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Product Parameter
Bearing symbol Principal dimensions (mm) Basic rated load (KN) Limit speed (r/min) Fitting dimension
(mm)
Value Weight(kg)
d D T B C R r Cr C0r Grease Oil damax dbmin Damin Damax Dbmin Ca Cb e y yo
30203 17 40 13.25 12 11 1 1 22 22.2 - - - - - - - - - 0.35 1.7 0.96 0.0798
30204 20 47 15.25 14 12 1 1 30 31.2 8000 11000 27 26 40 41 43 2.5 3.3 0.35 1.7 0.96 0.126
30305 25 62 18.25 17 15 1.5 1.5 49 49 9000 13000 35 32 54 55 58 3 5.3 0.3 2 1.1 0.263
30205 25 52 16.25 15 13 1 1 32 35 7500 9500 31 31 44 46 49 2 3.3 0.37 1.6 0.88 0.153
31306 30 72 20.75 19 14 1.5 1.5 55 60 5000 6700 38 38 55 65 67 2 608 0.83 0.72 0.4 0.392
32306 30 72 28.75 27 23 1.5 1.5 84 95 5300 7000 38 37 59 65 66 2 6 0.37 1.9 1.05 0.554
30306 30 72 20.75 19 16 1.5 1.5 62 63 5600 7500 40 37 62 65 66 4 6 0.31 1.9 1.05 0.386
30206 30 62 17.25 16 14 1 1 46 50.9 6300 8500 37 36 53 56 58 3 4.5 0.37 1.6 0.88 0.231
31307 35 80 22.75 21 15 2 1.5 68 76 4500 6000 45 44 62 71 76 3 7.5 0.83 0.7 0.4 0.514
32307 35 80 32.75 31 25 2 1.5 102 116 4800 6300 43 44 66 71 74 4 8.5 0.31 1.9 1.05 0.764
30307 35 80 22.75 21 18 2 1.5 79 82 5000 6700 47 44 68 73 75 3 5.5 0.31 1.9 1.05 0.516
30207 35 72 18.25 17 15 1.5 1.5 57 63.7 5300 7000 44 42 62 65 67 3 3.3 0.37 1.6 0.88 0.332
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Introduction
< div style = 'text indent: 0px; ' > < span style = 'text indent: 24px; ' >. The modified contact line between roller and raceway can reduce the stress concentration, and the tapered roller bearing can bear large radial and axial loads. Since the tapered roller bearing can only transmit one-way axial load, in order to transmit the axial load in the opposite direction, it is necessary to install another tapered roller bearing symmetrically with it.
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