d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

r min. - 2 mm

da min. - 64 mm

da max - 74 mm

Da max. - 111 mm

ra max. - 2 mm

Weight - 1,37 Kg

Basic dynamic load rating (C) - 71,5 kN

Basic static load rating (C0) - 45 kN

(Grease) Lubrication Speed - 5 800 r/min

(Oil) Lubrication Speed - 6 800 r/min

Calculation factor (f0) - 13,2

• Model Number: 6311
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-17
• Application:Embroidery,injection molding machine,Grinding and polishing equipment,chuck industry,Logistics Equipment,comprehensive experiment,medical equipment,walking Food processing machinery and equipment,aerial work platform,Blood coagulation reagent,rehabilitation training equipment
• Similar models:ISB 6311NR SKF 6311-2RS1 ZEN 6311-2RS NKE 6311-Z-N ISB 6311 SKF 6311M NSK 6311VV NACHI 6311ZENR NACHI 6311NSE PFI 6311-2RSC3
• BEARING POWER International Trading Co.,Ltd. specialize in 6311 products，there is large inventory of NTN 6311 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 6311 Which NTN 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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