 21.2 mm | |
| db | max. 23.5 mm | |
| Da | max. 35.8 mm | |
| Db | max. 37.6 mm | |
| ra | max. 0.6 mm | |
| rb | max. 0.3 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 8.84 kN |
|---|---|---|
| Basic static load rating | C0 | 4 kN |
| Fatigue load limit | Pu | 0.125 kN |
| Attainable speed for grease lubrication | 45000 r/min | |
| Contact angle | ? | 25 ° |
| Ball diameter | Dw | 7.144 mm |
| Number of balls | z | 10 |
| Preload class A | GA | 60 N |
|---|---|---|
| Static axial stiffness, preload class A | 59 N/µm | |
| Preload class B | GB | 120 N |
| Static axial stiffness, preload class B | 76 N/µm | |
| Preload class C | GC | 240 N |
| Static axial stiffness, preload class C | 99 N/µm | |
| Preload class D | GD | 480 N |
| Static axial stiffness, preload class D | 131 N/µm |
| Calculation factor | f | 1.03 |
|---|---|---|
| Calculation factor | f1 | 0.99 |
| Calculation factor | f2A | 1 |
| Calculation factor | f2B | 1.01 |
| Calculation factor | f2C | 1.03 |
| Calculation factor | f2D | 1.06 |
| Calculation factor | fHC | 1.01 |
| Calculation factor | e | 0.68 |
| Calculation factor (single, tandem) | Y2 | 0.87 |
| Calculation factor (single, tandem) | Y0 | 0.38 |
| Calculation factor (single, tandem) | X2 | 0.41 |
| Calculation factor (back-to-back, face-to-face) | Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) | Y2 | 1.41 |
| Calculation factor (back-to-back, face-to-face) | Y0 | 0.76 |
| Calculation factor (back-to-back, face-to-face) | X2 | 0.67 |
MASS
| Mass bearing | 0.056 kg |
|---|