Bearing RNA 6906 JNS -

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Bearing RNA 6906 JNS image

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Bearing RNA 6906 JNS Characteristics

Bearing number:71911 CB/P4AL
Size (mm):80x55x13
Bore Diameter (mm):80
Outer Diameter (mm):55
Width (mm):13
d:55 mm
D:80 mm
B:13 mm
d1:63.94 mm
d2:62.7 mm
D2:73.2 mm
b:2 mm
C1:6.5 mm
C2:3.8 mm
C3:1.7 mm
r1,2 - min.:1 mm
r3,4 - min.:0.3 mm
a:18.8 mm
da - min.:59.6 mm
db - min.:59.6 mm
Da - max.:75.4 mm
Db - max.:78 mm
ra - max.:1 mm
rb - max.:0.3 mm
dn:64.8 mm
Basic dynamic load rating - C:10 kN
Basic static load rating - C0:8.2 kN
Fatigue load limit - Pu:0.345 kN
Limiting speed for grease lubrication:22000 r/min
Limiting speed for oil lubrication:34000 mm/min
Ball - Dw:5.556 mm
Ball - z:28
Gref:2.58 cm3
Calculation factor - f0:9.8
Preload class A - GA:33 N
Preload class B - GB:66 N
Preload class C - GC:200 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:34 N/micron
Preload class B:45 N/micron
Preload class C:73 N/micron
r1,2 min.:1 mm
r3,4 min.:0.3 mm
da min.:59.6 mm
db min.:59.6 mm
Da max.:75.4 mm
Db max.:78 mm
ra max.:1 mm
rb max.:0.3 mm
Basic dynamic load rating C:13.5 kN
Basic static load rating C0:13.7 kN
Fatigue load limit Pu:0.345 kN
Attainable speed for grease lubrication:22000 r/min
Attainable speed for oil-air lubrication:34000 r/min
Ball diameter Dw:5.556 mm
Number of balls z:28
Reference grease quantity Gref:2.58 cm³
Preload class A GA:33 N
Static axial stiffness, preload class A:34 N/µm
Preload class B GB:66 N
Static axial stiffness, preload class B:45 N/µm
Preload class C GC:200 N
Static axial stiffness, preload class C:73 N/µm
Calculation factor f:1.09
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.02
Calculation factor f2C:1.07
Calculation factor fHC:1
Calculation factor f0:9.8
Mass bearing:0.18 kg

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