WBB1-8714 SKF 25x20x4mm Da max. 24.5 mm Deep groove ball bearings
| Bearing number | WBB1-8714 |
| Size (mm) | 25x20x4 |
| Brand | SKF |
| Bore Diameter (mm) | 25 |
| Outer Diameter (mm) | 20 |
| Width (mm) | 4 |
| d | 20 mm |
| D | 25 mm |
| B | 4 mm |
| d1 | 21.35 mm |
| D2 | 24 mm |
| r1,2 – min. | 0.15 mm |
| da – min. | 21 mm |
| Da – max. | 24.5 mm |
| ra – max. | 0.15 mm |
| Basic dynamic load rating – C | 0.572 kN |
| Basic static load rating – C0 | 0.365 kN |
| Fatigue load limit – Pu | 0.016 kN |
| Reference speed | 53000 r/min |
| Limiting speed | 34000 r/min |
| Calculation factor – kr | 0.015 |
| Calculation factor – f0 | 8.6 |
| d1 ≈ | 21.35 mm |
| D2 ≈ | 24 mm |
| r1,2 min. | 0.15 mm |
| da min. | 21 mm |
| Da max. | 24.5 mm |
| ra max. | 0.15 mm |
| Basic dynamic load rating C | 0.572 kN |
| Basic static load rating C0 | 0.365 kN |
| Fatigue load limit Pu | 0.016 kN |
| Calculation factor kr | 0.015 |
| Calculation factor f0 | 8.6 |
| Mass bearing | 0.0029 kg |
Detailed Parameters
parameter：
| FR 168 BZZ Deep groove ball bearings | Width :3.175mm ，Size :6.35x10.719x3.175mm ，Brand:NSK ，d:6.35 mm ，Outer Diameter :10.719mm ，Bore Diameter :6.35mm |
| R900-1 Cylindrical roller bearings | Width :110mm ，Size :900x1120x110mm ，Brand:NSK ，Outer Diameter :1120mm ，Bore Diameter :900mm |
| NU209 Cylindrical roller bearings | Bore Diameter :45mm ，Outer Diameter :85mm ，Brand:CRAFT ，Size :45x85x19mm |
| NJ1019 Cylindrical roller bearings | Size :95x145x24mm ，Bore Diameter :95mm ，Brand:CX ，Outer Diameter :145mm |
| K58x65x36ZW Needle roller bearings | Brand:SKF ，Fw:58 mm ，Outer Diameter :65mm ，U:36 mm ，Bore Diameter :58mm ，Ew:65 mm |
| 3NC624ST4 Deep groove ball bearings | Outer Diameter :13mm ，Bore Diameter :4mm ，Brand:KOYO ，Size :4x13x5mm |
| FR6ZZ Deep groove ball bearings | Width :7.142mm ，Outer Diameter :22.225mm ，Bore Diameter :9.525mm ，Brand:FBJ ，Size :9.525x22.225x7.142mm |
| RS-5014NR Cylindrical roller bearings | Bore Diameter :70mm ，Size :70x110x54mm ，d:70 mm ，Outer Diameter :110mm ，Width :54mm ，Brand:NSK |
| AST850BM 15080 Plain bearings | Bore Diameter :150mm ，Bearing Type:metal with bronze ，Shaft Dia., Nominal (d):150.0000 ，Brand:AST ，Outer Diameter :155mm |
| 6232-ZZ Deep groove ball bearings | Outer Diameter :290mm ，Size :160x290x48mm ，Brand:CYSD ，Bore Diameter :160mm |
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