KOYO 30248R tapered roller bearings
KOYO 30248R tapered roller bearings Product Brochures , 95 Outer Diameter (mm) Manufacturing 130x95x18 Size (mm) Service . Get Your Free.
| Size (mm) | 130x95x18 |
| Bore Diameter (mm) | 130 |
| Outer Diameter (mm) | 95 |
| Width (mm) | 18 |
| d | 95 mm |
| D | 130 mm |
| B | 18 mm |
| d1 | 107.94 mm |
| d2 | 106.36 mm |
| D2 | 120.7 mm |
| r1,2 – min. | 1.1 mm |
| r3,4 – min. | 0.6 mm |
| a | 28.2 mm |
| da – min. | 101 mm |
| db – min. | 101 mm |
| Da – max. | 124 mm |
| Db – max. | 126.8 mm |
| ra – max. | 1 mm |
| rb – max. | 0.6 mm |
| dn | 109 mm |
| Basic dynamic load rating – C | 18.2 kN |
| Basic static load rating – C0 | 18.6 kN |
| Fatigue load limit – Pu | 0.75 kN |
| Limiting speed for grease lubrication | 13000 r/min |
| Limiting speed for oil lubrication | 20000 mm/min |
| Ball – Dw | 7.144 mm |
| Ball – z | 38 |
| Gref | 7.5 cm3 |
| Calculation factor – f0 | 10 |
| Preload class A – GA | 60 N |
| Preload class B – GB | 120 N |
| Preload class C – GC | 360 N |
| Calculation factor – f | 1 |
| Calculation factor – f2A | 1 |
| Calculation factor – f2B | 1.02 |
| Calculation factor – f2C | 1.07 |
| Calculation factor – fHC | 1 |
| Preload class A | 56 N/micron |
| Preload class B | 73 N/micron |
| Preload class C | 117 N/micron |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 101 mm |
| db min. | 101 mm |
| Da max. | 124 mm |
| Db max. | 126.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 24.7 kN |
| Basic static load rating C0 | 30 kN |
| Fatigue load limit Pu | 0.75 kN |
| Attainable speed for grease lubrication | 13000 r/min |
| Attainable speed for oil-air lubrication | 20000 r/min |
| Ball diameter Dw | 7.144 mm |
| Number of balls z | 38 |
| Reference grease quantity Gref | 7.5 cm³ |
| Preload class A GA | 60 N |
| Static axial stiffness, preload class A | 56 N/µm |
| Preload class B GB | 120 N |
| Static axial stiffness, preload class B | 73 N/µm |
| Preload class C GC | 360 N |
| Static axial stiffness, preload class C | 117 N/µm |
| Calculation factor f | 1.13 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.07 |
| Calculation factor fHC | 1 |
| Calculation factor f0 | 10 |
| Mass bearing | 0.61 kg |
Detailed Parameters
parameter：
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