1210 KOYO 50x90x20mm Harmonized Tariff Code 8482.10.50.68 Self aligning ball bearings
| Bearing number | 1210 |
| Size (mm) | 50x90x20 |
| Brand | KOYO |
| Bore Diameter (mm) | 50 |
| Outer Diameter (mm) | 90 |
| Width (mm) | 20 |
| d | 50 mm |
| D | 90 mm |
| B | 20 mm |
| C | 20 mm |
| r min. | 1.1 mm |
| da min. | 56.5 mm |
| Da max. | 83.5 mm |
| ra max. | 1 mm |
| Weight | 0.525 Kg |
| Basic dynamic load rating (C) | 22.7 kN |
| Basic static load rating (C0) | 8.10 kN |
| (Grease) Lubrication Speed | 6500 r/min |
| (Oil) Lubrication Speed | 7900 r/min |
| Calculation factor (e) | 0.21 |
| Calculation factor (Y0) | 3.22 |
| Calculation factor (Y1) | 3.07 |
| Category | Self Aligning Ball Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | KOYO |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.568 |
| EAN | 0605790001109 |
| Product Group – BDI | B00152 |
| Mounting Method | Shaft |
| Enclosure | Open |
| Rolling Element | Ball Bearing |
| 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 |
| Long Description | 50MM Bore; Shaft Mount; 90MM Outside Diameter; 20MM Inner Race Width; 20MM 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.koyousa.com |
| Manufacturer Item Number | 1210 |
| Weight / LBS | 1.15743 |
| Outside Diameter | 3.543 Inch | 90 Millimeter |
| Outer Race Width | 0.787 Inch | 20 Millimeter |
| Bore | 1.969 Inch | 50 Millimeter |
| Inner Race Width | 0.787 Inch | 20 Millimeter |
| Bearing No. | 1210 |
| r(min) | 1.1 |
| Cr | 22.7 |
| C0r | 8.10 |
| Cu | 0.51 |
| Grease lub. | 6500 |
| Oil lub. | 7900 |
| da(min) | 56.5 |
| Da(max) | 83.5 |
| ra(max) | 1 |
| e | 0.21 |
| Y1 | 3.07 |
| Y2 | 4.76 |
| Y0 | 3.22 |
| (Refer.)Mass(kg) | 0.525 |
Detailed Parameters
parameter：
| 23144-2CS5K/VT143 Spherical roller bearings | Size :370x220x120mm ，Outer Diameter :220mm ，Width :120mm ，Bore Diameter :370mm ，Brand:SKF |
| K101X109X20 Needle roller bearings | Width :20mm ，Size :101x109x20mm ，Outer Diameter :109mm ，Brand:FBJ ，Bore Diameter :101mm |
| GEWZ114ES-2RS Plain bearings | Outer Diameter :177.8mm ，Brand:LS ，Bore Diameter :114.3mm ，Size :114.3x177.8x171.45mm |
| 16008-2RS Deep groove ball bearings | Bore Diameter :40mm ，Outer Diameter :68mm ，Size :40x68x9mm ，Brand:ZEN |
| 602 Deep groove ball bearings | Bore Diameter :2mm ，Brand:KOYO ，Size :2x7x2.8mm ，Outer Diameter :7mm |
| 23028C Spherical roller bearings | Bore Diameter :140mm ，Size :140x210x53mm ，Outer Diameter :210mm ，Brand:AST |
| RTUE30 Bearing units | Bore Diameter :30mm ，d:30 mm ，Thread (Q):Rp1/8 ，L2:10 mm ，S1:30.2 mm ，Brand:INA |
| FWF-303620 Needle roller bearings | Brand:NSK ，Bore Diameter :30mm ，Fw:30 mm ，Outer Diameter :36mm |
| SS 6003-ZZ Deep groove ball bearings | Brand:ISB ，Size :17x35x10mm ，Outer Diameter :35mm ，Bore Diameter :17mm |
| 120TMP12 Thrust roller bearings | Outer Diameter :170mm ，Bore Diameter :120mm ，Brand:NSK ，Size :120x170x39mm |
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