Bearing NK55/35 KOYO
Bearing NK55/35 KOYO 74.612x139.992x36.512 Size (mm) with easy-to-use parts graphics, giving you the ability to check parts availability, Needle Roller Bearing pricing, 74,612 Bore Diameter (mm) examine 74.612x139.992x36.512 remanufactured options.
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Bearing number | 4T-577/572 |
| Size (mm) | 74.612x139.992x36.512 |
| Bore Diameter (mm) | 74,612 |
| Outer Diameter (mm) | 139,992 |
| Width (mm) | 36,512 |
| d | 74,612 mm |
| D | 139,992 mm |
| T | 36,512 mm |
| B | 36,098 mm |
| C | 28,575 mm |
| ra1 max. | 3,3 mm |
| a | 5,5 mm |
| Da | 125 mm |
| db | 85 mm |
| ra max. | 3,5 mm |
| da | 91 mm |
| Db | 133 mm |
| Weight | 2,48 Kg |
| Basic dynamic load rating (C) | 178 kN |
| Basic static load rating (C0) | 265 kN |
| (Grease) Lubrication Speed | 2 600 r/min |
| (Oil) Lubrication Speed | 3 400 r/min |
| Calculation factor (e) | 0,4 |
| Calculation factor (Y0) | 0,82 |
| d1 | 110 mm |
| e | 0.4 |
| Y2 | 1.49 |
| Y0 | 0.82 |
| Mass | 2.48 kg |
| Dynamic load, C | 178 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 265 kN |
| Fatigue limit load, Cu | 31.4 kN |
| Nlim (oil) | 3,400 rpm |
| Nlim (grease) | 2,600 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.44 Hz |
| Characteristic rolling element frequency, BSF | 8.34 Hz |
| Characteristic outer ring frequency, BPF0 | 10.19 Hz |
| Characteristic inner ring frequency, BPFI | 12.81 Hz |
| ra max | 3.5 mm |
| r1a max | 3.3 mm |
