Excavator Parts Swing Ring for EX100-3 Slewing Circle Bearing EX110-5 EX120-2
Welcome 55x100x21 Size (mm) to the 55x100x21 Excavator Parts Swing Ring for EX100-3 Slewing Circle Bearing EX110-5 EX120-2 online seller. Jinan Excavator Parts Company
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Bearing number | 7211HG1UJ74 |
| Size (mm) | 55x100x21 |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 21 |
| d | 55 mm |
| D | 100 mm |
| B | 21 mm |
| C | 21 mm |
| Angle (α) | 20 ° |
| d1 | 69 mm |
| D1 | 85.8 mm |
| D2 | 93.02 mm |
| a | 29 mm |
| Contact angle α | 25 ° |
| rs min | 1.5 mm |
| r1s min | 1 mm |
| f0 | 14.76 |
| Precision class | P4 |
| Mass | 0.62 kg |
| Dynamic load, C | 52.9 kN |
| Static load, C0 | 41 kN |
| Fatigue limit load, Cu | 2.3 kN |
| Nlim (oil) | 18,500 rpm |
| Nlim (grease) | 12,500 rpm |
| Axial displacement K Factor | 0.56 |
| Preload level | 7 |
| Preload value | 0.47 kN |
| Axial rigidity | 196 N/µm |
| Radial rigidity | 417 N/µm |
| Min operating temperature, Tmin | -30 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.42 Hz |
| Characteristic rolling element frequency, BSF | 5.27 Hz |
| Characteristic outer ring frequency, BPF0 | 6.25 Hz |
| Characteristic inner ring frequency, BPFI | 8.75 Hz |
| da min | 63.5 mm |
| db min | 63.5 mm |
| Da max | 91.5 mm |
| Db max | 91.5 mm |
| r1a max | 1 mm |
| ra max | 1.5 mm |
| D6 | 73.8 mm |
Company Profile
| Worktime |
9:00-18:00(Beijing time) |
| Phone |
86 0531-8299 9952 |
| Fax |
86 0531 -82990353 |
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