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Four Point Contact Ball Bearing D 15-75mm

Four Point Contact Ball Bearing D 15-75mm

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Product Details

Description

Four Point Contact Ball Bearing D 15-75mm is a separate type of bearing. It can also be said that it is an angular contact ball bearing that can withstand two-way axial load. The inner and outer ring raceways are peach-shaped cross-sections. When there is no load or pure radial load, the steel ball and the ferrule appear as four-point contact, which is the origin of this name.

Function

When only a pure axial load is applied, the steel ball and the ferrule become two-point contact and can withstand two-way axial loads. Four-point contact ball bearings can also withstand moment loads, as well as single row angular contact ball bearings and double row angular contact ball bearings. It only guarantees normal work when two points of contact are formed. Therefore, it is generally suitable for those places where there is a two-point contact under a synthetic load with a pure axial load or a large axial load, and the limit rotation speed is high, and it is also suitable for those places where high speed operation is required.

Parameter

Principal dimensions (mm)Basic load ratings KNPuSpeed ratings rpmWeight kgDesignationDimensions mmLocating slots dimensions mmAbutment and fillet dimensions mm
dDBdyc Crstc CorLimiting SpeedSpeed RatingsLimiting SpeedBearings with locating slotsWithout locating slotsdd1 ~D1 ~r1,2 Minabhroda MinDa Maxra Max
15351112.78.30.3622000360000.062QJ202N2MA Bearing-152228.10.61832.20.519.230.80.6
17401215.910.60.4519000300000.082QJ203N2MA Bearing-1725.732.50.6203.52.50.521.235.80.6
17471423.4150.6417000280000.14QJ303N2MA Bearing-1727.736.31224.53.50.522.641.41
20521529.6200.8515000240000.18QJ304N2MA BearingQJ304MA Bearing2031.240.81.1254.53.50.527451
25521525.1200.8314000220000.16QJ205N2MA BearingQJ205MA Bearing2535431274.530.530.646.41
25621739281.1812000200000.29QJ305N2MA BearingQJ305MA Bearing2538491.1304.53.50.532551
30621635.128.51.212000190000.24QJ206N2MA BearingQJ206MA Bearing3041.250.81324.53.50.535.656.41
30721949.4381.6310000170000.42QJ306N2MA BearingQJ306MA Bearing3045.858.21.1364.53.50.537651
35721746.2391.6310000170000.36QJ207N2MA BearingQJ207MA Bearing3547.9591.1374.53.50.542651
35802159.246.51.969500150000.57QJ307N2MA BearingQJ307MA Bearing3550.764.31.5405.540.544711.5
40801852.7451.99000150000.45QJ208N2MA BearingQJ208MA Bearing4054661.1425.540.547731
40902371.558.52.458500140000.78QJ308N2MA BearingQJ308MA Bearing4057.572.51.5465.540.549811.5
45851958.5512.168500140000.52-QJ209MA Bearing4558.5721.146---52781
451002593.676.53.257500120001.05QJ309N2MA BearingQJ309MA Bearing4563.881.21.5516.550.554911.5
50902061.8562.47500130000.59-QJ210MA Bearing5063.576.51.1495.540.557831
501102711191.53.96700110001.35-QJ310MA Bearing507090256---61992
551002179.376.53.27000110000.77QJ211N2MA BearingQJ211MA Bearing5570.384.71.5546.550.564911.5
55120291271084.556000100001.75QJ311N2MA BearingQJ311MA Bearing5577.297.82616.58.10.5661092
601102292.386.53.656300100000.99QJ212N2MA BearingQJ212MA Bearing6077931.5606.550.5691011.5
60130311461255.3560090002.15QJ312N2MA BearingQJ312MA Bearing60841062.1676.58.10.5721182
65120231041044.4560095001.2QJ213N2MA BearingQJ213MA Bearing6584.51011.5656.56.50.5741111.5
65140331651466.1530085002.7-QJ313MA Bearing65901152.172---771282
70125241141144.8560090001.32QJ214N2MA BearingQJ214MA Bearing70891061.5686.56.50.5791161.5
70150351861666.7480080003.15QJ314N2MA BearingQJ314MA Bearing7097.31232.1778.510.12821382
75130251171225.2530085001.45QJ215N2MA BearingQJ215MA Bearing7593.81121.5726.56.50.5841211.5
75160371991867.35450075003.9QJ315N2MA Bearing-751041312.1828.510.12871482
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