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Paired Tapered Roller Bearings

ZHIO® tapered roller bearings are produced by ZHIO® in many designs and sizes to match their many uses.These can be grouped as follows
- single row tapered roller bearings (metric size)
- single row tapered roller bearings (inch size)
- double row tapered roller bearings
Design Features
Tapered roller bearings are designed to take the combination of radial and axial load.
Tapered roller bearings are available in both inch size and metric size.
Tapered roller bearings have separable outer ring and inner ring assembly, interchangeable, easy to fit and maintenance.
ZHIO® precision tapered roller bearings are designed to reach V1 grade noise level, which make the quieter running of automobile engine and gearbox.

ZHIO® 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 ; the larger contact angle the greater axial load carrying capacity .
Tapered roller bearings are generally separable, i.e. the cone, consisting of the inner ring with roller and cage assembly, can be mounted separately from the cup (outer ring).
ZHIO® tapered roller bearings have the logarithmic contact profile that provides optimum stress distribution over the roller/raceway contacts. The special design of the sliding surfaces of the guide flange and large roller ends considerably promote lubricant film formation in the roller end/flange contacts. The resulting benefits include increased operational reliability and reduced sensitivity to misalignment.
ZHIO® Tapered Roller Bearings have tapered inner and outer ring racesways between which tapered rollers are arranged.Both of which have single and double row structures.With the higher precision than P5 standard, they have high dimension and running accurancy accordingly. Tapered roller bearings with high speed and long lifespan are always used in Automobile, Gearbox, Main shaft of machine tool, Construction machineries, Rolling mill equipment.
Cages
ZHIO® tapered roller bearings are fitted with one of the following cages.
- A pressed window-type steel cage, roller centred.
- An injection moulded window-type cage of glass fibre reinforced polyamide 6, 6, roler centred.
- A steel pin-type cage

Dimension(mm) Radial Load
Model inside Outside Height Dynamic Static Maximum Speed Weight
32972/DF 360 mm 480 mm 665.80 lb
32968/DF 340 mm 460 mm 160.94 lb
32964/DF 320 mm 440 mm 152.12 lb
32064 X/DF 320 mm 480 mm 229.28 lb
32060 X/DF 300 mm 460 mm 262.35 lb
32256/DF 280 mm 500 mm 498.24 lb
32056 X/DF 280 mm 420 mm 185.19 lb
32252/DF 260 mm 480 mm 469.58 lb
32052 X/DF 260 mm 400 mm 173.72 lb
32248/DF 240 mm 440 mm 379.20 lb
32048 X/DF 240 mm 360 mm 119.71 lb
32944/DF 220 mm 300 mm 46.52 lb
32244/DF 220 mm 400 mm 271.17 lb
32044 X/DF 220 mm 340 mm 112.44 lb
32240/DF 200 mm 360 mm 194.23 lb
32040 X/DF 200 mm 310 mm 85.98 lb
32938/DF 190 mm 260 mm 31.97 lb
32038 X/DF 190 mm 290 mm 67.46 lb
32936/DF 180 mm 250 mm 30.42 lb
32236/DF 180 mm 320 mm 134.70 lb
32036 X/DF 180 mm 280 mm 64.37 lb
30236/DF 180 mm 320 mm 78.26 lb
32234/DF 170 mm 310 mm 130.73 lb
32034 X/DF 170 mm 260 mm 47.84 lb
32232/DF 160 mm 290 mm 105.82 lb
32032 X/DF 160 mm 240 mm 35.71 lb
30232/DF 160 mm 290 mm 60.41 lb
32230/DF 150 mm 270 mm 82.23 lb
32030 X/DF 150 mm 225 mm 29.32 lb
31330 X/DF 150 mm 320 mm 129.19 lb
30230/DF 150 mm 270 mm 48.72 lb
32228/DF 140 mm 250 mm 64.60 lb
32028 X/DF 140 mm 210 mm 24.03 lb
31328 X/DF 140 mm 300 mm 108.25 lb
30228/DF 140 mm 250 mm 39.46 lb
32926/DF 130 mm 180 mm 10.89 lb
32226/DF 130 mm 230 mm 50.93 lb
31326 X/DF 130 mm 280 mm 87.30 lb
33024/DF 120 mm 180 mm 18.92 lb
32324/DF 120 mm 260 mm 99.43 lb