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Single Row 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
32956 280 mm 380 mm 63.5 mm 43.65 lb
32056X 280 mm 420 mm 87 mm 88.85 lb
32952 260 mm 360 mm 63.5 mm 41.01 lb
32252 260 mm 480 mm 137 mm 229.19 lb
32052X 260 mm 400 mm 87 mm 83.42 lb
X32048XRA-Y32048XR 241 mm 360 mm 76 mm 56.22 lb
X32048XRSA-Y32048XRSA 240 mm 360 mm 76 mm 56.88 lb
X32048XR-Y32048XR 240 mm 360 mm 76 mm 56.66 lb
JP24049-JP24010 240 mm 320 mm 42 mm 18.08 lb
32948 240 mm 320 mm 51 mm 22.82 lb
32248 240 mm 440 mm 127 mm 178.84 lb
32048X 240 mm 360 mm 76 mm 56.66 lb
32944 220 mm 300 mm 51 mm 21.83 lb
32244 220 mm 400 mm 114 mm 130.98 lb
32044X 220 mm 340 mm 76 mm 52.91 lb
30244 220 mm 400 mm 72 mm 77.71 lb
JHM840449A-JHM840410 200 mm 300 mm 65 mm 33.95 lb
JHM840449-JHM840410 200 mm 300 mm 65 mm 33.73 lb
32940 200 mm 280 mm 51 mm 20.94 lb
32240 200 mm 360 mm 104 mm 93.72 lb
32040X 200 mm 310 mm 70 mm 41.23 lb
30240 200 mm 360 mm 64 mm 56.66 lb
JM738249A-JM738210 190 mm 260 mm 46 mm 14.99 lb
JM738249-JM738210 190 mm 260 mm 46 mm 14.99 lb
32938 190 mm 260 mm 45 mm 15.23 lb
32238 190 mm 340 mm 97 mm 80.16 lb
32038X 190 mm 290 mm 64 mm 32.19 lb
30238 190 mm 340 mm 60 mm 49.58 lb
JP18049-JP18010 180 mm 240 mm 32 mm 7.94 lb
JM736149AA-JM736110 180 mm 250 mm 47 mm 14.55 lb
JM736149A-JM736110 180 mm 250 mm 47 mm 14.55 lb
JM736149-JM736110 180 mm 250 mm 47 mm 14.77 lb
32936 180 mm 250 mm 45 mm 14.33 lb
32236 180 mm 320 mm 91 mm 66.71 lb
32036X 180 mm 280 mm 64 mm 30.86 lb
30236 180 mm 320 mm 57 mm 39.57 lb
KJP17049-KJP17010 170 mm 230 mm 32 mm 7.50 lb
JP17049-JP17010 170 mm 230 mm 32 mm 7.50 lb
JM734449V-JM734410V 170 mm 240 mm 46 mm 13.89 lb
JM734449V-JM734410 170 mm 240 mm 46 mm 13.89 lb