1308 KOYO 40x90x23mm Manufacturer Name KOYO Self aligning ball bearings
| Bearing number | 1308 |
| Size (mm) | 40x90x23 |
| Brand | KOYO |
| Bore Diameter (mm) | 40 |
| Outer Diameter (mm) | 90 |
| Width (mm) | 23 |
| d | 40 mm |
| D | 90 mm |
| B | 23 mm |
| C | 23 mm |
| r min. | 1.5 mm |
| da min. | 48 mm |
| Da max. | 82 mm |
| ra max. | 1.5 mm |
| Weight | 0.715 Kg |
| Basic dynamic load rating (C) | 29.5 kN |
| Basic static load rating (C0) | 9.70 kN |
| (Grease) Lubrication Speed | 6900 r/min |
| (Oil) Lubrication Speed | 8400 r/min |
| Calculation factor (e) | 0.25 |
| Calculation factor (Y0) | 2.69 |
| Calculation factor (Y1) | 2.57 |
| Category | Self Aligning Ball Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | KOYO |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.951 |
| EAN | 0605790001673 |
| 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 3 Deg |
| Long Description | 40MM Bore; Shaft Mount; 90MM Outside Diameter; 23MM Inner Race Width; 23MM 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 | 1308 |
| Weight / LBS | 1.5763 |
| Bore | 1.575 Inch | 40 Millimeter |
| Outside Diameter | 3.543 Inch | 90 Millimeter |
| Inner Race Width | 0.906 Inch | 23 Millimeter |
| Outer Race Width | 0.906 Inch | 23 Millimeter |
| Bearing No. | 1308 |
| r(min) | 1.5 |
| Cr | 29.6 |
| C0r | 9.80 |
| Cu | 0.61 |
| Grease lub. | 6900 |
| Oil lub. | 8400 |
| da(min) | 48 |
| Da(max) | 82 |
| ra(max) | 1.5 |
| e | 0.25 |
| Y1 | 2.57 |
| Y2 | 3.98 |
| Y0 | 2.69 |
| (Refer.)Mass(kg) | 0.715 |
Detailed Parameters
parameter：
| 7040C Angular contact ball bearings | Outer Diameter :310mm ，Brand:NACHI ，Size :200x310x51mm ，Bore Diameter :200mm ，d:200 mm ，Width :51mm |
| VEX 20 7CE3 Angular contact ball bearings | Width :12mm ，Bore Diameter :20mm ，Size :20x42x12mm ，Brand:SNFA ，Outer Diameter :42mm |
| 7811C Angular contact ball bearings | Brand:NTN ，Size :55x72x9mm ，Bore Diameter :55mm ，Outer Diameter :72mm |
| GE30-KLL-B Deep groove ball bearings | Bore Diameter :30mm ，Width :48.5mm ，Outer Diameter :62mm ，Size :30x62x48.5mm ，Brand:INA |
| CSEA040 Deep groove ball bearings | Size :101.6x114.3x6.35mm ，Brand:INA ，Outer Diameter :114.3mm ，Bore Diameter :101.6mm |
| N326 Cylindrical roller bearings | rs min:4 mm ，E:243 mm ，d1:182 mm ，F:167 mm |
| 6815VV Deep groove ball bearings | Outer Diameter :95mm ，Bore Diameter :75mm ，Size :75x95x10mm ，Brand:NSK |
| NA4917 Needle roller bearings | Outer Diameter :120mm ，Brand:CRAFT ，Bore Diameter :85mm ，Width :35mm ，Size :85x120x35mm ，d:85 mm |
| RNAO30X42X16 Needle roller bearings | Fw:30 mm ，Brand:Timken ，Width :16mm ，Bore Diameter :30mm ，Outer Diameter :37mm ，Size :30x37x16mm |
| 24148 K30 Spherical roller bearings | Bore Diameter :240mm ，Outer Diameter :400mm ，Size :240x400x160mm ，Width :160mm ，Brand:ISB |
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