d - 4,762 mm

D - 7,938 mm

B - 2,779 mm

C - 2,779 mm

r min. - 0,08 mm

Weight - 0,0004 Kg

Basic dynamic load rating (C) - 0,26 kN

Basic static load rating (C0) - 0,12 kN

(Grease) Lubrication Speed - 59000 r/min

(Oil) Lubrication Speed - 70000 r/min

• Model Number: OB81
• Inner Diameter：4,762mm Outer Diameter：7,938mm Width：2,779mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:Cylinder Pneumatic Treatment Element,Machine tools,sterilizers,forklift industry,storage and transportation equipment,equipment,multi-knife lathe,sleep monitoring,Cylinder Special,medical equipment,outdoor equipment
• Similar models:NTN 6811LLU CYSD 6818-2RS NACHI 6814ZZ NACHI 6810ZENR SKF 61813-2RS1 KOYO 6818-2RD ISB WB1938132 CX 61817 SKF W61815-2Z NTN 6812
• BEARING POWER International Trading Co.,Ltd. specialize in OB81 products，there is large inventory of KOYO OB81 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the OB81 Which KOYO OB81 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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