ZX270 Excavator Hydraulic Pump ZX270 Main Pump
100% Authentic. ZX270 Excavator Hydraulic Pump ZX270 Main Pump Highest Jinan Excavator Parts Company Quality. Certified 50x88.9x20.638 Supplier. 50 Bore Diameter (mm)
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Bearing number |
4T-366/362A |
| Size (mm) |
50x88.9x20.638 |
| Bore Diameter (mm) |
50 |
| Outer Diameter (mm) |
88,9 |
| Width (mm) |
20,638 |
| d |
50 mm |
| D |
88,9 mm |
| T |
20,638 mm |
| B |
22,225 mm |
| C |
16,513 mm |
| ra1 max. |
1,3 mm |
| a |
4 mm |
| Da |
81 mm |
| db |
55 mm |
| ra max. |
2,3 mm |
| da |
59 mm |
| Db |
84 mm |
| Weight |
0,529 Kg |
| Basic dynamic load rating (C) |
76,5 kN |
| Basic static load rating (C0) |
90,5 kN |
| (Grease) Lubrication Speed |
4 100 r/min |
| (Oil) Lubrication Speed |
5 500 r/min |
| Calculation factor (e) |
0,32 |
| Calculation factor (Y0) |
1,03 |
| d1 |
67 mm |
| e |
0.32 |
| Y2 |
1.88 |
| Y0 |
1.03 |
| Mass |
0.53 kg |
| Dynamic load, C |
76.5 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
90.5 kN |
| Fatigue limit load, Cu |
11 kN |
| Nlim (oil) |
5,500 rpm |
| Nlim (grease) |
4,100 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.43 Hz |
| Characteristic rolling element frequency, BSF |
6.5 Hz |
| Characteristic outer ring frequency, BPF0 |
7.68 Hz |
| Characteristic inner ring frequency, BPFI |
10.32 Hz |
| ra max |
2.3 mm |
| r1a max |
1.3 mm |
Company Profile
| Worktime |
9:00-18:00(Beijing time) |
| Phone |
86 0531-8299 9952 |
| Fax |
86 0531 -82990353 |