1211S NTN 55x100x21mm Nlim (oil) 7.100 rpm Self aligning ball bearings
| rs min | 1.5 mm |
| e | 0.2 |
| Y1 | 3.2 |
| Y2 | 4.9 |
| Y0 | 3.3 |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0.7 kg |
| Dynamic load, C | 26.9 kN |
| Static load, C0 | 10 kN |
| Nlim (oil) | 7.100 rpm |
| Nlim (grease) | 6.000 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| da min | 63 mm |
| Da max | 92 mm |
| ra max | 1.5 mm |
| Bearing number | 1211S |
| Size (mm) | 55x100x21 |
| Brand | NTN |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 21 |
| d | 55 mm |
| D | 100 mm |
| B | 21 mm |
| C | 21 mm |
| r min. | 1.5 mm |
| da min. | 63 mm |
| Da max. | 92 mm |
| ra max. | 1.5 mm |
| Weight | 0.705 Kg |
| Basic dynamic load rating (C) | 26.9 kN |
| Basic static load rating (C0) | 10 kN |
| (Grease) Lubrication Speed | 6 000 r/min |
| (Oil) Lubrication Speed | 7 100 r/min |
| Calculation factor (e) | 0.2 |
| Calculation factor (Y0) | 3.3 |
| Calculation factor (Y1) | 3.2 |
Detailed Parameters
parameter：
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| ASTT90 7060 Plain bearings | Outer Diameter :75mm ，Bore Diameter :70mm ，Bearing Type:straight ，Shaft Size (ds) - 70 -0.100 / -0.130:70 0.100 / 0.130 ，Brand:AST ，Shaft Dia., Nominal (d):70.0000 |
| 33116 Tapered roller bearings | Size :80x130x37mm ，Brand:CRAFT ，Outer Diameter :130mm ，Bore Diameter :80mm |
| 3188S/3120 Tapered roller bearings | Size :31.75x72.626x30.162mm ，Brand:CX ，Width :30.162mm ，d:31.75 mm ，Bore Diameter :31.75mm ，Outer Diameter :72.626mm |
| RNU2238 Cylindrical roller bearings | Width :83.820mm ，Outer Diameter :160.020mm ，Brand:NTN ，Size :109.692x160.020x83.820mm ，Bore Diameter :109.692mm |
| 231/710 K Spherical roller bearings | Brand:ISB ，Size :710x1150x345mm ，Outer Diameter :1150mm ，Bore Diameter :710mm |
| GE 20GS-2RS Plain bearings | Size :20x42x25mm ，Brand:IKO ，d:20 mm ，Outer Diameter :42mm ，Bore Diameter :20mm ，Width :25mm |
| BLF204-12 Bearing units | A:20 mm ，A0:29 mm ，Bore Diameter :19.05mm ，d:19.05 mm ，Brand:KOYO |
| 423152 Tapered roller bearings | Size :260x440x180mm ，Outer Diameter :440mm ，Bore Diameter :260mm ，Brand:NTN |
| 35BER20XV1V Angular contact ball bearings | Bore Diameter :35mm ，d:35 mm ，Width :17mm ，Outer Diameter :62mm ，Size :35x62x17mm ，Brand:NSK |
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