TIMKEN LM12711 Tapered Roller Bearings
| Bearing number: | 71907 CD/HCP4A |
| Size (mm): | 55x35x10 |
| Bore Diameter (mm): | 55 |
| Outer Diameter (mm): | 35 |
| Width (mm): | 10 |
| d: | 35 mm |
| D: | 55 mm |
| B: | 10 mm |
Product Details
| Bearing number | 71907 CD/HCP4A |
| Size (mm) | 55x35x10 |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 35 |
| Width (mm) | 10 |
| d | 35 mm |
| D | 55 mm |
| B | 10 mm |
| d1 | 41.6 mm |
| d2 | 41.6 mm |
| D1 | 48.4 mm |
| r1,2 - min. | 0.6 mm |
| r3,4 - min. | 0.3 mm |
| a | 11.1 mm |
| da - min. | 38.2 mm |
| db - min. | 38.2 mm |
| Da - max. | 51.8 mm |
| Db - max. | 53.6 mm |
| ra - max. | 0.6 mm |
| rb - max. | 0.3 mm |
| dn | 43 mm |
| Basic dynamic load rating - C | 9.8 kN |
| Basic static load rating - C0 | 6.6 kN |
| Fatigue load limit - Pu | 0.275 kN |
| Limiting speed for grease lubrication | 32000 r/min |
| Limiting speed for oil lubrication | 45000 mm/min |
| Ball - Dw | 5.556 mm |
| Ball - z | 21 |
| Gref | 0.93 cm3 |
| Calculation factor - f0 | 10.4 |
| Preload class A - GA | 35 N |
| Preload class B - GB | 70 N |
| Preload class C - GC | 140 N |
| Preload class D - GD | 280 N |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.07 |
| Calculation factor - f2C | 1.12 |
| Calculation factor - f2D | 1.18 |
| Calculation factor - fHC | 1.04 |
| Preload class A | 35 N/micron |
| Preload class B | 47 N/micron |
| Preload class C | 64 N/micron |
| Preload class D | 91 N/micron |
| r1,2 min. | 0.6 mm |
| r3,4 min. | 0.3 mm |
| da min. | 38.2 mm |
| db min. | 38.2 mm |
| Da max. | 51.8 mm |
| Db max. | 53.6 mm |
| ra max. | 0.6 mm |
| rb max. | 0.3 mm |
| Basic dynamic load rating C | 9.75 kN |
| Basic static load rating C0 | 6.55 kN |
| Fatigue load limit Pu | 0.275 kN |
| Attainable speed for grease lubrication | 32000 r/min |
| Attainable speed for oil-air lubrication | 45000 r/min |
| Ball diameter Dw | 5.556 mm |
| Number of balls z | 21 |
| Reference grease quantity Gref | 0.93 cm³ |
| Preload class A GA | 35 N |
| Static axial stiffness, preload class A | 35 N/µm |
| Preload class B GB | 70 N |
| Static axial stiffness, preload class B | 47 N/µm |
| Preload class C GC | 140 N |
| Static axial stiffness, preload class C | 64 N/µm |
| Preload class D GD | 280 N |
| Static axial stiffness, preload class D | 91 N/µm |
| Calculation factor f | 1.1 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.07 |
| Calculation factor f2C | 1.12 |
| Calculation factor f2D | 1.18 |
| Calculation factor fHC | 1.04 |
| Calculation factor f0 | 10.4 |
| Mass bearing | 0.068 kg |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
