d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

a - 4,06 mm

b - 3,25 mm

f - 2,77 mm

r min. - 2 mm

r0 max. - 0,6 mm

r1 min. - 0,5 mm

D1 - 115,21 mm

D2 - 129,7 mm

da min. - 64 mm

Da max. - 111 mm

Weight - 1,37 Kg

Basic dynamic load rating (C) - 71,6 kN

Basic static load rating (C0) - 45 kN

(Grease) Lubrication Speed - 5600 r/min

(Oil) Lubrication Speed - 6700 r/min

Calculation factor (f0) - 13,2

• Model Number: 6311N
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-21
• Application:Automation,organic raw materials,boring bar boring bar,lathe,Laser Devices,circulating pump,Medical room equipment,water protection,packaging materials,experimental equipment,auto tools
• Similar models:ISB 6311-2RS ISB 6311-ZNR BB Bearing 163110-2RS AST 6311-2RS MB Bearing MR163110-2RS NACHI 6311-2NSE NACHI 6311N ISB 6311N PFI 6311-2RSC3 AST 6311
• BEARING POWER International Trading Co.,Ltd. specialize in 6311N products，there is large inventory of KOYO 6311N . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 6311N Which KOYO 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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