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SNR EC12531 tapered roller bearings - Industrial Bearing

  SNR EC12531 tapered roller bearings

SNR EC12531 tapered roller bearings pdf

SNR EC12531 tapered roller bearings Manufacturers , Online Wholesale Suppliers‎ ! 110x70x20 Size (mm) 110 Bore Diameter (mm)

Size (mm) 110x70x20
Bore Diameter (mm) 110
Outer Diameter (mm) 70
Width (mm) 20
d 70 mm
D 110 mm
B 20 mm
d1 84.3 mm
d2 81.6 mm
D1 95.32 mm
r1,2 – min. 1.1 mm
r3,4 – min. 0.6 mm
a 31.2 mm
da – min. 76 mm
db – min. 76 mm
Da – max. 104 mm
Db – max. 105.8 mm
ra – max. 1 mm
rb – max. 0.6 mm
dn 86.5 mm
Basic dynamic load rating – C 22.5 kN
Basic static load rating – C0 17.3 kN
Fatigue load limit – Pu 0.735 kN
Limiting speed for grease lubrication 18500 r/min
Limiting speed for oil lubrication 29000 mm/min
Ball – Dw 9.525 mm
Ball – z 25
Gref 8.2 cm3
Calculation factor – e 0.68
Calculation factor – Y2 1.41
Calculation factor – Y0 0.76
Calculation factor – X2 0.67
Calculation factor – Y1 0.92
Preload class A – GA 200 N
Preload class B – GB 610 N
Preload class C – GC 1220 N
Calculation factor – f 1.09
Calculation factor – f1 0.99
Calculation factor – f2A 1
Calculation factor – f2B 1.03
Calculation factor – f2C 1.06
Calculation factor – fHC 1.01
Preload class A 159 N/micron
Preload class B 238 N/micron
Preload class C 311 N/micron
r1,2 min. 1.1 mm
r3,4 min. 0.6 mm
da min. 76 mm
db min. 76 mm
Da max. 104 mm
Db max. 105.8 mm
ra max. 1 mm
rb max. 0.6 mm
Basic dynamic load rating C 22.5 kN
Basic static load rating C0 17.3 kN
Fatigue load limit Pu 0.735 kN
Attainable speed for grease lubrication 18500 r/min
Attainable speed for oil-air lubrication 29000 r/min
Ball diameter Dw 9.525 mm
Number of balls z 25
Reference grease quantity Gref 8.2 cm³
Preload class A GA 200 N
Static axial stiffness, preload class A 159 N/µm
Preload class B GB 610 N
Static axial stiffness, preload class B 238 N/µm
Preload class C GC 1220 N
Static axial stiffness, preload class C 311 N/µm
Calculation factor f 1.09
Calculation factor f1 0.99
Calculation factor f2A 1
Calculation factor f2B 1.03
Calculation factor f2C 1.06
Calculation factor fHC 1.01
Calculation factor e 0.68
Calculation factor (single, tandem) Y2 0.87
Calculation factor (single, tandem) Y0 0.38
Calculation factor (single, tandem) X2 0.41
Calculation factor (back-to-back, face-to-face) Y1 0.92
Calculation factor (back-to-back, face-to-face) Y2 1.41
Calculation factor (back-to-back, face-to-face) Y0 0.76
Calculation factor (back-to-back, face-to-face) X2 0.67
Mass bearing 0.56 kg

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