248/750F3 (d:750xD:920xB:170mm) Spherical Roller Bearing For Vibrating Screen
The 248/750F3 bearing is a Spherical Roller Bearings with an inner diameter of 750 mm , an outer diameter of 920 mm, a width of 170 mm. Chrome Steel (Gcr15) rings. Its dynamic radial rated load is approximately 3550 (kN), its static radial rated load is approximately 11000 (kN). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Application: Mining equipment (powdering machines, vibrating screens, conveyors, etc.), gearboxes, air preheaters, extruders, centrifugal separators, construction machinery, steelmaking machinery, papermaking machines
248/750F3 Spherical Roller Bearing, High load capacity, Suited for applications involving large radial loads, heavy loads, and impact loads.
Size: 750x920x170mm
Inner Diameter (d): 750mm
Outer Diameter (D): 920mm
Thickness (B): 170mm
|
Bearing Part No. |
Basic Dimensions (mm) |
Basic Load Rating (kN) |
Speed Ratings (rpm) |
Other Dimensions (mm) |
Contact Surface and Chamfer Dimension |
Calculation Factors |
Weight (kg) |
|||||||||||||
|
d |
D |
B |
rmin |
Dynamic (Cr ) |
Static (Cor) |
Grease |
Oil |
d2 |
D1 |
b |
k |
da |
Da |
ra |
e |
Y1 |
Y2 |
Y0 |
||
|
248/750F3 |
750 |
920 |
170 |
5 |
3550 |
11000 |
220 |
300 |
808 |
864 |
|
|
770 |
902 |
4 |
0.16 |
4.2 |
6.3 |
4 |
249 |
248/750F3 Spherical Roller Bearings have two rows of spherical rollers, the outer ring has a common concave spherical raceway, the inner ring has two concave raceways that are inclined at an angle to the bearing axis, the curvature center of the outer ring raceway is the same as the bearing center.
Spherical roller bearings are self-aligning and are not affected by misalignment of the shaft and bearing box or deflection of the shaft, and can compensate for the resulting concentricity errors. In addition to bearing radial load, this type of bearing can also bear two-way axial load and its combined load. It has a large bearing capacity and good vibration and impact resistance.
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