11306 KOYO Calculation factor (e) 0.26 30x72x52mm Self aligning ball bearings
| Bearing number | 11306 |
| Size (mm) | 30x72x52 |
| Brand | KOYO |
| Bore Diameter (mm) | 30 |
| Outer Diameter (mm) | 72 |
| Width (mm) | 52 |
| d | 30 mm |
| D | 72 mm |
| B | 52 mm |
| C | 19 mm |
| r min. | 1.1 mm |
| F | 45 mm |
| Da max. | 65.5 mm |
| ra max. | 1 mm |
| Weight | 0.614 Kg |
| Basic dynamic load rating (C) | 21.3 kN |
| Basic static load rating (C0) | 6.30 kN |
| (Grease) Lubrication Speed | 8700 r/min |
| (Oil) Lubrication Speed | 11000 r/min |
| Calculation factor (e) | 0.26 |
| Calculation factor (Y0) | 2.52 |
| Calculation factor (Y1) | 2.40 |
Detailed Parameters
parameter：
| 5307 Angular contact ball bearings | Brand:NSK ，Outer Diameter :80mm ，Bore Diameter :35mm ，Size :35x80x34.9mm |
| NN3030K Cylindrical roller bearings | Size :150x206x56mm ，Brand:NTN ，Outer Diameter :206mm ，Bore Diameter :150mm |
| 6217-Z Deep groove ball bearings | Width :28mm ，Outer Diameter :150mm ，d:85 mm ，Brand:CYSD ，Bore Diameter :85mm ，Size :85x150x28mm |
| NJ 2310 E Cylindrical roller bearings | Bore Diameter :50mm ，Width :40mm ，Size :50x110x40mm ，Outer Diameter :110mm ，Brand:NACHI |
| M257248D/M257210/M257210D Tapered roller bearings | Bore Diameter :304.902mm ，Size :304.902x412.648x266.7mm ，Brand:NTN ，Width :266.7mm ，Outer Diameter :412.648mm |
| 608LB Deep groove ball bearings | Bore Diameter :8.000mm ，Size :8x22x7mm ，Brand:NTN ，Outer Diameter :22.000mm |
| 210RIF728 Cylindrical roller bearings | Brand:Timken ，d:533.4 mm ，Bore Diameter :533.4mm ，Outer Diameter :742mm ，F:579 mm ，D:787.4 mm |
| 6206DDU Deep groove ball bearings | Width :16mm ，Brand:NSK ，Outer Diameter :62mm ，Size :30x62x16mm ，d:30 mm ，Bore Diameter :30mm |
| SNA 4 Plain bearings | Brand:IKO ，Bore Diameter :4mm ，Size :4x15x6mm ，Outer Diameter :15mm |
| 7305 A-UD Angular contact ball bearings | Outer Diameter :62mm ，Bore Diameter :25mm ，d:25 mm ，Brand:CX ，Size :25x62x34mm ，Width :34mm |
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