Search Results for 'concave roller'

Ingenious forming technology: Counter-roller-press forming process, precise shape forming, and smooth surface without convex and concave Optimal forming construction: Maneuver-hydraulic unit control, automatic arc forming, no mould needed, steady.....

Spherical roller bearings are double row, self-retaining units comprising solid outer rings with a concave raceway, solid inner rings and barrel rollers with cages. The inner rings with cylindrical or tapered bores. The symmetrical barrel rollers.....

Detailed Product Description Main Features: 1) Large rate of starting hole, adopting concave＆protruding hole to strengthen the intensity of roller. The area of starting of 1/ 4 roller reach 0.2m*m, the rate of starting hole reach 34%......