21309C NTN Minimum Buy Quantity N/A 45x100x25mm Spherical roller bearings
| Bearing number | 21309C |
| Size (mm) | 45x100x25 |
| Brand | NTN |
| Bore Diameter (mm) | 45 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 25 |
| d | 45 mm |
| D | 100 mm |
| B | 25 mm |
| C | 25 mm |
| r min. | 1.5 mm |
| da min. | 53.5 mm |
| Da max. | 91.5 mm |
| ra max. | 1.5 mm |
| Weight | 0.927 Kg |
| Basic dynamic load rating (C) | 102 kN |
| Basic static load rating (C0) | 106 kN |
| (Grease) Lubrication Speed | 4 400 r/min |
| (Oil) Lubrication Speed | 5 700 r/min |
| Calculation factor (e) | 0.26 |
| Calculation factor (Y0) | 2.54 |
| Calculation factor (Y1) | 2.6 |
| Category | Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | NTN |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0 |
| EAN | 4547359260137 |
| Product Group – BDI | B04311 |
Detailed Parameters
parameter：
| F16037 Angular contact ball bearings | Brand:Fersa ，Outer Diameter :74mm ，Size :39x74x39mm ，Width :39mm ，Bore Diameter :39mm |
| 580/572X Tapered roller bearings | Outer Diameter :139.7mm ，Size :82.55x139.7x36.512mm ，Width :36.512mm ，Brand:Fersa ，Bore Diameter :82.55mm |
| 51102 Thrust ball bearings | d:15 mm ，Brand:ISO ，Outer Diameter :28mm ，d1:16 mm ，Bore Diameter :15mm |
| 4T-3780/3732 Tapered roller bearings | Mass:0.99 kg ，e:0.34 ，d1:71.5 mm ，Y2:1.77 ，Y0:0.97 |
| ASTB90 F7540 Plain bearings | Brand:AST ，Bore Diameter :75mm ，Shaft Dia., Nominal (d):75.0000 ，Outer Diameter :80mm ，Bearing Type:flanged |
| 32011AX Tapered roller bearings | Outer Diameter :90mm ，Size :55x90x23mm ，d:55 mm ，Brand:ZVL ，Width :23mm ，Bore Diameter :55mm |
| 625924 Tapered roller bearings | Outer Diameter :170mm ，Size :120x170x124mm ，Brand:NTN ，Bore Diameter :120mm |
| NK45/30 Needle roller bearings | Size :45x55x30mm ，Outer Diameter :55mm ，Width :30mm ，Brand:FBJ ，Bore Diameter :45mm |
| BK283814 Cylindrical roller bearings | Brand:ISO ，Bore Diameter :28mm ，Outer Diameter :38mm ，Size :28x38x14mm |
| CX341 Wheel bearings | Brand:CX ，Designation SKF:VKBA 3297 ，Designation Ruville:7907 ，Designation FAG:713616110 |
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