1309SK NTN (Oil) Lubrication Speed 7 500 r/min 45x100x25mm Self aligning ball bearings
| rs min | 1.5 mm |
| Associated sleeve reference | H309X |
| e | 0.25 |
| Y1 | 2.6 |
| Y2 | 4 |
| Y0 | 2.7 |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0.96 kg |
| Dynamic load, C | 38.5 kN |
| Static load, C0 | 12.7 kN |
| Nlim (oil) | 7.500 rpm |
| Nlim (grease) | 6.000 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| da min | 53 mm |
| da max | 61 mm |
| db min | 49 mm |
| Ce min | 5 mm |
| Da max | 92 mm |
| ra max | 1.5 mm |
| Bearing number | 1309SK |
| 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 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 (Y1) | 2.6 |
Detailed Parameters
parameter：
| 6316EE Deep groove ball bearings | rs min:2.1 mm ，Radial clearance class:CN ，D1:149.7 mm ，d1:100.3 mm |
| HJ-445616 Needle roller bearings | Bore Diameter :69.85mm ，Outer Diameter :88.9mm ，Width :25.4mm ，Brand:KOYO ，Size :69.85x88.9x25.4mm |
| NK50/35 Needle roller bearings | Outer Diameter :62mm ，Bore Diameter :50mm ，Size :50x62x35mm ，Width :35mm ，Brand:CX ，Fw:50 mm |
| NF2328 Cylindrical roller bearings | d:140 mm ，Width :102mm ，Brand:ISO ，Size :140x300x102mm ，Outer Diameter :300mm ，Bore Diameter :140mm |
| KBC042 Deep groove ball bearings | Outer Diameter :123.825mm ，Brand:KOYO ，Bore Diameter :107.95mm ，Size :107.95x123.825x7.938mm |
| GE300-AW Plain bearings | Size :300x480x100mm ，Bore Diameter :300mm ，Width :100mm ，Brand:INA ，Outer Diameter :480mm |
| 7064 B Angular contact ball bearings | Size :320x480x74mm ，Bore Diameter :320mm ，Outer Diameter :480mm ，Brand:ISO ，Width :74mm |
| 32211 Tapered roller bearings | Size :55x100x25.75mm ，Width :25.75mm ，Outer Diameter :100mm ，Bore Diameter :55mm ，Brand:FBJ |
| NA4905-2RS Needle roller bearings | Outer Diameter :42mm ，Size :25x42x18mm ，Bore Diameter :25mm ，Brand:CX ，Width :18mm |
| AST650 202810 Plain bearings | Bearing Type:straight ，Bore Diameter :20mm ，Brand:AST ，Shaft Dia., Nominal (d):20.0000 ，Outer Diameter :28mm |
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