K89308 NTN Bore Diameter 40.000mm Thrust roller bearings
| Dc1 | 40 mm |
| Dc | 78 mm |
| Lw | 7 mm |
| Bearing ring (inner ring) WS | WS89308 |
| Bearing ring (outer ring) GS | GS89308 |
| Ea | 74.4 mm |
| Eb | 46 mm |
| Cage assembly mass | 0.1 kg |
| Ca | 85 kN |
| C0a | 277 kN |
| Nlim (grease) | 1.000 rpm |
| Nlim (oil) | 4.000 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.5 Hz |
| Characteristic rolling element frequency, BSF | 8.6 Hz |
| Characteristic outer ring frequency, BPF0 | 7.5 Hz |
| Characteristic inner ring frequency, BPFI | 7.5 Hz |
| Bearing number | K89308 |
| Brand | NTN |
| Bore Diameter (mm) | 40.000 |
| Outer Diameter (mm) | 78.000 |
| d | 40.000 mm |
| D | 78.000 mm |
| Dw | 7.000 mm |
Detailed Parameters
parameter：
| 28682/28622 Tapered roller bearings | Brand:FBJ ，Size :57.15x97.63x24.608mm ，Bore Diameter :57.15mm ，Width :24.608mm ，Outer Diameter :97.63mm |
| NN3176 K Cylindrical roller bearings | Outer Diameter :650mm ，Bore Diameter :380mm ，Brand:ISO ，Size :380x650x194mm |
| BL 210 Deep groove ball bearings | Width :20mm ，Outer Diameter :90mm ，Brand:NSK ，Bore Diameter :50mm ，Size :50x90x20mm |
| 110053X/110096XH Tapered roller bearings | Brand:Gamet ，Size :53.975x96.838x65mm ，Bore Diameter :53.975mm ，Outer Diameter :96.838mm |
| QJ219 Angular contact ball bearings | Outer Diameter :170mm ，Brand:ISO ，Bore Diameter :95mm ，Size :95x170x32mm ，Width :32mm ，d:95 mm |
| 10404 Self aligning ball bearings | Brand:SIGMA ，d:20 mm ，Outer Diameter :72mm ，Size :20x72x19mm ，Width :19mm ，Bore Diameter :20mm |
| BT2816 Needle roller bearings | Outer Diameter :53.975mm ，Bore Diameter :44.45mm ，Size :44.45x53.975x25.4mm ，Brand:KOYO |
| F4-9M Thrust ball bearings | Outer Diameter :9mm ，Bearing Type:with grooved raceway(s) ，Brand:AST ，Bore Diameter :4mm |
| FL619/7 ZZ Deep groove ball bearings | Outer Diameter :17mm ，d:7 mm ，Bore Diameter :7mm ，Brand:ISO ，Size :7x17x5mm ，Width :5mm |
| 22330-E1-K-T41A + H2330 Spherical roller bearings | Width :108mm ，Brand:FAG ，Outer Diameter :320mm ，Size :135x320x108mm ，Bore Diameter :135mm |
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