Advantages:
This roller are on the base of A 102 series,the PP sleeve(standard telescopicity is 3.6",also can be customized), have the function of shockproof and tear resistance.Polymer bearing components(can be made anti-static material)have low noisy operation,which combine precision bearing ball,plastic end cap and polymer housing in good looking,The plastic end cap have the function of dustproof and water slash proof.The weight of conveying subject can't exceed 50kg.
Disadvantages:
Cause the material is polymer,not applicable in high temperature environment.
| Material of tube | Tube diameter and wall thickness | WT | D1 | D2 |
| Galvanized steel tube + plastic tapper cover | Φ 50*1.5 | 250 | Φ 52.9 | Φ 68.6 |
| 300 | Φ 56 | Φ 74.9 | ||
| 350 | Φ 52.9 | Φ 74.9 | ||
| 400 | Φ 56 | Φ 81.1 | ||
| 450 | Φ 52.9 | Φ 81.1 | ||
| 500 | Φ 56 | Φ 87.4 | ||
| 550 | Φ 52.9 | Φ 87.4 | ||
| 600 | Φ 56 | Φ 93.7 | ||
| 650 | Φ 52.9 | Φ 93.7 | ||
| 700 | Φ 56 | Φ 100 | ||
| 750 | Φ 52.9 | Φ 100 | ||
| 800 | Φ 56 | Φ 106.3 | ||
| 850 | Φ 52.9 | Φ 106.3 |
| Roller diameter(D) | Diameter of axle(d) | ||
| Φ 50 | Φ 12/15 | E=W+9 | L=W+10 |
| Φ12(M8*15) Φ15(M12*20) | |||
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