WZZG 745A/742 100% Brand New High Quality Inch Tapered Roller Bearings 69.850*150.089*44.450 mm Mechanical Bearings

WZZG Inch Tapered Roller Bearings 745A/742

Brand: WZZG

Item: 745A/742

Type: Tapered Roller Bearing

Dimensions: 69.850*150.089*44.450 mm

Inner diameter: 69.850 mm

Outer Diameter:150.089 mm

Width: 44.450 mm

Material: bearing steel

Quantity: 1PC

 

 

 

 

Structure of tapered roller bearings

 

Tapered roller bearings consist of outer ring, inner ring, rollers and cage. The rolling elements of the bearing are tapered rollers, which are guided by the inner ring back rib on the large end face of the roller. The raceway surfaces of the inner and outer rings and the rolling contact surfaces of the rollers are designed so that their respective vertices are at a point on the bearing centerline. Bearings are classified into standard type, intermediate type and steep type according to the contact angle (α). The larger the contact angle, the greater the resistance of the bearing to axial loads.

 

 

 

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