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3812-2Z Double Row Angular Contact Ball Bearing

Short Description:

Double row angular contact ball bearings correspond in design to two single row angular contact ball bearings arranged back-to-back, but take up less axial space. They can accommodate radial loads as well as axial loads acting in both directions. They provide stiff bearing arrangements and are able to accommodate tilting moments. The bearings are available in a basic open and a sealed design. 


Product Detail

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3812-2Z Double Row Angular Contact Ball Bearing  detail Specifications:

Metric series

Material : 52100 Chrome Steel

Construction :  Double Row

Seal Type  : 2Z,Sealed on both sides

Seal material : Metal

Lubrication : Great Wall Motor Bearing Grease2#,3#

Temperature Range : -20°to 120°C

Limiting Speed : 4700 rpm

Cage : Nylon cage or Steel cage

Cage Material : Polyamide (PA66) or Steel

Weight : 0.151 kg

图1

Main Dimensions:

Bore diameter (d) 60 mm

Outer diameter (D) 78 mm

Width (B) : 14 mm

Chamfer Dimension ( r) min. : 0.3 mm

Dynamic load ratings (Cr) 14.5 KN

Static load ratings (Cor) : 17.5 KN

 

ABUTMENT DIMENSIONS

Minimum diameter shaft shoulder (da) min. : 62 mm

Maximum diameter of housing shoulder (Da) max. : 76 mm

Maximum fillet radius (ra) max.: 0.3 mm


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