W604-2Z SKF 4x12x4mm Limiting speed 63000 r/min Deep groove ball bearings
| Bearing number | W604-2Z |
| Size (mm) | 4x12x4 |
| Brand | SKF |
| Bore Diameter (mm) | 4 |
| Outer Diameter (mm) | 12 |
| Width (mm) | 4 |
| d | 4 mm |
| D | 12 mm |
| B | 4 mm |
| C | 4 mm |
| d1 | – mm |
| d2 | 5.6 mm |
| r1 min. | 5.3 mm |
| r2 min. | 5.3 mm |
| D1 | 9.9 mm |
| D2 | 0.2 mm |
| da min. | 5.5 mm |
| Da max. | 10.4 mm |
| ra max. | 0.2 mm |
| Weight | 0.0022 Kg |
| Basic dynamic load rating (C) | 0.54 kN |
| Basic static load rating (C0) | 0.176 kN |
| Fatigue load limit (Pu) | 0.008 |
| Reference speed | 130000 r/min |
| Limiting speed | 63000 r/min |
| Calculation factor (f0) | 6.4 |
Detailed Parameters
parameter：
| NF211 Cylindrical roller bearings | Brand:KOYO ，Bore Diameter :55mm ，Size :55x100x21mm ，Outer Diameter :100mm |
| 27680/27620 Tapered roller bearings | Width :25.4mm ，Outer Diameter :125.412mm ，Bore Diameter :73.025mm ，Size :73.025x125.412x25.4mm ，Brand:Fersa ，d:73.025 mm |
| 22324 CCJA/W33VA406 Spherical roller bearings | Size :260x120x86mm ，Outer Diameter :120mm ，Brand:SKF ，Bore Diameter :260mm ，Width :86mm ，d:120 mm |
| BK1518 Cylindrical roller bearings | Brand:ISO ，Size :15x21x18mm ，Outer Diameter :21mm ，Bore Diameter :15mm |
| 23244MBW33 Spherical roller bearings | Bearing Type:straight bore. lube groove and holes ，Size :220x400x144mm ，Bore Diameter :220mm ，Outer Diameter :400mm ，Width :144mm ，Brand:AST |
| 23024-E1A-M Spherical roller bearings | Brand:FAG ，Outer Diameter :180mm ，Bore Diameter :120mm ，Width :46mm ，Size :120x180x46mm |
| YRTS 460 Thrust roller bearings | H2:70 mm ，D1:560 mm ，H1:46 mm ，C:22 mm ，Brand:ISB ，Width :46mm |
| N348 E Cylindrical roller bearings | Bore Diameter :240mm ，Outer Diameter :500mm ，Width :95mm ，Brand:CX ，d:240 mm ，Size :240x500x95mm |
| NUP1880 Cylindrical roller bearings | d:400 mm ，Size :400x500x46mm ，Outer Diameter :500mm ，Bore Diameter :400mm ，Brand:ISO ，Width :46mm |
| QJ 312 MA Angular contact ball bearings | d:60 mm ，Size :130x60x31mm ，Brand:SKF ，Width :31mm ，Bore Diameter :130mm ，Outer Diameter :60mm |
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