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Bearing 31309-A (FAG)

Tapered roller bearings 31309-A

Bearing number : 31309-A

Size (mm) : 45x100x27.25

Brand : FAG

Bore Diameter (mm) : 45

Outer Diameter (mm) : 100

Width (mm) : 27,25

Bearing dimensions and specification in FAG catalogue:

d - 45 mm

D - 100 mm

T - 27,25 mm

a - 32 mm

B - 25 mm

C - 18 mm

C_{a min} - 4 mm

C_{b min} - 9 mm

D_{a max} - 91 mm

D_{a min} - 79 mm

D_{b min} - 95 mm

d₁ - 75,8 mm

d_{a max} - 56 mm

d_{b min} - 54 mm

r_{1, 2 min} - 2 mm

r_{3, 4 min} - 1,5 mm

r_{a max} - 2 mm

r_{b max} - 1,5 mm

m - 0,998 kg / Weight

C_r - 96000 N

C_0r - 108000 N / Static load rating (radial)

e - 0,83

Y - 0,73

Y₀ - 0,4

C_ur - 12700 N / Fatigue limit load, radial

n_G - 7100 1/min / Limiting speed

n_B - 4650 1/min / Reference speed

Main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs

Tags :  FAG , 45x100x27.25