d - 220 mm

D - 309.5 mm

B - 76 mm

d₁ - - 252.5 mm

D₁ - - 286 mm

b - 22 mm

K - 7.5 mm

r_1,2 - min. - 2.1 mm

a - 146 mm

d_a - min. - 225 mm

D_a - max. - 284 mm

r_a - max. - 2.1 mm

Basic dynamic load rating - C - 312 kN

Basic static load rating - C₀ - 520 kN

Fatigue load limit - P_u - 13.4 kN

Reference speed - 1700 r/min

Limiting speed - 2000 r/min

Calculation factor - k_r - 0.095

Calculation factor - e - 0.86

Calculation factor - X - 0.62

Calculation factor - Y₀ - 0.63

Calculation factor - Y₁ - 0.73

Calculation factor - Y₂ - 1.17

Mass bearing - 17.65 kg

• Model Number:305272 D
• Inner Diameter：309,5mm Outer Diameter：220mm Width：76mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-11
• Application:injection molding machine,car instrument,switch,light therapy instrument,Sensors,root canal filling,Roller,Leather Products,Pump,dynamic blood pressure,
• Similar models:KOYO 305272-1 SKF 305272D
• BEARING POWER International Trading Co.,Ltd. specialize in 305272D products，there is large inventory of SKF 305272 D . We has been built up long-term cooperation with SKF company, could make a bulk order of the 305272 D Which SKF 305272D is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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