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30304 7304E Roller Bearings
30304 7304E Metric Tapered Roller Bearings
30304 7304E Tapered Roller Bearings
diagram of dsbr metric tapered roller bearings
diagram of dsbr metric tapered roller bearings (2)

30304 7304E Metric Tapered Roller Bearings

30304 7304E single row tapered roller bearings are engineered to support combined radial and thrust loads with minimal rolling resistance. The inner assembly—comprising the raceway, rollers, and cage—is separable from the outer ring, allowing for flexible installation, simplified disassembly, and easy maintenance. When used in matched pairs with preload, these bearings deliver high rigidity and precise shaft positioning. 

The 30304 7304E tapered roller bearing is built for light to medium-load applications. With its compact profile and precision contact geometry, it ensures excellent radial and axial load support. Ideal for automotive gearboxes, agricultural implements, and electric motors.Ideal for heavy-duty applications, they offer:


  • Excellent capacity for both radial and axial forces

  • Support for axial loads in a single direction

  • Reduced friction for efficient, high-speed operation

  • Durable, replaceable, and service-friendly design


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Technical Specification Technical Specification

Technical Specification of 30304 7304E Metric Tapered Roller Bearings


dimensions of 30204 7204e metric tapered roller bearings 

     

Dimensions
d20 mmBore diameter
D52 mmOutside diameter
T16.25 mmTotal width
d1≈34.4 mmShoulder diameter of inner ring
B15 mmWidth of inner ring
C13 mmWidth of outer ring
r1,2min.1.5 mmChamfer dimension of inner ring
r3,4min.1.5 mmChamfer dimension of outer ring
a11.15 mmDistance side face to pressure point

abutment dimensions of 30204 7204e metric tapered roller bearings


Abutment dimensions
damax.28 mmDiameter of shaft abutment
dbmin.27.5 mmDiameter of shaft abutment
Damin.44 mmDiameter of housing abutment
Damax.45.5 mmDiameter of housing abutment
Dbmin.47 mmDiameter of housing abutment
Camin.2 mmMinimum width of space required in housing on large side face
Cbmin.3 mmMinimum width of space required in housing on small side face
ramax.1.5 mmRadius of shaft fillet
rbmax.1.5 mmRadius of housing fillet

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2010
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PATENTS
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40
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