1221 NACHI 105x190x36mm (Oil) Lubrication Speed 3500 r/min Self aligning ball bearings
| Bearing number | 1221 |
| Size (mm) | 105x190x36 |
| Brand | NACHI |
| Bore Diameter (mm) | 105 |
| Outer Diameter (mm) | 190 |
| Width (mm) | 36 |
| d | 105 mm |
| D | 190 mm |
| B | 36 mm |
| C | 36 mm |
| r1 min. | 2.1 mm |
| da min. | 117 mm |
| Da max. | 178 mm |
| ra max. | 2 mm |
| Weight | 4.37 Kg |
| Basic dynamic load rating (C) | 74.5 kN |
| Basic static load rating (C0) | 32.5 kN |
| (Grease) Lubrication Speed | 2900 r/min |
| (Oil) Lubrication Speed | 3500 r/min |
| Calculation factor (e) | 0.18 |
| Calculation factor (Y0) | 3.7 |
| Calculation factor (Y1) | 3.5 |
Detailed Parameters
parameter：
| 241/950-B-MB Spherical roller bearings | Bore Diameter :950mm ，Outer Diameter :1500mm ，Size :950x1500x545mm ，Brand:FAG ，Width :545mm |
| 32920 A Tapered roller bearings | Brand:CX ，Bore Diameter :100mm ，Outer Diameter :140mm ，Size :100x140x25mm |
| 3878/3820 Tapered roller bearings | Brand:Fersa ，Outer Diameter :85.725mm ，d:36.512 mm ，Size :36.512x85.725x30.162mm ，Width :30.162mm ，Bore Diameter :36.512mm |
| 32214CR Tapered roller bearings | Outer Diameter :125mm ，Brand:KOYO ，Bore Diameter :70mm ，Width :33.25mm ，d:70 mm ，Size :70x125x33.25mm |
| WBC5-11ZZ Deep groove ball bearings | Size :5x11x4mm ，Width :4mm ，Brand:NTN ，Bore Diameter :5mm ，Outer Diameter :11mm |
| PMEY35-N Bearing units | Brand:INA ，Bore Diameter :35mm ，d:35 mm ，Z:90 mm ，Thread (Q):M6 ，U:24.45 mm |
| KZK 14,4x20,4x10 Needle roller bearings | Bore Diameter :14.4mm ，Bc:10 mm ，Ew:20.4 mm ，Fw:14.4 mm ，Brand:NBS ，Outer Diameter :20.4mm |
| 6801 Deep groove ball bearings | rs min:0.3 mm ，Mass:0.006 kg ，Static load, C0:1.04 kN ，Radial clearance class:CN ，Dynamic load, C:1.92 kN |
| AST650 8096100 Plain bearings | Bore Diameter :80mm ，Brand:AST ，Outer Diameter :96mm ，Shaft Dia., Nominal (d):80.0000 ，Bearing Type:straight |
| 2317-K-M-C3 + H2317 Self aligning ball bearings | Width :60mm ，Brand:FAG ，Bore Diameter :75mm ，Size :75x180x60mm ，Outer Diameter :180mm |
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