Bearing 31308-A

Bearing 31308-A images Bearing 31308-A images
From: Tapered Roller Bearings
Tapered Roller Bearings Bearing 31308-A Related parameters
Name Value
Bearing number 31308-A
Size (mm) 40x90x25.25
Brand MBY
Bore Diameter (mm) 40
Outer Diameter (mm) 90
Width (mm) 25,25
Bearing dimensions and specification
Name Value
d 40 mm
D 90 mm
T 25,25 mm
a 30 mm
B 23 mm
C 17 mm
Ca min 4 mm
Cb min 8 mm
Da max 81 mm
Da min 71 mm
Db min 86 mm
d1 68,2 mm
da max 51 mm
db min 49 mm
r1, 2 min 2 mm
r3, 4 min 1,5 mm
ra max 2 mm
rb max 1,5 mm
m 0,727 kg / Weight
Cr 76000 N
C0r 83000 N / Static load rating (radial)
e 0,83
Y 0,73
Y0 0,4
Cur 9500 N / Fatigue limit load, radial
nG 8000 1/min / Limiting speed
nB 5200 1/min / Reference speed

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