SR20-1120L RAIL THK Linear Bearing,Linear Motion Guides,Radial Type Caged Ball LM Guide (SSR),Radial Rail (SR) for SSR Blocks
| Brand Name: | THK |
| Model Number: | SR20-1120L RAIL |
| Bearing number: | 4T-67389/67322 |
| Size (mm): | 130.175x196.85x46.038 |
| Bore Diameter (mm): | 130,175 |
| Outer Diameter (mm): | 196,85 |
| Width (mm): | 46,038 |
| d: | 130,175 mm |
| D: | 196,85 mm |
| T: | 46,038 mm |
Product Details
| Bearing number | 4T-67389/67322 |
| Size (mm) | 130.175x196.85x46.038 |
| Bore Diameter (mm) | 130,175 |
| Outer Diameter (mm) | 196,85 |
| Width (mm) | 46,038 |
| d | 130,175 mm |
| D | 196,85 mm |
| T | 46,038 mm |
| B | 46,038 mm |
| C | 38,1 mm |
| ra1 max. | 3,3 mm |
| a | 6,3 mm |
| Da | 180 mm |
| db | 141 mm |
| ra max. | 3,5 mm |
| da | 146 mm |
| Db | 189 mm |
| Weight | 4,87 Kg |
| Basic dynamic load rating (C) | 310 kN |
| Basic static load rating (C0) | 550 kN |
| (Grease) Lubrication Speed | 1 700 r/min |
| (Oil) Lubrication Speed | 2 200 r/min |
| Calculation factor (e) | 0,34 |
| Calculation factor (Y0) | 0,96 |
| d1 | 165.5 mm |
| e | 0.34 |
| Y2 | 1.74 |
| Y0 | 0.96 |
| Dynamic load, C | 310 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 550 kN |
| Fatigue limit load, Cu | 57.7 kN |
| Nlim (oil) | 2,200 rpm |
| Nlim (grease) | 1,700 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.46 Hz |
| Characteristic rolling element frequency, BSF | 10.77 Hz |
| Characteristic outer ring frequency, BPF0 | 13.2 Hz |
| Characteristic inner ring frequency, BPFI | 15.8 Hz |
| ra max | 3.5 mm |
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