 1309 NSK da 53 45x100x25mm  Self aligning ball bearings
  1309 NSK da 53 45x100x25mm  Self aligning ball bearings
                                

| Bearing number | 1309 | 
| Size (mm) | 45x100x25 | 
| Brand | NSK | 
| 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 mm | 
| Da max. | 92 mm | 
| ra max. | 1.5 mm | 
| Weight | 0.955 Kg | 
| Basic dynamic load rating (C) | 38.5 kN | 
| Basic static load rating (C0) | 12.7 kN | 
| (Grease) Lubrication Speed | 6 000 r/min | 
| (Oil) Lubrication Speed | 7 500 r/min | 
| Calculation factor (e) | 0.25 | 
| Calculation factor (Y0) | 2.7 | 
| Calculation factor (Y2) | 4 | 
| bore diameter: | 45 mm | 
| precision rating: | ABEC1. P0 | 
| outside diameter: | 100 mm | 
| maximum rpm: | 7500 rpm | 
| overall width: | 25 mm | 
| cage material: | Phenolic Cage | 
| bore type: | Straight | 
| finish/coating: | Uncoated | 
| closure type: | Open | 
| fillet radius: | 1.5 mm | 
| internal clearance: | C0 | 
| series: | 1300 | 
| dynamic load capacity: | 39500 N | 
| SRI | 6.67 | 
| Y3 | 2.6 | 
| hidYobi | 1309 | 
| LangID | 1 | 
| PCD | 73.2 | 
| D_ | 100 | 
| Y2 | 4 | 
| SREX | 0 | 
| cyl count | 15 | 
| B_ | 25 | 
| CAD | http://service.web2cad.co.jp/pcom/?Maker=NSK_RB&info=nsk_rb/roller_bearings/self_aliging_bb/cylindrical_bore_asmtab.prj&varset={STAN=-}.{ORDER=1309}.{SD=45}.{D=100}.{B=25}.{R=1.5}.{CR1=38500}.{COR1=12700}.{CR2=3900}.{COR2=1300}.{LG=6000}.{LO=7500}.{DA1=53.0}.{DA2=92.0}.{RA=1.5}.{E=0.25}.{Y2=4.0}.{Y3=2.60}.{Y0=2.70}.{MASS=0.955} | 
| hidTable | ecat_NSSAB | 
| Oil rpm | 7500 | 
| SRE | 0 | 
| Y0 | 2.7 | 
| mass | 0.955 | 
| ra | 1.5 | 
| GRS rpm | 6000 | 
| SRIX | 0.05 | 
| groove inner | 60.491 | 
| D_a | 92 | 
| SRIN | 0 | 
| C0 | 12.7 | 
| groove outer | 86.877 | 
| SREN | 0 | 
| X0 | 1 | 
| Prod_Type3 | SABB_SA_CB | 
| X1 | 1 | 
| da | 53 | 
| X2 | 0.65 | 
| e | 0.25 | 
| yobi | 1309 | 
| r | 1.5 | 
| KBRG | 1352 | 
| CAng | 9.31 | 
| cyl dia | 12.7 | 
| calcUrl | /BearingGuide/html/calculation.jsp | 
 Detailed  Parameters
  Detailed  Parameters
                                     parameter:
  parameter:
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