d - 55 mm

D - 120 mm

B - 29 mm

d₁ - - 70.5 mm

D₁ - - 97.8 mm

a - 61 mm

h - 8.1 mm

b - 6.5 mm

r₀ - 1 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 - 137 kN

Basic static load rating - C₀ - 118 kN

Fatigue load limit - P_u - 5 kN

Reference speed - 7000 r/min

Limiting speed - 10000 r/min

Calculation factor - k_a - 1.1

Calculation factor - e - 0.95

Calculation factor - X - 0.6

Calculation factor - Y₀ - 0.58

Calculation factor - Y₁ - 0.66

Calculation factor - Y₂ - 1.07

Mass bearing - 1.75 kg

• Model Number:QJ 311 N2MA
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Angular Contact Ball Bearings
• Update date：2023-03-05
• Application:sheet industry,air shower etc,Laser Cutting,mechanical and electrical,food add,Equipment,air purification,printing machinery,scientific instruments,bathroom facilities,security equipment
• Similar models:FAG 7311-B-JP FAG 3311-BD SKF 7311BECBP SNR 3311A Timken 5311K FBJ 7311B ISO 7311ADT NSK 5311 CYSD 7311DT CYSD 7311BDT
• BEARING POWER International Trading Co.,Ltd. specialize in QJ311N2MA products，there is large inventory of SKF QJ 311 N2MA . We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 311 N2MA Which SKF QJ311N2MA 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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