2221 AST Precision A1 105x190x50mm Self aligning ball bearings
| Bearing number | 2221 |
| Size (mm) | 105x190x50 |
| Brand | AST |
| Bore Diameter (mm) | 105 |
| Outer Diameter (mm) | 190 |
| Width (mm) | 50 |
| Bearing Type – double row self-aligning | double row selfaligning |
| Bore Dia (d) | 105.0000 |
| Outer Dia (D) | 190.0000 |
| Width (B) | 50.0000 |
| Radius (min) (rs) | 2.100 |
| Dynamic Load Rating (Cr) | 109.000 |
| Static Load Rating (Cor) | 45.000 |
| Max Speed (Grease) (X1000 RPM) | 3.000 |
| Max Speed (Oil) (X1000 RPM) | 3.600 |
| Max. Shaft Shoulder Dia. Inner (Li) | 116.0 |
| Min. Housing Shoulder Dia., Outer (Lo) | 179.0 |
| Weight (g) | 5.640.00 |
| Precision | A1 |
| Standard Clearance | C0 |
| Material | 52100 Chrome steel (or equivalent) |
Detailed Parameters
parameter：
| E-4R10201 Cylindrical roller bearings | Size :510x670x320mm ，Outer Diameter :670mm ，Brand:NTN ，Bore Diameter :510mm |
| HC ST4870LFT Tapered roller bearings | Brand:KOYO ，Outer Diameter :70mm ，Size :48x70x19mm ，Width :19mm ，Bore Diameter :48mm |
| A2047/A2126 Tapered roller bearings | Bore Diameter :11.986mm ，Size :11.986x31.991x10.008mm ，d:11.986 mm ，Outer Diameter :31.991mm ，Width :10.008mm ，Brand:KOYO |
| K16X22X12BE Needle roller bearings | Outer Diameter :22mm ，Bore Diameter :16mm ，Fw:16 mm ，Brand:Timken |
| K18x25x22 Needle roller bearings | Brand:SKF ，Bore Diameter :18mm ，Outer Diameter :25mm ，Fw:18 mm |
| 7602065-TVP Thrust ball bearings | Width :23mm ，Size :65x120x23mm ，Bore Diameter :65mm ，d:65 mm ，Brand:FAG ，Outer Diameter :120mm |
| 23264W33 Spherical roller bearings | d:320 mm ，Bore Diameter :320mm ，Width :208mm ，Brand:ISO ，Size :320x580x208mm ，Outer Diameter :580mm |
| SIJK28C Plain bearings | d2:66 mm ，d:28 mm ，Bore Diameter :28mm ，B:35 mm ，Brand:LS |
| UCHA204-12 Bearing units | A:40 mm ，Width :31mm ，B:31 mm ，Brand:KOYO ，Bore Diameter :19.05mm ，d:19.05 mm |
| 6220ZZ Deep groove ball bearings | Bore Diameter :100mm ，Size :100x180x34mm ，Outer Diameter :180mm ，Brand:NTN |
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