32318 original ntn japan brand tapered roller bearings 32318
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Related models and specifications
Bearing No. | Boundary dimensions | Basic load rating(kN) | Limiting speed | Mass | ||||||||
mm | Dynamic | Static | rpm | Kg | ||||||||
d | D | T | B | C | Rmin | rmin | Cr | Cor | Grease | Oil | ≈ | |
32303 | 17 | 47 | 20.25 | 19 | 16 | 1 | 1 | 35.4 | 36.6 | 8000 | 11000 | 0.174 |
32304 | 20 | 52 | 22.25 | 21 | 18 | 1.5 | 1.5 | 42.7 | 46.4 | 7500 | 10000 | 0.231 |
32305 | 25 | 62 | 25.25 | 24 | 20 | 1.5 | 1.5 | 61.7 | 68.9 | 6000 | 8000 | 0.367 |
32306 | 30 | 72 | 28.75 | 27 | 23 | 1.5 | 1.5 | 81.7 | 97.6 | 5300 | 7000 | 0.56 |
32307 | 35 | 80 | 32.75 | 31 | 25 | 2 | 1.5 | 99.1 | 119 | 4800 | 6300 | 0.77 |
32308 | 40 | 90 | 35.25 | 33 | 27 | 2 | 1.5 | 115 | 149 | 4000 | 5300 | 1.05 |
32309 | 45 | 100 | 38.25 | 36 | 30 | 2 | 1.5 | 145 | 191 | 3600 | 4800 | 1.4 |
32310 | 50 | 110 | 42.25 | 40 | 33 | 2.5 | 2 | 177 | 239 | 3200 | 4300 | 1.89 |
32311 | 55 | 120 | 45.5 | 43 | 35 | 2.5 | 2 | 203 | 274 | 3000 | 4000 | 2.37 |
32312 | 60 | 130 | 48.5 | 46 | 37 | 3 | 2.5 | 226 | 306 | 2600 | 3600 | 2.9 |
32313 | 65 | 140 | 51 | 48 | 39 | 3 | 2.5 | 259 | 353 | 2400 | 3400 | 3.51 |
32314 | 70 | 150 | 54 | 51 | 42 | 3 | 2.5 | 298 | 413 | 2000 | 3000 | 4.35 |
32315 | 75 | 160 | 58 | 55 | 45 | 3 | 2.5 | 346 | 488 | 2000 | 3000 | 5.34 |
32316 | 80 | 170 | 61.5 | 58 | 48 | 3 | 2.5 | 387 | 549 | 1900 | 2800 | 6.38 |
32317 | 85 | 180 | 63.5 | 60 | 49 | 4 | 3 | 421 | 599 | 1800 | 2600 | 7.3 |
32318 | 90 | 190 | 67.5 | 64 | 53 | 4 | 3 | 477 | 690 | 1700 | 2400 | 8.78 |
32319 | 95 | 200 | 71.5 | 67 | 55 | 4 | 3 | 515 | 745 | 1700 | 2400 | 10.7 |
32320 | 100 | 215 | 77.5 | 73 | 60 | 4 | 3 | 572 | 780 | 1600 | 2200 | 3 |
32321 | 105 | 225 | 81.5 | 77 | 63 | 4 | 3 | 646 | 955 | 1500 | 2000 | 14.5 |
32322 | 110 | 240 | 84.5 | 80 | 65 | 4 | 3 | 722 | 1070 | 1400 | 1900 | 17.8 |
32324 | 120 | 260 | 90.5 | 86 | 69 | 4 | 3 | 824 | 1240 | 1300 | 1800 | 21.7 |
32334 | 170 | 360 | 128 | 120 | 100 | 3.7 | 1.3 | 1300 | 1760 | 850 | 1100 | 59.5 |
Description and application
Tapered roller bearing can be separated. It is a component , composed of inner ring , outer ring , rollers and cage . It can be installed separately. The contact line corrected for contact between the roller and the raceway reduces stress concentration. It can stand large radial loads and axial loads. As the tapered roller bearings can only send one-way axial load, it need another tapered roller bearing with a symmetrical mounting to send in the opposite direction of axial load.
Single row tapered roller bearing has an outer ring. Inner ring and a group of tapered roller are encased in a basket-shaped cage into an inner ring assembly. The outer ring can be separated from the inner ring assembly. According to the ISO standard of tapered roller bearing outer dimension specification, any standard type of inner and outer rings can be able to achieve international exchange with the outer ring or inner ring of the same models. Scilicet, in addition to the external dimensions, tolerances of outer ring in the same modles should comply with the regulations of ISO492GB307,the cone angle of the inner component and the diameter of component cone must also meet the relevant provisions of the swap.
Usually the cone Angle of outer ring raceway on single row tapered roller bearing is between 10°~19°,it can simultaneously stand the combined effect of bearing load and radial load. The greater the Angle,the more axial load can be bear. Big cone Angle bearings,end number to add B means the cone angle between 25 ° ~ 29 °. It can can withstand a large axial load. In addition, the single row taper roller bearings can adjust the clearance in the process of the device's size.
The inner or outer ring of double row taper roller bearing is a whole. The small end of two inner (or outer) rings are similar. There is a spacer between two rings. The clearance is adjusted by the thickness of the spacer. The spacer can also be used to adjust the pre-surplus of double row tapered roller bearings.
35000 double row tapered roller bearings have a variety of internal structure:
-- with a spacer and a steel plate punched window-type cage
-- with a spacer , hollow roller and pillar steel cage
37000-type structure of double row tapered roller bearings have a variety of internal structure:
-- with a spacer, cage and steel plate.
-- with a spacer, hollow roller and steel pillar type cage.
Application
Tapered roller bearings are widely used in automobiles, rolling mills, mining, metallurgy, plastics machinery and other industries.
Single row taper roller is the most be used of the taper roller bearing series. The small sizes Double row taper roller are used in the car wheel hub in the recently years. Four-row taper roller bearings were used in large cold, hot rolling mill, and other heavy machinery.
Double row tapered roller bearings are mainly used for gear boxes, lifting equipment, rolling mills and for mining machinery, such as tunnel boring machine.
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Why us
1.High speed, High Precision, Low Noise, Long Service Life
2.Wide Array of Applications
3.Large Inventories
4.Small order accept
5.Competitive Prices and High Quality
6.Various Brands
7.Require little maintenance
8. OEM is supported
9. Our company insists on the "quality first, credit first" business ideas and our product specification is well-founded. We have a good reputation in the international market by our perfect service and sufficient supply.
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