d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

ra1 max. - 1 mm

Angle (α) - 40 °

a - 52 mm

r min. - 2 mm

r1 min. - 1 mm

2B - 58 mm

da min. - 65 mm

ra max. - 2 mm

Db max - 114,5 mm

Weight - 2,84 Kg

Basic dynamic load rating (C) - 128 kN

Basic static load rating (C0) - 113 kN

(Grease) Lubrication Speed - 4 500 r/min

(Oil) Lubrication Speed - 5 900 r/min

• Model Number: 7311BDB
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-11
• Application:medical equipment,other lathe,aerial work equipment,tower crane,injection molding machine,test laboratory equipment and accessories,hot and cold box,Broadcasting System,floor industry,auto tools,Industrial
• Similar models:CRAFT 7311C CYSD 7311CDF NTN 7311C CYSD 7311DB SNR 7311BGA CX 7311A-UD ISO 7311ADB NTN 7311BDB KOYO 7311 CX 7311B-UX
• BEARING POWER International Trading Co.,Ltd. specialize in 7311BDB products，there is large inventory of NTN 7311BDB . We has been built up long-term cooperation with NTN company, could make a bulk order of the 7311BDB Which NTN 7311BDB 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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