1218SK NTN 90x160x30mm Dynamic load, C 57.5 kN Self aligning ball bearings
| rs min | 2 mm |
| Associated sleeve reference | H218X |
| e | 0.17 |
| Y1 | 3.8 |
| Y2 | 5.8 |
| Y0 | 3.9 |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 2.55 kg |
| Dynamic load, C | 57.5 kN |
| Static load, C0 | 23.5 kN |
| Nlim (oil) | 4.300 rpm |
| Nlim (grease) | 3.600 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| da min | 99 mm |
| da max | 111 mm |
| db min | 95 mm |
| Ce min | 6 mm |
| Da max | 151 mm |
| ra max | 2 mm |
| Bearing number | 1218SK |
| Size (mm) | 90x160x30 |
| Brand | NTN |
| Bore Diameter (mm) | 90 |
| Outer Diameter (mm) | 160 |
| Width (mm) | 30 |
| d | 90 mm |
| D | 160 mm |
| B | 30 mm |
| C | 30 mm |
| r min. | 2 mm |
| da min. | 99 mm |
| Da max. | 151 mm |
| ra max. | 2 mm |
| Weight | 2.55 Kg |
| Basic dynamic load rating (C) | 57.5 kN |
| Basic static load rating (C0) | 23.5 kN |
| (Grease) Lubrication Speed | 3 600 r/min |
| (Oil) Lubrication Speed | 4 300 r/min |
| Calculation factor (e) | 0.17 |
| Calculation factor (Y0) | 3.9 |
| Calculation factor (Y1) | 3.8 |
Detailed Parameters
parameter：
| LL771948/LL771911 Tapered roller bearings | d:476.25 mm ，Bore Diameter :476.25mm ，Outer Diameter :565.15mm ，Brand:NTN ，Size :476.25x565.15x41.275mm ，Width :41.275mm |
| 6204 N Deep groove ball bearings | Brand:ISB ，Bore Diameter :20mm ，Size :20x47x14mm ，Outer Diameter :47mm ，Width :14mm |
| 7948DT Angular contact ball bearings | Outer Diameter :320mm ，Brand:NTN ，Bore Diameter :240mm ，Size :240x320x38mm ，Width :38mm |
| 6218 M Deep groove ball bearings | d:90 mm ，Bore Diameter :160mm ，Outer Diameter :90mm ，Brand:SKF ，Size :160x90x30mm ，Width :30mm |
| 30302 Tapered roller bearings | Width :14.25mm ，Size :15x42x14.25mm ，Bore Diameter :15mm ，Brand:FBJ ，Outer Diameter :42mm |
| KT 222610 Needle roller bearings | Outer Diameter :26mm ，Fw:22 mm ，Brand:IKO ，Bore Diameter :22mm |
| NNCF5018 V Cylindrical roller bearings | Width :67mm ，Outer Diameter :140mm ，Brand:ISO ，Bore Diameter :90mm ，Size :90x140x67mm |
| PK35.5X43.5X19.8 Needle roller bearings | Fw:35.500 mm ，Bc:19.800 mm ，Ew:43.500 mm ，Outer Diameter :43.500mm ，Brand:NTN ，Bore Diameter :35.500mm |
| 6802-2RS C3 Deep groove ball bearings | Brand:PFI ，Size :15x24x5mm ，Bore Diameter :15mm ，Outer Diameter :24mm |
| 4T-H414242/H414210 Tapered roller bearings | Y2:1.67 ，e:0.36 ，d1:101.5 mm ，Y0:0.92 |
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