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Technical Specification 
.webp "diagram of dsbr metric tapered roller bearings (2)")
With dimensions of 80x170x42.5mm, the 31316 27316E bearing is built for heavy-duty applications requiring high performance. It's made with heat-treated, wear-resistant steel and is widely used in industrial machinery, automotive drive systems, and OEM equipment. It offers long service intervals and dependable performance.
The 31316 tapered roller bearing offers high radial and axial load capabilities, making it suitable for wheel hubs, reducers, and drive shafts. DSBR uses automated lines and full inspection processes to ensure consistency and long life. The bearing's optimized rolling contact design minimizes heat buildup and ensures excellent load balance. Widely used in mining and construction vehicles, it meets ISO and IATF16949 standards, ensuring confidence for OEM partners.
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
Technical Specification 
| Dimensions | ||
| d | 80 mm | Bore diameter |
| D | 170 mm | Outside diameter |
| T | 42.5 mm | Total width |
| d1 | ≈125.38mm | Shoulder diameter of inner ring |
| B | 39 mm | Width of inner ring |
| C | 27 mm | Width of outer ring |
| r1,2 | min.3 mm | Chamfer dimension of inner ring |
| r3,4 | min.2.5 mm | Chamfer dimension of outer ring |
| a | 51.517 mm | Distance side face to pressure point |
| Abutment dimensions | ||
| da | max.97 mm | Diameter of shaft abutment |
| db | min.93.5 mm | Diameter of shaft abutment |
| Da | min.134 mm | Diameter of housing abutment |
| Da | max.159 mm | Diameter of housing abutment |
| Db | min.159 mm | Diameter of housing abutment |
| Ca | min.5 mm | Minimum width of space required in housing on large side face |
| Cb | min.15.5 mm | Minimum width of space required in housing on small side face |
| ra | max.3 mm | Radius of shaft fillet |
| rb | max.2.5 mm | Radius of housing fillet |
