Bearing K50X55X30 KOYO
Needle Roller Bearing Boyal Industrial Pte ltd. are a few 50.8x85x17.462 brands you will find in our inventory. Find Bearing K50X55X30 KOYO to see what's in stock!
| Bearing number: | 4T-18790/18720 |
| Size (mm): | 50.8x85x17.462 |
| Bore Diameter (mm): | 50,8 |
| Outer Diameter (mm): | 85 |
| Width (mm): | 17,462 |
| d: | 50,8 mm |
| D: | 85 mm |
| T: | 17,462 mm |
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Product Details
| Bearing number | 4T-18790/18720 |
| Size (mm) | 50.8x85x17.462 |
| Bore Diameter (mm) | 50,8 |
| Outer Diameter (mm) | 85 |
| Width (mm) | 17,462 |
| d | 50,8 mm |
| D | 85 mm |
| T | 17,462 mm |
| B | 17,462 mm |
| C | 13,495 mm |
| ra1 max. | 1,5 mm |
| a | 0,8 mm |
| Da | 77 mm |
| db | 56 mm |
| ra max. | 3,5 mm |
| da | 62 mm |
| Db | 80 mm |
| Weight | 0,374 Kg |
| Basic dynamic load rating (C) | 49,5 kN |
| Basic static load rating (C0) | 65 kN |
| (Grease) Lubrication Speed | 4 200 r/min |
| (Oil) Lubrication Speed | 5 600 r/min |
| Calculation factor (e) | 0,41 |
| Calculation factor (Y0) | 0,81 |
| d1 | 67 mm |
| e | 0.41 |
| Y2 | 1.48 |
| Y0 | 0.81 |
| Mass | 0.37 kg |
| Dynamic load, C | 49.5 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 65 kN |
| Fatigue limit load, Cu | 7.9 kN |
| Nlim (oil) | 5,600 rpm |
| Nlim (grease) | 4,200 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.45 Hz |
| Characteristic rolling element frequency, BSF | 8.91 Hz |
| Characteristic outer ring frequency, BPF0 | 10.27 Hz |
| Characteristic inner ring frequency, BPFI | 12.73 Hz |
| ra max | 3.5 mm |
| r1a max | 1.5 mm |
