NTN 1R80X90X25V1 Roller Bearings
| Bearing number: | 71901 ACE/HCP4A |
| Size (mm): | 24x12x6 |
| Bore Diameter (mm): | 24 |
| Outer Diameter (mm): | 12 |
| Width (mm): | 6 |
| d: | 12 mm |
| D: | 24 mm |
| B: | 6 mm |
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Product Details
| Bearing number | 71901 ACE/HCP4A |
| Size (mm) | 24x12x6 |
| Bore Diameter (mm) | 24 |
| Outer Diameter (mm) | 12 |
| Width (mm) | 6 |
| d | 12 mm |
| D | 24 mm |
| B | 6 mm |
| d1 | 16 mm |
| d2 | 15.26 mm |
| D1 | 19.95 mm |
| r1,2 - min. | 0.3 mm |
| r3,4 - min. | 0.15 mm |
| a | 7.7 mm |
| da - min. | 14 mm |
| db - min. | 14 mm |
| Da - max. | 22 mm |
| Db - max. | 23.2 mm |
| ra - max. | 0.3 mm |
| rb - max. | 0.15 mm |
| dn | 16.8 mm |
| Basic dynamic load rating - C | 2 kN |
| Basic static load rating - C0 | 0.865 kN |
| Fatigue load limit - Pu | 0.036 kN |
| Limiting speed for grease lubrication | 98000 r/min |
| Limiting speed for oil lubrication | 150000 mm/min |
| Ball - Dw | 3.175 mm |
| Ball - z | 12 |
| Gref | 0.1 cm3 |
| Calculation factor - e | 0.68 |
| Calculation factor - Y2 | 1.41 |
| Calculation factor - Y0 | 0.76 |
| Calculation factor - X2 | 0.67 |
| Calculation factor - Y1 | 0.92 |
| Preload class A - GA | 18 N |
| Preload class B - GB | 55 N |
| Preload class C - GC | 110 N |
| Calculation factor - f | 1.04 |
| Calculation factor - f1 | 0.98 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.04 |
| Calculation factor - f2C | 1.08 |
| Calculation factor - fHC | 1.01 |
| Preload class A | 30 N/micron |
| Preload class B | 45 N/micron |
| Preload class C | 59 N/micron |
| r1,2 min. | 0.3 mm |
| r3,4 min. | 0.15 mm |
| da min. | 14 mm |
| db min. | 14 mm |
| Da max. | 22 mm |
| Db max. | 23.2 mm |
| ra max. | 0.3 mm |
| rb max. | 0.15 mm |
| Basic dynamic load rating C | 2.03 kN |
| Basic static load rating C0 | 0.865 kN |
| Fatigue load limit Pu | 0.036 kN |
| Attainable speed for grease lubrication | 98000 r/min |
| Attainable speed for oil-air lubrication | 150000 r/min |
| Ball diameter Dw | 3.175 mm |
| Number of balls z | 12 |
| Reference grease quantity Gref | 0.1 cm³ |
| Preload class A GA | 18 N |
| Static axial stiffness, preload class A | 30 N/µm |
| Preload class B GB | 55 N |
| Static axial stiffness, preload class B | 45 N/µm |
| Preload class C GC | 110 N |
| Static axial stiffness, preload class C | 59 N/µm |
| Calculation factor f | 1.04 |
| Calculation factor f1 | 0.98 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.04 |
| Calculation factor f2C | 1.08 |
| Calculation factor fHC | 1.01 |
| Calculation factor e | 0.68 |
| Calculation factor (single, tandem) Y2 | 0.87 |
| Calculation factor (single, tandem) Y0 | 0.38 |
| Calculation factor (single, tandem) X2 | 0.41 |
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Calculation factor (back-to-back, face-to-face) Y0 | 0.76 |
| Calculation factor (back-to-back, face-to-face) X2 | 0.67 |
| Mass bearing | 0.009 kg |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
