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IKO BR 142212 needle roller bearings - Industrial Bearing

  IKO BR 142212 needle roller bearings

IKO BR 142212 needle roller bearings pdf

IKO BR 142212 needle roller bearings Needs Analysis , Manufacturing 115x75x20 Size (mm) Service . Get Your Free.

Size (mm) 115x75x20
Bore Diameter (mm) 115
Outer Diameter (mm) 75
Width (mm) 20
d 75 mm
D 115 mm
B 20 mm
d1 90 mm
d2 88.2 mm
D2 102.8 mm
b 1.5 mm
C1 10.9 mm
C2 4.4 mm
C3 2.9 mm
r1,2 – min. 1.1 mm
r3,4 – min. 0.6 mm
a 22.3 mm
da – min. 81 mm
db – min. 81 mm
Da – max. 109 mm
Db – max. 111.8 mm
ra – max. 1 mm
rb – max. 0.6 mm
dn 91.1 mm
Basic dynamic load rating – C 19.9 kN
Basic static load rating – C0 17.6 kN
Fatigue load limit – Pu 0.75 kN
Limiting speed for grease lubrication 16000 r/min
Limiting speed for oil lubrication 24000 mm/min
Ball – Dw 7.938 mm
Ball – z 30
Gref 7.7 cm3
Calculation factor – f0 9.7
Preload class A – GA 65 N
Preload class B – GB 130 N
Preload class C – GC 390 N
Calculation factor – f 1
Calculation factor – f2A 1
Calculation factor – f2B 1.02
Calculation factor – f2C 1.05
Calculation factor – fHC 1
Preload class A 50 N/micron
Preload class B 65 N/micron
Preload class C 104 N/micron
r1,2 min. 1.1 mm
r3,4 min. 0.6 mm
da min. 81 mm
db min. 81 mm
Da max. 109 mm
Db max. 111.8 mm
ra max. 1 mm
rb max. 0.6 mm
Basic dynamic load rating C 26.5 kN
Basic static load rating C0 29 kN
Fatigue load limit Pu 0.75 kN
Attainable speed for grease lubrication 16000 r/min
Attainable speed for oil-air lubrication 24000 r/min
Ball diameter Dw 7.938 mm
Number of balls z 30
Reference grease quantity Gref 7.7 cm³
Preload class A GA 65 N
Static axial stiffness, preload class A 50 N/µm
Preload class B GB 130 N
Static axial stiffness, preload class B 65 N/µm
Preload class C GC 390 N
Static axial stiffness, preload class C 104 N/µm
Calculation factor f 1.08
Calculation factor f1 1
Calculation factor f2A 1
Calculation factor f2B 1.02
Calculation factor f2C 1.05
Calculation factor fHC 1
Calculation factor f0 9.7
Mass bearing 0.7 kg

      Detailed Parameters

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