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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