1203 KOYO 17x40x12mm Calculation factor (Y1) 2.03 Self aligning ball bearings
| Bearing number | 1203 |
| Size (mm) | 17x40x12 |
| Brand | KOYO |
| Bore Diameter (mm) | 17 |
| Outer Diameter (mm) | 40 |
| Width (mm) | 12 |
| d | 17 mm |
| D | 40 mm |
| B | 12 mm |
| C | 12 mm |
| r min. | 0.6 mm |
| da min. | 21 mm |
| Da max. | 36 mm |
| ra max. | 0.6 mm |
| Weight | 0.073 Kg |
| Basic dynamic load rating (C) | 7.90 kN |
| Basic static load rating (C0) | 2.00 kN |
| (Grease) Lubrication Speed | 16000 r/min |
| (Oil) Lubrication Speed | 20000 r/min |
| Calculation factor (e) | 0.31 |
| Calculation factor (Y0) | 2.12 |
| Calculation factor (Y1) | 2.03 |
| Category | Self Aligning Ball Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | KOYO |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.079 |
| EAN | 0605790000843 |
| 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 | 17MM Bore; Shaft Mount; 40MM Outside Diameter; 12MM Inner Race Width; 12MM 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 | 1203 |
| Weight / LBS | 0.16094 |
| Outside Diameter | 1.575 Inch | 40 Millimeter |
| Inner Race Width | 0.472 Inch | 12 Millimeter |
| Outer Race Width | 0.472 Inch | 12 Millimeter |
| Bore | 0.669 Inch | 17 Millimeter |
| Bearing No. | 1203 |
| r(min) | 0.6 |
| Cr | 7.90 |
| C0r | 2.05 |
| Cu | 0.13 |
| Grease lub. | 16000 |
| Oil lub. | 20000 |
| da(min) | 21 |
| Da(max) | 36 |
| ra(max) | 0.6 |
| e | 0.31 |
| Y1 | 2.03 |
| Y2 | 3.14 |
| Y0 | 2.12 |
| (Refer.)Mass(kg) | 0.073 |
Detailed Parameters
parameter：
| UK213G2H Deep groove ball bearings | Size :60x120x36mm ，Outer Diameter :120.000mm ，Width :36mm ，Brand:SNR ，Bore Diameter :60.000mm |
| NNU 4928 K/SPW33 Cylindrical roller bearings | Outer Diameter :190mm ，Bore Diameter :140mm ，Brand:ISB ，Size :140x190x50mm |
| 61826 Deep groove ball bearings | Width :18mm ，Outer Diameter :165mm ，Size :130x165x18mm ，Brand:FAG ，Bore Diameter :130mm |
| IJ123095 Angular contact ball bearings | Brand:ILJIN ，E:65.8 mm ，I:69 mm ，P:107 mm |
| K81105 Thrust roller bearings | Dw:5.000 mm ，Bore Diameter :25.000mm ，Outer Diameter :42.000mm ，D:42.000 mm ，d:25.000 mm ，Brand:NTN |
| 180KBE22 Tapered roller bearings | Bore Diameter :180mm ，Width :152mm ，Brand:NACHI ，Size :180x320x152mm ，Outer Diameter :320mm |
| PCM 120125100 E Plain bearings | Outer Diameter :125mm ，Width :100mm ，Bore Diameter :120mm ，Size :120x125x100mm ，Brand:SKF |
| 6208 Deep groove ball bearings | Brand:Fersa ，Outer Diameter :80mm ，Bore Diameter :40mm ，Size :40x80x18mm |
| 3302-ZZ Angular contact ball bearings | Bore Diameter :15mm ，Brand:ISB ，Size :15x42x19mm ，Outer Diameter :42mm |
| 323406XS/323549XGS Tapered roller bearings | Width :200mm ，Size :406.4x549.275x200mm ，Bore Diameter :406.4mm ，Brand:Gamet |
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