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KOYO 30248R tapered roller bearings - Industrial Bearing

  KOYO 30248R tapered roller bearings

KOYO 30248R tapered roller bearings pdf

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

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