Bearing 31307-A (FAG)

Tapered roller bearings 31307-A

Bearing number : 31307-A

Size (mm) : 35x80x22.75

Brand : FAG

Bore Diameter (mm) : 35

Outer Diameter (mm) : 80

Width (mm) : 22,75

Bearing dimensions and specification in FAG catalogue:

d - 35 mm

D - 80 mm

T - 22,75 mm

a - 26 mm

B - 21 mm

C - 15 mm

C_{a min} - 4 mm

C_{b min} - 7,5 mm

D_{a max} - 71 mm

D_{a min} - 62 mm

D_{b min} - 76 mm

d₁ - 59,9 mm

d_{a max} - 44 mm

d_{b min} - 44 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 - 0,582 kg / Weight

C_r - 60000 N

C_0r - 64000 N / Static load rating (radial)

e - 0,83

Y - 0,73

Y₀ - 0,4

C_ur - 7500 N / Fatigue limit load, radial

n_G - 9100 1/min / Limiting speed

n_B - 5800 1/min / Reference speed

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

Designation

Bore Dia, mm

Outer Dia, mm: