12175/12303 KOYO Calculation factor (Y0) 0.65 44.45×76.992×17.463mm Tapered roller bearings
| Bearing number | 12175/12303 |
| Size (mm) | 44.45×76.992×17.463 |
| Brand | KOYO |
| Bore Diameter (mm) | 44.45 |
| Outer Diameter (mm) | 76.992 |
| Width (mm) | 17.463 |
| d | 44.45 mm |
| D | 76.992 mm |
| T | 17.463 mm |
| B | 17.145 mm |
| C | 11.908 mm |
| a | 17.5 mm |
| r min. | 1.6 mm |
| r2 min. | 1.6 mm |
| da min. | 52 mm |
| Da | 68 mm |
| db min | 49.5 mm |
| ra max. | 1.6 mm |
| rb max. | 1.6 mm |
| Db | 73 mm |
| Weight | 0.303 Kg |
| Basic dynamic load rating (C) | 48.4 kN |
| Basic static load rating (C0) | 62.2 kN |
| (Grease) Lubrication Speed | 5000 r/min |
| (Oil) Lubrication Speed | 6600 r/min |
| Calculation factor (e) | 0.51 |
| Calculation factor (Y0) | 0.65 |
Detailed Parameters
parameter：
| 782/772 Tapered roller bearings | Brand:KOYO ，Outer Diameter :180.975mm ，Bore Diameter :104.775mm ，Size :104.775x180.975x47.625mm ，Width :47.625mm |
| 22310 CW33 Spherical roller bearings | Size :50x110x40mm ，Brand:CX ，Bore Diameter :50mm ，Width :40mm ，Outer Diameter :110mm |
| 7309 BECBY Angular contact ball bearings | Weight / Kilogram:0.86 ，BDI Inventory:63.0 ，Category:Angular Contact Ball Bearings ，Manufacturer Name:SKF ，Minimum Buy Quantity:N/A |
| 234708-M-SP Thrust ball bearings | Outer Diameter :68mm ，Bore Diameter :42mm ，Size :42x68x36mm ，Brand:FAG |
| 4T-495/492A Tapered roller bearings | a:29.6 mm ，r1s min:3.3 mm ，rs min:3.5 mm ，Y2:1.35 ，e:0.44 |
| 7230 ADF Angular contact ball bearings | Outer Diameter :270mm ，Bore Diameter :150mm ，Size :150x270x90mm ，Brand:ISO |
| NU210EM Cylindrical roller bearings | Size :50x90x20mm ，Outer Diameter :90.000mm ，Bore Diameter :50.000mm ，Brand:SNR |
| 33019 Tapered roller bearings | Bore Diameter :95mm ，Outer Diameter :145mm ，Size :95x145x39mm ，Brand:NKE |
| MJH-22121 Needle roller bearings | Bore Diameter :34.925mm ，Fw:34.925 mm ，Width :19.05mm ，Size :34.925x44.45x19.05mm ，Brand:NSK ，Outer Diameter :44.45mm |
| NF10/560 Cylindrical roller bearings | Bore Diameter :560mm ，Size :560x820x115mm ，Brand:ISO ，Outer Diameter :820mm |
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