1211K NACHI Da max. 92 mm 55x100x21mm Self aligning ball bearings
| Bearing number | 1211K |
| Size (mm) | 55x100x21 |
| Brand | NACHI |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 21 |
| d | 55 mm |
| D | 100 mm |
| B | 21 mm |
| C | 21 mm |
| r1 min. | 1.5 mm |
| da min. | 66 mm |
| Da max. | 92 mm |
| ra max. | 1.5 mm |
| Weight | 0.705 Kg |
| Basic dynamic load rating (C) | 26.8 kN |
| Basic static load rating (C0) | 10 kN |
| (Grease) Lubrication Speed | 5800 r/min |
| (Oil) Lubrication Speed | 7100 r/min |
| Calculation factor (e) | 0.20 |
| Calculation factor (Y0) | 3.34 |
| Calculation factor (Y1) | 3.19 |
| Category | Self Aligning Ball Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | NACHI |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0 |
| Product Group – BDI | B00152 |
| Mounting Method | Tapered Adapter |
| Enclosure | Open |
| Rolling Element | Ball Bearing |
| Adapter Sleeve | H-211X |
| Cage Material | Steel |
| Precision Class | ABEC 1 | ISO P0 |
| Internal Clearance | C0-Medium |
| Number of Rows of Balls | Double Row |
| Other Features | Allowable Misalignment 2.5 Deg | 1:12 Taper |
| Long Description | 55MM Bore; Tapered Adapter Mount; 100MM Outside Diameter; 21MM Inner Race Width; 21MM Outer Race Width; Open; Steel Cage; Double Row of Balls; ABEC 1 | ISO P0; C0-Medium |
| Inch – Metric | Metric |
| Category – BDI | Self Aligning Ball Bearings |
| UNSPSC | 31171532 |
| Harmonized Tariff Code | 8482.10.50.68 |
| Noun | Bearing |
| Keyword String | Self Aligning |
| Manufacturer URL | http://www.nachi.com |
| Weight / LBS | 1.55426 |
| Bore | 2.165 Inch | 55 Millimeter |
| Outside Diameter | 3.937 Inch | 100 Millimeter |
| Inner Race Width | 0.827 Inch | 21 Millimeter |
| Outer Race Width | 0.827 Inch | 21 Millimeter |
Detailed Parameters
parameter：
| 2301 Self aligning ball bearings | Size :12x37x17mm ，Bore Diameter :12mm ，Outer Diameter :37mm ，Brand:ISB ，Width :17mm |
| UCX06 Deep groove ball bearings | Outer Diameter :72.000mm ，Bore Diameter :30.000mm ，Size :30x72x42.9mm ，Brand:NTN |
| 23934YM Spherical roller bearings | Size :170x230x45mm ，Bore Diameter :170mm ，Outer Diameter :230mm ，Width :45mm ，Brand:Timken |
| NUP228EM Cylindrical roller bearings | Outer Diameter :250mm ，Brand:NSK ，Size :140x250x42mm ，Bore Diameter :140mm |
| H7032C/HQ1 Angular contact ball bearings | Brand:AST ，Bore Diameter :160mm ，Size :160x240x38mm ，Outer Diameter :240mm |
| UCFCX10 Bearing units | Brand:FYH ，Bore Diameter :50mm ，H3:118 mm ，d:50 mm ，A4:40.4 mm |
| F-80796 Cylindrical roller bearings | Width :26mm ，Bore Diameter :30mm ，Brand:INA ，Size :30x68x26mm ，d:30 mm ，Outer Diameter :68mm |
| H247549/10 Tapered roller bearings | d:234.95 mm ，Outer Diameter :384.175mm ，Width :112.712mm ，Bore Diameter :234.95mm ，Size :234.95x384.175x112.712mm ，Brand:CX |
| NKIB 5914 Complex bearings | Size :70x100x45mm ，Outer Diameter :100mm ，Brand:NBS ，Bore Diameter :70mm |
| NN4922MB Cylindrical roller bearings | Outer Diameter :140mm ，Size :110x140x40mm ，Bore Diameter :110mm ，Brand:NSK |
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