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31312 27312E Metric Tapered Roller Bearings
31312 27312E Metric Tapered Roller Bearings
31312 27312E Metric Tapered Roller Bearings
diagram of dsbr metric tapered roller bearings
diagram of dsbr metric tapered roller bearings (2)

31312 27312E Metric Tapered Roller Bearings

The 31312 bearing is a robust tapered roller bearing with a 60mm bore and 130mm OD. It offers high radial and axial load handling capabilities and is suited for demanding operations such as construction equipment, trucks, and industrial gearboxes. Precision-ground surfaces ensure smooth operation and extended service life.

The 31312 tapered roller bearing is specially made for high-load and high-speed environments. Perfect for use in truck transmissions and mechanical axles, it combines superior strength with low vibration. DSBR ensures each bearing is rigorously tested for noise, runout, and surface finish. The bearing’s heat-treated raceways improve fatigue resistance, making it suitable for continuous operation in rugged environments. Custom markings and OEM packaging available upon request.

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 31312 27312E Metric Tapered Roller Bearings

dimensions of 30204 7204e metric tapered roller bearings 



Dimensions
d60 mmBore diameter
D130 mmOutside diameter
T33.5mmTotal width
d1≈96mmShoulder diameter of inner ring
B31 mmWidth of inner ring
C22 mmWidth of outer ring
r1,2min.3 mmChamfer dimension of inner ring
r3,4min.2.5 mmChamfer dimension of outer ring
a39.3 mmDistance side face to pressure point


abutment dimensions of 30204 7204e metric tapered roller bearings



Abutment dimensions
damax.74 mmDiameter of shaft abutment
dbmin.72.5 mmDiameter of shaft abutment
Damin.103 mmDiameter of housing abutment
Damax.119.5 mmDiameter of housing abutment
Dbmin.123 mmDiameter of housing abutment
Camin.5 mmMinimum width of space required in housing on large side face
Cbmin.11.5 mmMinimum width of space required in housing on small side face
ramax.3 mmRadius of shaft fillet
rbmax.2.5 mmRadius of housing fillet



Contact DSBR for More Information
Contact DSBR for More Information
2010
SINCE
9
PATENTS
120
EXPERT WORKERS
40
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