K81218J NTN Outer Diameter 120.000mm Thrust roller bearings
| Dc1 | 90 mm |
| Dc | 135 mm |
| Lw | 14 mm |
| Bearing ring (inner ring) WS | WS81218 |
| Bearing ring (outer ring) GS | GS81218 |
| Ea | 126.7 mm |
| Eb | 97.9 mm |
| Cage assembly mass | 0.54 kg |
| Ca | 213 kN |
| C0a | 680 kN |
| Nlim (grease) | 530 rpm |
| Nlim (oil) | 2.100 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 | 8.02 Hz |
| Characteristic outer ring frequency, BPF0 | 8.5 Hz |
| Characteristic inner ring frequency, BPFI | 8.5 Hz |
| Bearing number | K81218J |
| Brand | NTN |
| Bore Diameter (mm) | 90.000 |
| Outer Diameter (mm) | 120.000 |
| d | 90.000 mm |
| D | 120.000 mm |
| Dw | 9.000 mm |
| Category | Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | NTN |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.216 |
| Product Group – BDI | B04144 |
Detailed Parameters
parameter：
| RNA4901.2RS Needle roller bearings | Size :16x24x13mm ，Outer Diameter :24mm ，Brand:Timken ，Bore Diameter :16mm |
| 396/394D+X2S-396 Tapered roller bearings | Bore Diameter :50mm ，Outer Diameter :110mm ，Brand:Timken ，Size :50x110x52.388mm ，Width :52.388mm |
| 46T30211JR/41,5 Tapered roller bearings | Size :55x100x51mm ，Brand:KOYO ，Bore Diameter :55mm ，Outer Diameter :100mm |
| NJ2222-E-TVP2 + HJ2222-E Cylindrical roller bearings | Outer Diameter :200mm ，Bore Diameter :110mm ，Size :110x200x53mm ，Brand:FAG ，Width :53mm |
| 16068-MA Deep groove ball bearings | Bore Diameter :340mm ，Width :57mm ，Brand:NKE ，Size :340x520x57mm ，d:340 mm ，Outer Diameter :520mm |
| 23100/23256 Tapered roller bearings | Size :25.4x65.088x22.225mm ，Brand:CX ，Outer Diameter :65.088mm ，d:25.4 mm ，Bore Diameter :25.4mm ，Width :22.225mm |
| KT 303620 Needle roller bearings | Brand:IKO ，Outer Diameter :36mm ，Bore Diameter :30mm ，Fw:30 mm |
| 6311-2NKE Deep groove ball bearings | Size :55x120x29mm ，Brand:NACHI ，Bore Diameter :55mm ，Outer Diameter :120mm |
| 7210CDF Angular contact ball bearings | Width :20mm ，Brand:NACHI ，Size :50x90x20mm ，Bore Diameter :50mm ，Outer Diameter :90mm |
| SI 25 Plain bearings | A:60 mm ，B:31 mm ，Brand:CX ，Bore Diameter :25mm ，d:25 mm |
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