Four Point Contact Ball Bearings: QJ Bearings

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Steel Four Point Contact Ball Bearing, QJ Series

Four Point Contact Ball Bearings: QJ

Able to take axial in both directions and some radial loads, the four point contact ball bearing also has a tight axial tolerance. It’s also known as the QJ bearing.

This type of bearing is found in applications such as compressors and gearboxes.

QJ Bearing Sizes

                       
  Dimensions (mm) Basic Load Ratings (kN) Limiting Speed (RPM) Mass
(kg)
Abutment and Fillet Dimensions (mm)
Part Bore Outer Diameter Width Minimum Chamfer Dynamic Load Static
Load
Oil   da Da ra
Number d D B rsmin Cr C0r Open approx. min max max
QJ205 25 52 15 1.0 27.1 21.2 22000 0.16 30.6 46.4 1.0
QJ305 62 17 1.1 42.5 30.1 20000 0.29 32.0 55.0 1.0
QJ206 30 62 16 1.0 37.5 30.5 19000 0.24 36.0 56.0 1.0
QJ306 72 19 1.1 53.0 41.5 17000 0.42 37.0 65.0 1.0
QJ207 35 72 17 1.1 41.0 61.5 16000 0.35 42.0 65.0 1.0
QJ307 80 21 1.5 64.0 51.0 15000 0.57 44.0 71.0 1.5
QJ208 40 80 18 1.1 56.0 49.0 15000 0.45 47.0 73.0 1.0
QJ308 90 23 1.5 78.0 64.0 14000 0.78 49.0 81.0 1.5
                       
QJ209 45 85 19 1.1 63.0 56.0 14000 0.52 52.0 78.0 1.0
QJ309 100 25 1.5 100.0 83.0 12000 1.05 50.8 91.0 1.5
QJ210 50 90 20 1.1 65.5 61.0 13000 0.59 57.0 83.0 1.0
QJ310 110 27 2.0 118.0 100.0 11000 1.35 60.0 100.0 2.0
QJ211 55 100 21 1.5 85.0 83.0 11000 0.77 64.0 91.0 1.5
QJ311 120 29 2.0 137.0 118.0 10000 1.75 65.0 110.0 2.0
QJ212 60 110 22 1.5 96.5 93.0 10000 0.99 69.0 101.0 1.5
QJ312 130 31 2.1 156.0 137.0 9000 2.15 72.0 118.0 2.0
                       
QJ213 65 120 23 1.5 110.0 112.0 9500 1.20 74.0 111.0 1.5
QJ313 140 33 2.1 176.0 156.0 8500 2.70 77.0 128.0 2.0
QJ214 70 125 24 1.5 120.0 122.0 9000 1.30 68.3 116.0 1.5
QJ314 150 35 2.1 200.0 180.0 8000 3.15 82.0 138.0 2.0
QJ215 75 130 25 1.5 125.0 132.0 8500 1.45 84.0 121.0 1.5
QJ315 160 37 2.1 187.0 320.0 7500 3.90 87.0 148.0 2.0
QJ216 80 140 26 2.0 146.0 156.0 8000 1.85 90.0 130.0 2.0
QJ316 170 39 2.1 202.0 360.0 7000 4.60 92.0 158.0 2.0
                       
QJ217 85 150 28 2.0 156.0 173.0 7500 2.20 95.0 140.0 2.0
QJ317 180 41 3.0 250.0 255.0 6700 5.34 99.0 166.0 2.5
QJ218 90 160 30 2.0 186.0 200.0 7000 2.75 100.0 150.0 2.0
QJ318 190 43 3.0 285.0 305.0 6300 6.40 104.0 176.0 2.5
QJ219 95 170 32 2.1 212.0 232.0 6700 3.35 107.0 158.0 2.0
QJ319 200 45 3.0 305.0 340.0 6000 7.40 109.0 186.0 2.5
QJ220 100 180 34 2.1 236.0 265.0 6300 4.00 112.0 168.0 2.0
QJ320 215 47 3.0 345.0 400.0 5600 9.30 114.0 201.0 2.0