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Bearing 31308-A (FAG)

Tapered roller bearings 31308-A

Bearing number : 31308-A

Size (mm) : 40x90x25.25

Brand : FAG

Bore Diameter (mm) : 40

Outer Diameter (mm) : 90

Width (mm) : 25,25

Bearing dimensions and specification in FAG catalogue:

d - 40 mm

D - 90 mm

T - 25,25 mm

a - 30 mm

B - 23 mm

C - 17 mm

C_{a min} - 4 mm

C_{b min} - 8 mm

D_{a max} - 81 mm

D_{a min} - 71 mm

D_{b min} - 86 mm

d₁ - 68,2 mm

d_{a max} - 51 mm

d_{b min} - 49 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 - 0,727 kg / Weight

C_r - 76000 N

C_0r - 83000 N / Static load rating (radial)

e - 0,83

Y - 0,73

Y₀ - 0,4

C_ur - 9500 N / Fatigue limit load, radial

n_G - 8000 1/min / Limiting speed

n_B - 5200 1/min / Reference speed

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

Tags :  FAG , 40x90x25.25