31310/CL7CDF Bearing

 

d	50 mm	Bore diameter
D	110 mm	Outside diameter
T	58.5 mm	Total width
2B	54 mm	Width of inner rings
b	10 mm	Width of lubrication groove
K	7.5 mm	Diameter of lubrication hole
r3,4	min.2 mm	Chamfer dimension
r5	min.0.6 mm	Chamfer dimension

da	max.63 mm	Diameter of shaft abutment
Da	min.87 mm	Diameter of housing abutment
Da	max.101 mm	Diameter of housing abutment
Ca	min.4 mm	Minimum width of space required in housing on large side face
ra	max.2.5 mm	Radius of fillet
rc	max.0.6 mm	Radius of fillet

SKF performance class		SKF Explorer
Basic dynamic load rating	C	224 kN
Basic static load rating	C0	240 kN
Fatigue load limit	Pu	28.5 kN
Reference speed		3 600 r/min
Limiting speed		6 000 r/min
Limiting value	e	0.83
Calculation factor	Y1	0.81
Calculation factor	Y2	1.2
Calculation factor	Y0	0.8

 

The 31310/CL7CDF is a matched pair of tapered roller bearings designed for high-performance applications. These bearings consist of two separate components: the cone (inner ring and rollers) and the cup (outer ring). The conical shape of the rolling elements allows them to accommodate both radial and axial loads effectively. This design characteristic makes them suitable for applications where forces act at various angles, such as in automotive transmissions, wind turbines, and heavy machinery.

Matched tapered roller bearings offer several advantages. Their high load-carrying capacity and stiffness make them ideal for demanding applications where precision and reliability are critical. The ability to adjust axial preload during assembly allows for precise control over bearing performance and minimizes vibration. Additionally, the separate components facilitate easier installation and maintenance compared to other bearing types.

Due to their exceptional performance characteristics, 31310/CL7CDF bearings find widespread use in various industries. In automotive applications, they are commonly found in transmissions, differentials, and wheel hubs. In wind energy, these bearings support the main shaft and gearbox, ensuring smooth and reliable operation. Other applications include industrial gearboxes, rolling mills, and mining equipment, where they contribute to increased efficiency and extended equipment life.

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