Tapered roller bearings have tapered inner and outer ring raceways between which tapered rollers are arranged. The projection lines of all the tapered surfaces meet at a common point on the bearing axis. Their design makes tapered roller bearings particularly suitable for the accommodation of combined (radial and axial) loads. The axial load carrying capacity of the bearings is largely determined by the contact angle α; the larger α, the higher the axial load carrying capacity. An indication of the angle size is given by the calculation factor e; the larger the value of e, the larger the contact angle and the greater the suitability of the bearing for carrying axial loads.
apered roller bearing NO. Old NO. d D B
32205 7505E 25 52 18
32206 7506E 30 62 20
32207 7507E 35 72 23
32208 7508E 40 80 23
32209 7509E 45 85 23
32210 7510E 50 90 23
32211 7511E 55 100 25
32212 7512E 60 110 28
32213 7513E 65 120 31
32214 7514E 70 125 31
32215 7515E 75 130 31
32216 7516E 80 140 33
32217 7517E 85 150 33
32218 7518E 90 160 40
32219 7519E 95 170 43
32220 7520E 100 180 49.5
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