I nostri prodotti utilizzati nell'industria automobilistica e dei camion includono principalmente: cuscinetti ruota, kit cuscinetti ruota, cuscinetti mozzi ruota, cuscinetti alternatori, cuscinetti tenditori, cuscinetti frizione e cuscinetti cambio ecc.
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VAFEM (Shang Hai) Bearing Technology Co.,Ltd
Double Row TNA Series
  • Double Row TNA Series

Double Row TNA Series

Double row tapered roller bearing TNA bearings are non-adjustable, double-row bearings that are supplied with built-in clearance.This results in a specifified mounting setting range satisfactory for specifific applications. They are similar to type TDO, but the  inner-ring front faces are extended so that they abut, which eliminates the need for the  inner-ring spacer of a TDO bearing.They can be used at either fixed positions or allowed to float in the housing bore to compensate for shaft expansion.


For desired fifitting practice and resultant mounted setting  range information, contact your VAFEM engineer. If a closer control of mounted setting range is required, type TDO bearing assembly is recommended.

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SelezionareInchiestaBearing Dimensions(mm/in.)Load Ratings(N/lbf)Numero parte:Bearing Dimensions(mm/in.)Bearing Weight(kg/lbs.)
dDTeamDynamic(1) Factors(2)Dynamic(3)Factors(2)InnerOuterShaftHousingPin(mm/in.)
C1(2)eY1Y2C90Ca90C90(2)KMax. Shaft Fillet RadiusBacking Shoulder Dia.Max. Housing Fillet RadiusBacking Shoulder Dia.KaKb
R(4)dbr(4)Da
260.35 422.275 173.038 128.588 2690000 0.33 2.03 3.02 401000 228000 698000 1.76 HM252349NA HM252311D 6.4 291 1.5 400 – – 86.59
10.25 16.625 6.8125 5.0625 605000 0.33 2.03 3.02 90100 51300 157000 1.76 HM252349NA HM252311D 0.25 11.46 0.06 15.73 – – 190.86
260.35 422.275 173.038 128.588 2610000 0.33 2.03 3.02 389000 221000 677000 1.76 HM252348NA HM252311D 6.4 291 1.5 400 – – 82.22
10.25 16.625 6.8125 5.0625 587000 0.33 2.03 3.02 87400 49700 152000 1.76 HM252348NA HM252311D 0.25 11.46 0.06 15.73 – – 181.24
260.35 431.724 173.038 128.588 2690000 0.33 2.03 3.02 401000 228000 698000 1.76 HM252349NA HM252315CD 6.4 291 1.5 398.3 28.58 11.91 92.94
10.25 16.997 6.8125 5.0625 605000 0.33 2.03 3.02 90100 51300 157000 1.76 HM252349NA HM252315CD 0.25 11.46 0.06 15.68 1.13 0.47 204.87
260.35 431.724 173.038 128.588 2610000 0.33 2.03 3.02 389000 221000 677000 1.76 HM252348NA HM252315CD 6.4 291 1.5 398.3 28.58 11.91 88.57
10.25 16.997 6.8125 5.0625 587000 0.33 2.03 3.02 87400 49700 152000 1.76 HM252348NA HM252315CD 0.25 11.46 0.06 15.68 1.13 0.47 195.25
300.787 438.048 161.925 123.825 1880000 0.33 2.04 3.03 280000 159000 487000 1.76 NA329116 329173CD 6.4 330 1.5 414.1 22.23 11.12 73.86
11.842 17.246 6.375 4.875 422000 0.33 2.04 3.03 62900 35700 110000 1.76 NA329116 329173CD 0.25 12.99 0.06 16.3 0.88 0.44 162.84
300.787 438.048 161.925 123.825 1920000 0.33 2.04 3.03 286000 162000 498000 1.76 NA329115 329173CD 6.4 330 1.5 414.1 22.23 11.12 75.86
11.842 17.246 6.375 4.875 432000 0.33 2.04 3.03 64300 36500 112000 1.76 NA329115 329173CD 0.25 12.99 0.06 16.3 0.88 0.44 167.26
300.787 444.5 161.925 161.925 1880000 0.33 2.04 3.03 280000 159000 487000 1.76 NA329116 329176D 6.4 330 1.5 422.5 – – 83.75
11.842 17.5 6.375 6.375 422000 0.33 2.04 3.03 62900 35700 110000 1.76 NA329116 329176D 0.25 12.99 0.06 16.64 – – 184.65
304.8 438.048 161.925 123.825 1880000 0.33 2.04 3.03 280000 159000 487000 1.76 NA329120 329173CD 6.4 333 1.5 414.1 22.23 11.12 71.44
12 17.246 6.375 4.875 422000 0.33 2.04 3.03 62900 35700 110000 1.76 NA329120 329173CD 0.25 13.11 0.06 16.3 0.88 0.44 157.49
304.8 438.048 161.925 123.825 1920000 0.33 2.04 3.03 286000 162000 498000 1.76 NA329121 329173CD 6.4 333 1.5 414.1 22.23 11.12 73.44
12 17.246 6.375 4.875 432000 0.33 2.04 3.03 64300 36500 112000 1.76 NA329121 329173CD 0.25 13.11 0.06 16.3 0.88 0.44 161.91
355.6 514.35 146.05 107.95 1830000 0.44 1.53 2.28 273000 206000 475000 1.33 NA231400 232026D 6.4 388 1.5 481.1 – – 91.1
14 20.25 5.75 4.25 412000 0.44 1.53 2.28 61300 46200 107000 1.33 NA231400 232026D 0.25 15.28 0.06 18.94 – – 200.84
406.4 574.675 157.162 106.362 1930000 0.5 1.36 2.02 287000 245000 500000 1.17 NA285160 285228D 6.4 441 1.5 534 – – 112.79
16 22.625 6.1875 4.1875 434000 0.5 1.36 2.02 64600 55000 112000 1.17 NA285160 285228D 0.25 17.36 0.06 21.02 – – 248.66
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Double Row TNA Series

In qualità di prezioso produttore e fornitore di cuscinetti personalizzati di alta qualità in Cina, VAFEM può garantire la qualità e la precisione dei prodotti attraverso una tecnologia di collaudo completa e attrezzature avanzate. Venite ad acquistare cuscinetti personalizzati al miglior prezzo e qualità da VAFEM. Contattaci per qualsiasi domanda!

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