Bearing 31328-X (FAG)

Tapered roller bearings 31328-X

Bearing number : 31328-X

Size (mm) : 140x300x77

Brand : FAG

Bore Diameter (mm) : 140

Outer Diameter (mm) : 300

Width (mm) : 77

Bearing dimensions and specification in FAG catalogue:

d - 140 mm

D - 300 mm

T - 77 mm

a - 94 mm

B - 70 mm

C - 47 mm

C_{a min} - 9 mm

C_{b min} - 30 mm

D_{a max} - 282 mm

D_{a min} - 235 mm

D_{b min} - 280 mm

d₁ - 223 mm

d_{a max} - 169 mm

d_{b min} - 158 mm

r_{1, 2 min} - 5 mm

r_{3, 4 min} - 4 mm

r_{a max} - 5 mm

r_{b max} - 4 mm

m - 23 kg / Weight

C_r - 700000 N

C_0r - 910000 N / Static load rating (radial)

e - 0,83

Y - 0,73

Y₀ - 0,4

C_ur - 103000 N / Fatigue limit load, radial

n_G - 2250 1/min / Limiting speed

n_B - 1670 1/min / Reference speed

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

Designation

Bore Dia, mm

Outer Dia, mm: