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Bearing number : 31311-A
Size (mm) : 55x120x31.5
Brand : FAG
Bore Diameter (mm) : 55
Outer Diameter (mm) : 120
Width (mm) : 31,5
d - 55 mm
D - 120 mm
T - 31,5 mm
a - 39 mm
B - 29 mm
C - 21 mm
Ca min - 4 mm
Cb min - 10,5 mm
Da max - 110 mm
Da min - 94 mm
Db min - 113 mm
d1 - 88 mm
da max - 68 mm
db min - 65 mm
r1, 2 min - 2,5 mm
r3, 4 min - 2 mm
ra max - 2,5 mm
rb max - 2 mm
m - 1,57 kg / Weight
Cr - 123000 N
C0r - 139000 N / Static load rating (radial)
e - 0,83
Y - 0,73
Y0 - 0,4
Cur - 16400 N / Fatigue limit load, radial
nG - 5900 1/min / Limiting speed
nB - 4100 1/min / Reference speed
Main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs