Impact rollers Premium

Impact rollers of the quality class Premium - the impact rollers for highest loads and particularly high requirements:
 

• Roller tube turned over (surface quality Ra=12.5 μm), made of longitudinally welded steel tube acc. to EN 10305-3 with restricted tolerances (Küpper standard),
• Material of the roller tube: steel S235JR acc. to EN 10025-2
• Forged bearing housings made of steel C15 acc. to EN 10267-2 or S235JR acc. to EN 10025-2
• Fit of the bearing seat in the bearing housing: IT7 acc. to EN ISO 286-1
• Shaft made from solid material acc. to EN 1 0083-2 or bending resistant hollow shaft made from a precision tube with welded-in shaft ends
• Fit of the bearing seat on the shaft: IT6 acc. to EN ISO 286-1
   
• Deep groove ball bearings AKT acc. to DIN 625-1, 2Z shields, plastic cage, lubricated for life, greasing designed for specific applications
• Deep groove ball bearings 6310 - 6318
• Deep groove ball bearings ISO tolerance class 5 (P5) acc. to DIN 620-2
• Radial internal clearance for deep groove ball bearings C4H acc. to DIN 620-4
   
• Spherical roller bearingss AKT to DIN 635-1, with cage made of steel or brass, lubricated for life, greasing designed for specific applications, bearing sealed
• Spherical roller bearings 21312 - 22318
• Spherical roller bearings ISO tolerance class 0 (P0) acc. to DIN 620-2
• Radial internal clearance for spherical roller bearings C3 acc. to DIN 620-4
   
• Additional inner seal made from high-quality material
• QLR hybrid seal: patented, lubricated for life, particularly effective when exposed to splash water and dust
• Additional seal through the use of the weather shield or dust cover, rain protection cap and roller protector
• Concentricity ≤ 0.2 mm/m (average value of the total delivery)