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Cuscinetto radiale a rullini ed assiali a rulli cilindrici - ZARF2068-L-TV

Cuscinetto radiale a rullini ed assiali a rulli cilindrici
Marchio: Schaeffler

Descrizione

Cuscinetti combinati radiali a rullini e assiali a rulli cilindrici ZARF..-L, azione bilaterale, avvitabile, ralla lunga per albero
Specifiche di prodotto
Bore diameter 20 mm
Outside diameter 68 mm
Height 60 mm
Basic dynamic load rating, axial 33.500 N
Basic static load rating, axial 76.000 N
Basic dynamic load rating, radial 14.900 N
Basic static load rating, radial 22.400 N
Fatigue load limit, axial 6.400 N
Fatigue load limit, radial 3.400 N
Limiting speed for oil lubrication 7.000 1/min
Limiting speed for grease lubrication 2.000 1/min
Bearing friction torque 0,5 Nm
Peso 0,534 kg
Maximum diameter of housing shoulder 43 mm
Minimum diameter shaft shoulder 28 mm
Height outer ring over wave washer 43 mm
Width, outer ring 14 mm
Distance to lubrication hole 8 mm
Rip diameter shaft washer 42 mm
Heeldiameter wave washer long 30 mm
Outside diameter wave washer long 40 mm
Width, wave washer 10 mm
Width wave washer long 24 mm
Width heel wave washer long 12 mm
Minimum chamfer dimension 0,3 mm
Minimum chamfer dimension 1 0,6 mm
Diameter lubrication hole 3,2 mm
Pitch circle diameter (holes) 53 mm
Number (screwing holes) 8
Split 45 °
Operating temperature min. -30 °C
Operating temperature max. 120 °C
Rigidity axial 1.800 N/µm
Tilting stiffness 230 Nm/mrad
Mass moment of inertia 0,683 kg * cm²
Axial runout 1 µm
Recommended INA precision locknut for radial locking (not included) ZMA20/38
Recommended INA precision locknut for axial locking (not included) AM20
Tightening torque nut 18 Nm
Required locknut force 8.972 N
Rotary shaft seal to DIN 3760 (not included) 30X42X7
Size fixing screws DIN EN ISO 4762 10.9 (not included) M6
Number of screws 8
Division (screwing holes) 45 °
Gabbia in plastica TV
Stepped shaft locating washer extended on one side L

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