SKF
SKF 7214 CD/P4A Angular Contact Ball Bearing
Product Code:7214 CD/P4A
Description
Technical specification
MetricImperial DIMENSIONS d 70 mmD 125 mmB 24 mmd1 87.9 mmd2 87.9 mmD1 107.1 mmr1,2min. 1.5 mmr3,4min. 0.6 mma 25.1 mm ABUTMENT DIMENSIONS damin. 79 mmdbmin. 79 mmDamax. 116 mmDbmax. 120.8 mmramax. 1.5 mmrbmax. 0.6 mmdn 91.6 mm CALCULATION DATA Basic dynamic load ratingC 68.9 kNBasic static load ratingC0 58.5 kNFatigue load limitPu 2.45 kNAttainable speed for grease lubrication 11000 r/minAttainable speed for oil-air lubrication 18000 r/minContact angle? 15 °Ball diameterDw 15.875 mmNumber of ballsz 16Reference grease quantityGref 13.701 cm³PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)Preload class AGA 260 NStatic axial stiffness, preload class A 83 N/µmPreload class BGB 520 NStatic axial stiffness, preload class B 112 N/µmPreload class CGC 1040 NStatic axial stiffness, preload class C 156 N/µmPreload class DGD 2080 NStatic axial stiffness, preload class D 225 N/µmCALCULATION FACTORSCalculation factorf 1.08Calculation factorf1 1Calculation factorf2A 1Calculation factorf2B 1.01Calculation factorf2C 1.03Calculation factorf2D 1.05Calculation factorfHC 1Calculation factorf0 14.8 MASS Mass bearing 1.11 kgTechnical Specifications
Technical specification
DIMENSIONS
| d | 70 mm | |
|---|---|---|
| D | 125 mm | |
| B | 24 mm | |
| d1 | 87.9 mm | |
| d2 | 87.9 mm | |
| D1 | 107.1 mm | |
| r1,2 | min. 1.5 mm | |
| r3,4 | min. 0.6 mm | |
| a | 25.1 mm |
ABUTMENT DIMENSIONS
| da | min. 79 mm | |
|---|---|---|
| db | min. 79 mm | |
| Da | max. 116 mm | |
| Db | max. 120.8 mm | |
| ra | max. 1.5 mm | |
| rb | max. 0.6 mm | |
| dn | 91.6 mm |
CALCULATION DATA
| Basic dynamic load rating | C | 68.9 kN |
|---|---|---|
| Basic static load rating | C0 | 58.5 kN |
| Fatigue load limit | Pu | 2.45 kN |
| Attainable speed for grease lubrication | 11000 r/min | |
| Attainable speed for oil-air lubrication | 18000 r/min | |
| Contact angle | ? | 15 ° |
| Ball diameter | Dw | 15.875 mm |
| Number of balls | z | 16 |
| Reference grease quantity | Gref | 13.701 cm³ |
| Preload class A | GA | 260 N |
|---|---|---|
| Static axial stiffness, preload class A | 83 N/µm | |
| Preload class B | GB | 520 N |
| Static axial stiffness, preload class B | 112 N/µm | |
| Preload class C | GC | 1040 N |
| Static axial stiffness, preload class C | 156 N/µm | |
| Preload class D | GD | 2080 N |
| Static axial stiffness, preload class D | 225 N/µm |
| Calculation factor | f | 1.08 |
|---|---|---|
| Calculation factor | f1 | 1 |
| Calculation factor | f2A | 1 |
| Calculation factor | f2B | 1.01 |
| Calculation factor | f2C | 1.03 |
| Calculation factor | f2D | 1.05 |
| Calculation factor | fHC | 1 |
| Calculation factor | f0 | 14.8 |
MASS
| Mass bearing | 1.11 kg |
|---|