d - 1 mm

D - 4 mm

B - 1,6 mm

C - 1,6 mm

r min. - 0,1 mm

C1 - 0,5 mm

D1 - 5 mm

ba min. - 1,8 mm

ra max. - 0,1 mm

Weight - 0,0001 Kg

Basic dynamic load rating (C) - 0,14 kN

Basic static load rating (C0) - 0,04 kN

(Grease) Lubrication Speed - 120000 r/min

(Oil) Lubrication Speed - 140000 r/min

Calculation factor (f0) - 11,4

• Model Number:F691
• Inner Diameter：1mm Outer Diameter：4mm Width：1,6mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-20
• Application:internal combustion engine,hydraulic pressure gauge,marine analysis and testing equipment,nail products,machining,electromagnetic clutch,ventilation fans,Industrial,laser devices,enzyme,Machine Tool Accessories
• Similar models:FBJ 6913 NTN 6911 ZEN F691 CYSD 6916-Z CYSD 6913N NSK 6915N ZEN SF691X NTN 6913LLB NSK 6911N CYSD 6915-RZ
• BEARING POWER International Trading Co.,Ltd. specialize in F691 products，there is large inventory of KOYO F691 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the F691 Which KOYO F691 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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