WBB1-8714-2ZS SKF Calculation factor – f0 8.6 25x20x4mm Deep groove ball bearings
| Bearing number | WBB1-8714-2ZS |
| 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. | 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 | 26000 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. | 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 | 0.0034 kg |
Detailed Parameters
parameter：
| L521949/10 Tapered roller bearings | Brand:CX ，Size :107.95x146.05x21.433mm ，Bore Diameter :107.95mm ，Width :21.433mm ，Outer Diameter :146.05mm |
| 30316 Tapered roller bearings | Outer Diameter :170mm ，Brand:Timken ，Size :80x170x42.5mm ，Bore Diameter :80mm |
| 385/384ED+X4S-385 Tapered roller bearings | Bore Diameter :55mm ，Outer Diameter :100mm ，Brand:Timken ，Size :55x100x49.2mm |
| N1015RXHZTP Cylindrical roller bearings | Bore Diameter :75mm ，Outer Diameter :105mm ，Size :75x105x20mm ，Brand:NSK |
| 67791/67720 Tapered roller bearings | Bore Diameter :177.8mm ，d:177.8 mm ，Brand:Timken ，Width :47.625mm ，Outer Diameter :247.65mm ，Size :177.8x247.65x47.625mm |
| N1015RXHZTPKR Cylindrical roller bearings | Brand:NSK ，Outer Diameter :105mm ，Size :75x105x20mm ，Bore Diameter :75mm ，Width :20mm |
| NUP1022 Cylindrical roller bearings | d:110 mm ，Outer Diameter :170mm ，Width :28mm ，Size :110x170x28mm ，Bore Diameter :110mm ，Brand:KOYO |
| 2304 K Self aligning ball bearings | Size :20x52x21mm ，Brand:NSK ，Bore Diameter :20mm ，Width :21mm ，Outer Diameter :52mm |
| ASTEPB 1517-12 Plain bearings | Brand:AST ，Bearing Type:straight ，Outer Diameter :17mm ，Bore Diameter :15mm |
| SE 628 ZZSTPR Deep groove ball bearings | Bore Diameter :8mm ，Width :8mm ，Size :8x24x8mm ，d:8 mm ，Brand:KOYO ，Outer Diameter :24mm |
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