d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

Angle (α) - 40 °

a - 51.8 mm

r min. - 2 mm

r1 min. - 1 mm

da min. - 65 mm

Da max. - 110 mm

ra max. - 2 mm

Weight - 1.45 Kg

(Grease) Lubrication Speed - 5000 r/min

(Oil) Lubrication Speed - 6700 r/min

• Model Number: 7311B
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Angular Contact Ball Bearings
• Update date：2025-04-22
• Application:transportation equipment,machine tool spindle,diagnostic test paper,noise inspection,Workpiece,SPA equipment,bathroom facilities,other accessories,ultra-quiet generators,tire industry,Ball screw
• Similar models:CYSD 7311BDB NKE 7311-BECB-TVP NTN 7311BDB NSK 7311BEA NTN 7311BDBTT CYSD 7311DF ISO 7311BDT KOYO 7311C NACHI 7311B NACHI 7311C
• BEARING POWER International Trading Co.,Ltd. specialize in 7311B products，there is large inventory of KOYO 7311B . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 7311B Which KOYO 7311B 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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