Bearing 1228-M (FAG)

Self-aligning ball bearings 1228-M

Bearing number : 1228-M

Size (mm) : 140x250x50

Brand : FAG

Bore Diameter (mm) : 140

Outer Diameter (mm) : 250

Width (mm) : 50

Bearing dimensions and specification in FAG catalogue:

d - 140 mm

D - 250 mm

B - 50 mm

C₁ - 2,7 mm

D₁ - 221,2 mm

D_{a max} - 236 mm

d₁ - 175 mm

d_{a min} - 154 mm

r_{a max} - 2,5 mm

r_min - 3 mm

m - 11,2 kg / Weight

C_r - 163000 N / Dynamic load rating (radial)

e - 0,21

Y₁ - 3,05

Y₂ - 4,71

C_0r - 74000 N / Static load rating (radial)

Y₀ - 3,19

n_G - 4300 1/min / Limiting speed

n_B - 4950 1/min / Reference speed

C_ur - 3300 N

Main dimensions to DIN 630

Designation

Bore Dia, mm

Outer Dia, mm: