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    Yoke type roller bearing track rollers are ready-to-fit needle or cylindrical roller bearings of single or double row design.Yoke type track rollers are complete units consisting of an outer ring,a needle roller and cage assembly or a full complement needle or cylindrical roller set, with or without an inner ring.Yoke type roller bearing track rollers are available with or without an inner ring. They are produced with or without axial guidance of the outer ring.
    Yoke Type Track Rollers: NNTR
    Part Number Basic size(mm) other size(mm) Effective dynamic load rating as track roller (radial)（KN） Permissible dynamic radial load（KN） Fatigue limit load Speed (with continuous operation and grease lubrication)(1/min)
    d D B C D1 d2 d3 R r1min rmin Crw C0rw Fr per F0r per Curw （KN） nD G
    NNTR50X130X65-2ZL 50 130 65 63 80 63 3 10000 2 3 188 265 265 265 37 1100
    NNTR55X140X70-2ZL 55 140 70 68 91 73 4 10000 2 3 218 315 280 315 44.5 850
    NNTR60X150X75-2ZL 60 150 75 73 97 78 4 10000 2 3 245 365 330 365 53 800
    NNTR65X160X75-2ZL 65 160 75 73 103 82 5 10000 2 3 265 395 350 395 56 700
    NNTR70X180X85-2ZL 70 180 85 83 115 92 5 10000 2 3 340 510 465 510 75 600
    NNTR80X200X90-2ZL 80 200 90 88 127 102 5 10000 2 3 410 610 550 610 87 500
    NNTR90X220X100-2ZL 90 220 100 98 146 119 5 10000 2.5 4 475 750 600 750 104 400
    NNTR100X240X105-2ZL 100 240 105 103 160 132 6 10000 2.5 4 530 870 710 870 118 340
    NNTR100X250X106-2ZL 100 250 106 103 160 137 6 10000 2.5 4 530 870 710 870 118 340
    NNTR110X260X115-2ZL 110 260 115 113 174 143 6 10000 2,5 4 640 1050 820 1050 143 300
    NNTR120X290X135-2ZL 120 290 135 133 191 155 8 15000 3 4 850 1400 1110 1400 187 260
    NNTR130X310X146-2ZL 130 310 146 144 204 165 8 15000 3 5 980 1630 1280 1630 216 240
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