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Bearing 31304 (FAG)

Tapered roller bearings 31304

Bearing number : 31304

Size (mm) : 20x52x16.25

Brand : FAG

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 16,25

Bearing dimensions and specification in FAG catalogue:

d - 20 mm

D - 52 mm

T - 16,25 mm

a - 16 mm

B - 15 mm

C - 11 mm

C_{a min} - 3 mm

C_{b min} - 5 mm

D_{a max} - 45 mm

D_{a min} - 40 mm

D_{b min} - 48 mm

d₁ - 37,3 mm

d_{a max} - 27 mm

d_{b min} - 27 mm

r_{1, 2 min} - 1,5 mm

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

r_{a max} - 1,5 mm

r_{b max} - 1,5 mm

m - 0,174 kg / Weight

C_r - 30500 N

C_0r - 29500 N / Static load rating (radial)

e - 0,73

Y - 0,82

Y₀ - 0,45

C_ur - 3350 N / Fatigue limit load, radial

n_G - 14900 1/min / Limiting speed

n_B - 8400 1/min / Reference speed

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

Tags :  FAG , 20x52x16.25