WBC2,5-7ZA NTN (Grease) Lubrication Speed 59 000 r/min 2.5x7x3mm Deep groove ball bearings
| Bearing number | WBC2.5-7ZA |
| Size (mm) | 2.5x7x3 |
| Brand | NTN |
| Bore Diameter (mm) | 2.5 |
| Outer Diameter (mm) | 7 |
| Width (mm) | 3 |
| d | 2.5 mm |
| D | 7 mm |
| B | 3 mm |
| C | 3 mm |
| r min. | 0.15 mm |
| da min. | 3.7 mm |
| da max | 4 mm |
| Da max. | 5.8 mm |
| ra max. | 0.15 mm |
| Weight | 0.673) Kg |
| Basic dynamic load rating (C) | 0.284 kN |
| Basic static load rating (C0) | 0.096 kN |
| (Grease) Lubrication Speed | 59 000 r/min |
| (Oil) Lubrication Speed | 70 000 r/min |
Detailed Parameters
parameter：
| GAC 50 CP Plain bearings | Outer Diameter :80mm ，Size :50x80x20mm ，Brand:ISB ，d:50 mm ，Width :20mm ，Bore Diameter :50mm |
| 23060RHAK Spherical roller bearings | Brand:KOYO ，Width :118mm ，Size :300x460x118mm ，Outer Diameter :460mm ，Bore Diameter :300mm |
| K25×31×14 Needle roller bearings | Bore Diameter :25mm ，Brand:NTN ，Fw:25 mm ，Ew:31 mm ，Outer Diameter :31mm |
| 20BGR10S Angular contact ball bearings | Size :20x42x12mm ，Width :12mm ，Bore Diameter :20mm ，Brand:NSK ，d:20 mm ，Outer Diameter :42mm |
| 5S-7906ADLLBG/GNP42 Angular contact ball bearings | Brand:NTN ，d:30 mm ，Outer Diameter :47mm ，Width :9mm ，Size :30x47x9mm ，Bore Diameter :30mm |
| NJ2210 EM Cylindrical roller bearings | Brand:AST ，Bore Diameter :50mm ，Size :50x90x23mm ，Outer Diameter :90mm ，Width :23mm |
| CRD-6415 Tapered roller bearings | Bore Diameter :320mm ，Size :320x580x240mm ，Brand:NTN ，Outer Diameter :580mm |
| 7224B Angular contact ball bearings | Outer Diameter :215mm ，Size :120x215x40mm ，Bore Diameter :120mm ，Brand:CYSD |
| NA4860 Needle roller bearings | Bore Diameter :300mm ，Outer Diameter :380mm ，Brand:ISO ，Size :300x380x80mm |
| 6318LU Deep groove ball bearings | Width :43.000mm ，d:90.000 mm ，Size :90x190x43mm ，Brand:NTN ，Bore Diameter :90.000mm ，Outer Diameter :190.000mm |
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