d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

b - 3,1 mm

d1 - 75,3 mm

r0 max. - 0,6 mm

r1 min. - 2 mm

r2 min. - 2 mm

C - 4,06 mm

D2 - 104 mm

D3 - 115,21 mm

D4 - 129,7 mm

Ca max. - 6,88 mm

da min. - 3,5 mm

da max - 66 mm

Da max. - 109 mm

Db min. - 131 mm

ra max. - 2 mm

Weight - 1,35 Kg

Basic dynamic load rating (C) - 74,1 kN

Basic static load rating (C0) - 45 kN

Fatigue load limit (Pu) - 1,9

Reference speed - 12000 r/min

Limiting speed - 8000 r/min

Calculation factor (f0) - 13

Calculation factor (kr) - 0,03

• Model Number: 6311N
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:Gas turbine,air shower etc,circulating pump,car,security equipment,Rolling mill,Laser Devices,medical equipment,rehabilitation training equipment,power protection,test laboratory equipment and accessories
• Similar models:ISB 6311 SKF 6311 ISB 6311-ZNR SIGMA 6311 CYSD 6311-RS NACHI 6311ZENR SKF 6311-2Z/VA208 SKF 6311-2ZNR PFI 6311-2RSC3 SKF 6311-RS1
• BEARING POWER International Trading Co.,Ltd. specialize in 6311N products，there is large inventory of SKF 6311N . We has been built up long-term cooperation with SKF company, could make a bulk order of the 6311N Which SKF 6311N 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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