NACHI 7311CDB bearing

55x120x29

Delivery time of mold is reduced Hard Ball can proceed direct milling of hardened steels. Shortening delivery time and reduce cost. Precise milling Efficiency is increase 30%,and acquire excellent surface roughness. Series X's mill HARD Regular LIST9286 X's mill HARD Ball LIST9284 X's mill HARD Long LIST9288



Angular contact ball bearings 7311CDB

Bearing number : 7311CDB

Size (mm) : 55x120x29

Brand : NACHI

Bore Diameter (mm) : 55

Outer Diameter (mm) : 120

Width (mm) : 29

Bearing dimensions and specification in NACHI catalogue:

d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

Angle (α) - 15 °

a - -4.4 mm

r min. - 2 mm

r1 min. - 1 mm

2B - 58 mm

da min. - 65 mm

Da max. - 114 mm

ra max. - 1 mm

Weight - 1.45 Kg

Basic dynamic load rating (C) - 142 kN

Basic static load rating (C0) - 121 kN

(Grease) Lubrication Speed - 7300 r/min

(Oil) Lubrication Speed - 10000 r/min

Bearing 7311CDB

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