7SRS7NC1+[33-300/1]LM THK Miniature Linear Guide Caged Ball SRS Series
| Brand Name: | THK |
| Model Number: | 7SRS7NC1+[33-300/1]LM |
| Bearing number: | 71924 CD/P4AH1 |
| Size (mm): | 165x120x22 |
| Bore Diameter (mm): | 165 |
| Outer Diameter (mm): | 120 |
| Width (mm): | 22 |
| d: | 120 mm |
| D: | 165 mm |
| B: | 22 mm |
Product Details
| Bearing number | 71924 CD/P4AH1 |
| Size (mm) | 165x120x22 |
| Bore Diameter (mm) | 165 |
| Outer Diameter (mm) | 120 |
| Width (mm) | 22 |
| d | 120 mm |
| D | 165 mm |
| B | 22 mm |
| d1 | 133.9 mm |
| d2 | 133.9 mm |
| D1 | 151.1 mm |
| K | 0.5 mm |
| C1 | 6.1 mm |
| r1,2 - min. | 1.1 mm |
| r3,4 - min. | 0.6 mm |
| a | 30.2 mm |
| da - min. | 126 mm |
| db - min. | 126 mm |
| Da - max. | 159 mm |
| Db - max. | 161 mm |
| ra - max. | 1 mm |
| rb - max. | 0.6 mm |
| dn | 137.6 mm |
| Basic dynamic load rating - C | 78 kN |
| Basic static load rating - C0 | 91.5 kN |
| Fatigue load limit - Pu | 3.2 kN |
| Limiting speed for grease lubrication | 7500 r/min |
| Limiting speed for oil lubrication | 12000 mm/min |
| Ball - Dw | 14.288 mm |
| Ball - z | 28 |
| Gref | 15.3 cm3 |
| Calculation factor - f0 | 16.5 |
| Preload class A - GA | 290 N |
| Preload class B - GB | 580 N |
| Preload class C - GC | 1160 N |
| Preload class D - GD | 2320 N |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.04 |
| Calculation factor - f2C | 1.09 |
| Calculation factor - f2D | 1.15 |
| Calculation factor - fHC | 1 |
| Preload class A | 127 N/micron |
| Preload class B | 174 N/micron |
| Preload class C | 246 N/micron |
| Preload class D | 361 N/micron |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 126 mm |
| db min. | 126 mm |
| Da max. | 159 mm |
| Db max. | 161 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 78 kN |
| Basic static load rating C0 | 91.5 kN |
| Fatigue load limit Pu | 3.25 kN |
| Attainable speed for grease lubrication | 7500 r/min |
| Attainable speed for oil-air lubrication | 12000 r/min |
| Ball diameter Dw | 14.288 mm |
| Number of balls z | 28 |
| Reference grease quantity Gref | 15.3 cm³ |
| Preload class A GA | 290 N |
| Static axial stiffness, preload class A | 127 N/µm |
| Preload class B GB | 580 N |
| Static axial stiffness, preload class B | 174 N/µm |
| Preload class C GC | 1160 N |
| Static axial stiffness, preload class C | 246 N/µm |
| Preload class D GD | 2320 N |
| Static axial stiffness, preload class D | 361 N/µm |
| Calculation factor f | 1.26 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.04 |
| Calculation factor f2C | 1.09 |
| Calculation factor f2D | 1.15 |
| Calculation factor fHC | 1 |
| Calculation factor f0 | 16.5 |
| Mass bearing | 1.15 kg |
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