WBC6-12Z NTN ra max. 0.15 mm 6x12x4mm Deep groove ball bearings
| Bearing number | WBC6-12Z |
| Size (mm) | 6x12x4 |
| Brand | NTN |
| Bore Diameter (mm) | 6 |
| Outer Diameter (mm) | 12 |
| Width (mm) | 4 |
| d | 6 mm |
| D | 12 mm |
| B | 4 mm |
| C | 4 mm |
| r min. | 0.15 mm |
| da min. | 7.2 mm |
| da max | 7.9 mm |
| Da max. | 10.8 mm |
| ra max. | 0.15 mm |
| Weight | 1.4 Kg |
| Basic dynamic load rating (C) | 0.83 kN |
| Basic static load rating (C0) | 0.365 kN |
| (Grease) Lubrication Speed | 40 000 r/min |
| (Oil) Lubrication Speed | 47 000 r/min |
Detailed Parameters
parameter：
| AST800 1210 Plain bearings | Bore Diameter :12mm ，Shaft Size (ds) - 12 +0 / -0 .027:12 +0 / 0 .027 ，Bearing Type:steel with bronze ，Shaft Dia., Nominal (d):12.0000 ，Brand:AST ，Outer Diameter :14mm |
| K.81118LPB Thrust roller bearings | Size :90x120x9mm ，Brand:Timken ，Bore Diameter :90mm ，Outer Diameter :120mm |
| NAPK204 Bearing units | d:20 mm ，H:31.8 mm ，Brand:KOYO ，Bore Diameter :20mm |
| G1111KLL Deep groove ball bearings | Brand:Timken ，Bore Diameter :42.8625mm ，Size :42.8625x85x42.86mm ，Width :42.86mm ，Outer Diameter :85mm |
| 1205S Self aligning ball bearings | e:0.28 ，Y2:3.5 ，Y1:2.3 ，Y0:2.4 ，rs min:1 mm |
| AU0811-6LXL/L588 Angular contact ball bearings | Width :40mm ，Bore Diameter :38mm ，Brand:NTN ，Size :38x73x40mm ，Outer Diameter :73mm |
| 30209A Tapered roller bearings | Outer Diameter :85mm ，Bore Diameter :45mm ，Size :45x85x20.75mm ，d:45 mm ，Width :20.75mm ，Brand:ZVL |
| AY25-NPP-B Deep groove ball bearings | BDI Inventory:1.0 ，Minimum Buy Quantity:N/A ，Manufacturer Name:SCHAEFFLER GROUP ，Category:Insert Bearings Spherical OD |
| NF 1017 Cylindrical roller bearings | Bore Diameter :85mm ，d:85 mm ，Brand:NACHI ，Outer Diameter :118.5mm |
| NK29/30 Needle roller bearings | Brand:Timken ，Bore Diameter :29mm ，Size :29x38x30mm ，Outer Diameter :38mm |
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