d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

Angle (α) - 30 °

a - 10.8 mm

r min. - 2 mm

r1 min. - 1 mm

2B - 58 mm

da min. - 61 mm

Da max. - 114 mm

ra max. - 1 mm

Weight - 1.45 Kg

Basic dynamic load rating (C) - 139 kN

Basic static load rating (C0) - 123 kN

(Grease) Lubrication Speed - 4000 r/min

(Oil) Lubrication Speed - 5500 r/min

• Model Number:7311DF
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-09
• Application:Cylinder Special,metallurgical mold,water,tower crane,fruit and vegetable processing,survey accessories,sample cup,Leather Products,other processing,ignition system,plant determination
• Similar models:NTN 7311BDB ISO 7311CDB ISO 7311BDT SKF 7311BECBP CRAFT 7311B NACHI 7311CDF SKF 7311BEGBM ISO 7311C ISO 7311B FBJ 7311B
• BEARING POWER International Trading Co.,Ltd. specialize in 7311DF products，there is large inventory of NACHI 7311DF . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 7311DF Which NACHI 7311DF 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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