d - 55 mm

D - 120 mm

B - 29 mm

d₁ - - 75.34 mm

D₂ - - 103.7 mm

r_1,2 - min. - 2 mm

d_a - min. - 66 mm

D_a - max. - 109 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 74.1 kN

Basic static load rating - C₀ - 45 kN

Fatigue load limit - P_u - 1.9 kN

Reference speed - 12000 r/min

Limiting speed - 8000 r/min

Calculation factor - k_r - 0.03

Calculation factor - f₀ - 13.1

Mass bearing - 1.373 kg

• Model Number:6311
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2026-01-13
• Application:chemical,non-motor vehicle Electric car,wire industry,electromagnetic clutch,walking Food processing machinery and equipment,Spectrum Products,storage and transportation equipment,machine lathe,magnetic elements,animal,test equipment
• Similar models:SKF 6311 KOYO 6311Z NKE 6311-2Z-N SKF 6311-2RS1 NSK 6311ZZ NSK 6311DDU NKE 6311-N SKF 6311-2Z/VA208 NKE 6311-Z-N KOYO 6311
• BEARING POWER International Trading Co.,Ltd. specialize in 6311 products，there is large inventory of SKF 6311 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 6311 Which SKF 6311 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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