W630/2.5-2Z SKF 2.5x8x4mm r1 min. 3.7 mm Deep groove ball bearings
| Bearing number | W630/2.5-2Z |
| Size (mm) | 2.5x8x4 |
| Brand | SKF |
| Bore Diameter (mm) | 2.5 |
| Outer Diameter (mm) | 8 |
| Width (mm) | 4 |
| d | 2.5 mm |
| D | 8 mm |
| B | 4 mm |
| C | 4 mm |
| d1 | 4.1 mm |
| d2 | – mm |
| r1 min. | 3.7 mm |
| r2 min. | 3.7 mm |
| D1 | 7.1 mm |
| D2 | 0.15 mm |
| da min. | 4 mm |
| Da max. | 7.2 mm |
| ra max. | 0.15 mm |
| Weight | 0.00085 Kg |
| Basic dynamic load rating (C) | 0.312 kN |
| Basic static load rating (C0) | 0.088 kN |
| Fatigue load limit (Pu) | 0.004 |
| Reference speed | 160000 r/min |
| Limiting speed | 80000 r/min |
| Calculation factor (f0) | 5.9 |
Detailed Parameters
parameter：
| GAC170S Plain bearings | Brand:LS ，Outer Diameter :260mm ，Bore Diameter :170mm ，Width :57mm ，Size :170x260x57mm |
| 4T-H212749/H212710 Tapered roller bearings | r1s min:3.56 mm ，Y2:1.8 ，e:0.33 ，rs min:7.14 mm ，a:29.7 mm |
| GEEM 45 ES 2RS Plain bearings | Outer Diameter :68mm ，Size :45x68x40mm ，Width :40mm ，Bore Diameter :45mm ，d:45 mm ，Brand:ISB |
| LJT 2 Angular contact ball bearings | Width :20.64mm ，Brand:SIGMA ，Bore Diameter :50.8mm ，Outer Diameter :101.6mm ，Size :50.8x101.6x20.64mm ，d:50.8 mm |
| 22326 EKW33+H2326 Spherical roller bearings | Outer Diameter :280mm ，Size :115x280x93mm ，Brand:ISB ，Bore Diameter :115mm |
| SQL 14 C RS Plain bearings | L2:8 mm ，d:14 mm ，Brand:ISB ，S1:17 mm |
| NK 40/20 Needle roller bearings | Bore Diameter :40mm ，Brand:NBS ，Outer Diameter :50mm ，Size :40x50x20mm ，Width :20mm |
| NA 2203.2RS Cylindrical roller bearings | Bore Diameter :17mm ，Size :17x40x15.8mm ，Outer Diameter :40mm ，Brand:SKF |
| SQZL18-RS Plain bearings | Brand:LS ，S1:20 mm ，L3:32 mm ，d2:23 mm ，L2:10 mm |
| LM25OP Linear bearings | Width :41mm ，Bore Diameter :25mm ，Size :25x40x41mm ，Brand:Samick ，Outer Diameter :40mm |
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