KOYO BTM2025 needle roller bearings
KOYO BTM2025 needle roller bearings manufacturer and global supplier of reliable ball and roller … KOYO BTM2025 needle roller bearings Industries Products Manufacturing & Engineering and Agricultural 75x115x20 Size (mm) Bearings designed 115 Outer Diameter (mm) to meet the unique requirements of our targeted industries.
| Size (mm) | 75x115x20 |
| Bore Diameter (mm) | 75 |
| Outer Diameter (mm) | 115 |
| Width (mm) | 20 |
| d | 75 mm |
| D | 115 mm |
| B | 20 mm |
| C | 20 mm |
| d1 | 90.6 mm |
| r1 min. | 1,1 mm |
| r2 min. | 1,1 mm |
| r3 min. | 0,6 mm |
| r4 min. | 0,6 mm |
| E | 105 mm |
| da min. | 81.5 mm |
| Da min | 106 mm |
| Da max. | 108.5 mm |
| rb max. | 1 mm |
| S | 3 mm |
| dh | 103,5 mm |
| Weight | 0,57 Kg |
| Basic dynamic load rating (C) | 56,1 kN |
| Basic static load rating (C0) | 75 kN |
| (Grease) Lubrication Speed | 9 500 r/min |
| (Oil) Lubrication Speed | 11 000 r/min |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| s max. | 3 mm |
| Da min. | 106 mm |
| ra max. | 1 mm |
| dn | 103.5 mm |
| Basic dynamic load rating C | 56.1 kN |
| Basic static load rating C0 | 75 kN |
| Fatigue load limit Pu | 8.8 kN |
| Attainable speed for grease lubrication | 9500 r/min |
| Attainable speed for oil-air lubrication | 11000 r/min |
| Reference grease quantity Gref | 7.1 cm³ |
| Static radial stiffness (guideline value) | 1090 N/µm |
| Mass bearing | 0.57 kg |
Detailed Parameters
parameter：
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