1209 KOYO Precision Class ABEC 1 | ISO P0 45x85x19mm Self aligning ball bearings
| Bearing number | 1209 |
| Size (mm) | 45x85x19 |
| Brand | KOYO |
| Bore Diameter (mm) | 45 |
| Outer Diameter (mm) | 85 |
| Width (mm) | 19 |
| d | 45 mm |
| D | 85 mm |
| B | 19 mm |
| C | 19 mm |
| r min. | 1.1 mm |
| da min. | 51.5 mm |
| Da max. | 78.5 mm |
| ra max. | 1 mm |
| Weight | 0.465 Kg |
| Basic dynamic load rating (C) | 21.8 kN |
| Basic static load rating (C0) | 7.35 kN |
| (Grease) Lubrication Speed | 7000 r/min |
| (Oil) Lubrication Speed | 8500 r/min |
| Calculation factor (e) | 0.21 |
| Calculation factor (Y0) | 3.09 |
| Calculation factor (Y1) | 2.94 |
| Category | Self Aligning Ball Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | KOYO |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.503 |
| EAN | 0605790001062 |
| 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 | 45MM Bore; Shaft Mount; 85MM Outside Diameter; 19MM Inner Race Width; 19MM 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 | 1209 |
| Weight / LBS | 1.02515 |
| Outer Race Width | 0.748 Inch | 19 Millimeter |
| Inner Race Width | 0.748 Inch | 19 Millimeter |
| Bore | 1.772 Inch | 45 Millimeter |
| Outside Diameter | 3.346 Inch | 85 Millimeter |
| Bearing No. | 1209 |
| r(min) | 1.1 |
| Cr | 21.8 |
| C0r | 7.35 |
| Cu | 0.46 |
| Grease lub. | 7000 |
| Oil lub. | 8500 |
| da(min) | 51.5 |
| Da(max) | 78.5 |
| ra(max) | 1 |
| e | 0.21 |
| Y1 | 2.94 |
| Y2 | 4.56 |
| Y0 | 3.09 |
| (Refer.)Mass(kg) | 0.465 |
Detailed Parameters
parameter：
| HH221430/HH221410 Tapered roller bearings | Brand:FBJ ，Size :76.2x190.5x57.15mm ，Bore Diameter :76.2mm ，Outer Diameter :190.5mm ，Width :57.15mm |
| PCM 222530 M Plain bearings | d:22 mm ，Width :30mm ，Outer Diameter :25mm ，Brand:SKF ，Bore Diameter :22mm ，Size :22x25x30mm |
| 5305NR Angular contact ball bearings | Size :25x62x25.4mm ，d:25 mm ，Bore Diameter :25mm ，Width :25.4mm ，Brand:NACHI ，Outer Diameter :62mm |
| 02876/02823D Tapered roller bearings | Size :31.75x76.2x47.625mm ，Outer Diameter :76.2mm ，Width :47.625mm ，Brand:Timken ，Bore Diameter :31.75mm ，d:31.75 mm |
| 850AR/832 Tapered roller bearings | Width :56.363mm ，B:56.363 mm ，T:53.975 mm ，Bore Diameter :89.891mm ，d:89.891 mm ，Brand:KOYO |
| 87508 Deep groove ball bearings | Outer Diameter :80mm ，Width :24mm ，Size :40x80x24mm ，Brand:SIGMA ，Bore Diameter :40mm ，d:40 mm |
| 3302 A-2RS1 Angular contact ball bearings | Brand:SKF ，Outer Diameter :15mm ，Size :42x15x19mm ，Bore Diameter :42mm |
| FYT 45 TF/VA201 Bearing units | Brand:SKF ，Outer Diameter :45mm ，Size :39x45x14mm ，Bore Diameter :39mm |
| 6311 Deep groove ball bearings | Size :55x120x29mm ，Outer Diameter :120mm ，Brand:KBC ，Bore Diameter :55mm |
| PSL 612-324 Tapered roller bearings | Outer Diameter :400.015mm ，Bore Diameter :319.98mm ，Size :319.98x400.015x38mm ，Width :38mm ，Brand:PSL |
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