21309MB AST Max Speed (Grease) (X1000 RPM) 4 45x100x25mm Spherical roller bearings
| Bearing number | 21309MB |
| Size (mm) | 45x100x25 |
| Brand | AST |
| Bore Diameter (mm) | 45 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 25 |
| Bearing Type | straight bore |
| Bore Dia (d) | 45.0000 |
| Outer Dia (D) | 100.0000 |
| Width (B) | 25.0000 |
| Radius (min) (rs) | 1.500 |
| Dynamic Load Rating (Cr) | 105.000 |
| Static Load Rating (Cor) | 107.000 |
| Max Speed (Grease) (X1000 RPM) | 4 |
| Max Speed (Oil) (X1000 RPM) | 5 |
| Weight (g) | 770.00 |
| Material | 52100 Chrome steel. or equivalent |
Detailed Parameters
parameter：
| GX 180 CP Plain bearings | Outer Diameter :300mm ，Size :180x300x74mm ，Brand:ISB ，Bore Diameter :180mm ，Width :74mm |
| 7020C Angular contact ball bearings | Bore Diameter :100mm ，Brand:NACHI ，Outer Diameter :150mm ，Size :100x150x24mm |
| TA 2220 Z Needle roller bearings | Brand:IKO ，Size :22x29x20mm ，Outer Diameter :29mm ，Width :20mm ，Bore Diameter :22mm |
| 4T-359S/354X Tapered roller bearings | a:15.54 mm ，e:0.31 ，Y0:1.08 ，d1:63 mm ，Y2:1.96 |
| K6X9X10 Needle roller bearings | Fw:6.000 mm ，Bore Diameter :6.000mm ，Brand:NTN ，Outer Diameter :9.000mm |
| MFJ-79 Needle roller bearings | Fw:7 mm ，Outer Diameter :11mm ，Width :9mm ，Bore Diameter :7mm ，Brand:NSK ，Size :7x11x9mm |
| 51292 Thrust ball bearings | Bore Diameter :460.000mm ，Brand:NTN ，Outer Diameter :620.000mm ，Size :460x620x130mm ，Width :130.000mm |
| 598/JM719113 Tapered roller bearings | Brand:Timken ，Bore Diameter :92.075mm ，Size :92.075x150x35.966mm ，Outer Diameter :150mm |
| UCS204LD1N Deep groove ball bearings | Bore Diameter :20.000mm ，Width :31mm ，Size :20x47x31mm ，Outer Diameter :47.000mm ，Brand:NTN |
| RC4848 Cylindrical roller bearings | Size :240x300x60mm ，Bore Diameter :240mm ，Outer Diameter :300mm ，Brand:NACHI |
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