NATR yoke type track roller without inner bearing catalogue list
| Dimension | Load Ratings | Limiting speed | |||||||||
| SPEC.1 | d | D | B | C | r | d2 | C | C0 | Cw | Cow | n1greas≈ |
| NATR10 | 10 | 30 | 15 | 14 | 0.6 | 23 | 8100 | 9700 | 6800 | 8400 | 11000 |
| NATR12 | 12 | 32 | 15 | 14 | 0.6 | 25 | 8700 | 11000 | 6900 | 8800 | 9000 |
| NATR15 | 15 | 35 | 19 | 18 | 0.6 | 27 | 12900 | 19000 | 9700 | 14100 | 7000 |
| NATR17 | 17 | 40 | 21 | 20 | 1 | 32 | 14200 | 20400 | 10900 | 15500 | 6000 |
| NATR20 | 20 | 47 | 25 | 24 | 1 | 37 | 19500 | 32000 | 15500 | 25500 | 4900 |
| NATR25 | 25 | 52 | 25 | 24 | 1 | 42 | 21200 | 38000 | 15400 | 26500 | 3600 |
| NATR30 | 30 | 62 | 29 | 28 | 1 | 51 | 34000 | 59000 | 23600 | 38500 | 2600 |
| NATR35 | 35 | 72 | 29 | 28 | 1.1 | 58 | 37000 | 69000 | 25500 | 44500 | 2000 |
| NATR40 | 40 | 80 | 32 | 30 | 1.1 | 66 | 49000 | 94000 | 33000 | 59000 | 1700 |
| NATR45 | 45 | 85 | 32 | 30 | 1.1 | 72 | 51000 | 101000 | 32500 | 59000 | 1500 |
| NATR5 | 5 | 16 | 12 | 11 | 0.15 | 12 | 3800 | 3750 | 3150 | 3300 | 22000 |
| NATR50 | 50 | 90 | 32 | 30 | 1.1 | 76 | 52000 | 108000 | 32000 | 59000 | 1300 |
| NATR6 | 6 | 19 | 12 | 11 | 0.15 | 14 | 4250 | 4600 | 3500 | 3900 | 20000 |
| NATR8 | 8 | 24 | 15 | 14 | 0.3 | 19 | 6800 | 7700 | 5500 | 6400 | 15000 |
Findbearing.com supplies high quality NATR yoke type track roller without inner bearing.
Note:
– NATR series roller contains outer ring, inner ring, needle retainer assembly and the retaining rings which are pressed and fixed on both sides of the inner ring.
– This kind of yoke type track roller has huge lubricant storage space, thus do not need frequent regreasing.
– When the bearing outer ring(with outer cylindrical surface) is fitted with general bearings in the seat holes, basic stable load C and Co should be used while used as rolling wheel, rated load Cw and Cow should be used.
– The rotating speed will increase by about 30% if oil lubricant is used.
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