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Bearings

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Tapered roller thrust bearings of this type must be able to accommodate extremely heavy axial loads and also permit angular movement of the screw spindle with respect to the support. The bearings are therefore generally of the full complement type and have extremely long rollers of large diameter. To be able to accommodate the alignment movements of the chock without detrimental effect on bearing performance, the bearings have one sphered washer.


Screw-down bearings
Designations old spec. boundary dimensions Basic load ratings Weight
mm KN kg
D D1 d1 T Cor Reference
TTSV150 4297/150 150 148 127 48 2320 5.47
TTSX150 4397/150 　 148 127 48 2320 6.3
TTSV175 4297/175 175 173 152 53 3200 7.92
TTSX175 4397/175 　 173 152 53 3200 9.6
TTSV205 4297/205 205 203 178 65 4550 14.3
TTSX205 4397/205 　 203 178 65 4550 16.2
TTSV265 4297/265 265 263 229 81 7700 33.6
TTSX265 4397/265 　 263 229 81 7700 35.8
TTSV320 4297/320 320 318 280 95 11460 42.5
TTSX320 4397/320 　 318 280 95 11460 58.9
TTSV380 4297/380 380 378 330 112 17100 96
TTSX380 4397/380 　 378 330 112 17100 116
TTSV410 4297/410 410 408 355 122 20000 125
TTSX410 4397/410 　 408 355 122 20000 155
TTSV440 4297/440 440 438 380 130 23000 170
TTSX440 4397/440 　 438 380 130 23000 191
TTSV495 4297/495 495 492 432 146 30000 205
TTSX495 4397/495 　 492 432 146 30000 229
TTSV525 4297/525 525 522 460 155 35800 203
TTSX525 4397/525 　 522 460 155 35800 248
TTSV555 4297/555 555 552 482 165 37500 300
TTSX555 4397/555 　 552 482 165 37500 345
TTSV580 4297/580 580 577 510 165 38500 240
TTSX580 4397/580 　 577 510 165 38500 305
TTSV610 4297/610 610 607 533 178 44500 400
TTSX610 4397/610 　 607 533 178 44500 443
TTSV640 4297/640 640 637 550 185 47500 410
TTSX640 4397/640 　 637 550 185 47500 440
TTSX710 4397/710 710 705 610 235 62500 697
TTSX750 4397/750 750 745 650 240 63400 740
TTSX800 4397/800 800 795 700 245