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 |