Impact Rollers Premium
Characteristics:
Idler tube machine-turned, surface roughness Ra=12.5 μm, made of longitudinal seam-welded steel tubes acc. to EN 10305-3 with restricted tolerances (Küpper Standard), S235JR acc. to EN 10025-2
Bearing housings forged from C15 acc. to EN 10267-2 or S235JR acc. to EN 10025-2
Bearing housings with seat IT7 acc. to EN ISO 286-1
Axles made of round bar steel acc. to EN 10083-2 or bending-resistant hollow axle, precision tube with welded shaft extensions; seat IT6 acc. to EN ISO 286-1
Deep-groove ball bearings AKT, FAG, or SKF acc. to DIN 625-1 2Z, plastic cage, greased for life; lubrication designed to customer specifications
Deep-groove ball bearing sizes 6310 – 6318
Deep-groove ball bearings – ISO tolerance class 5 (P5) acc. to DIN 620-2
Radial internal clearance of the deep-groove ball bearings C4H acc. to DIN 620-4
Self-aligning roller bearings AKT, FAG, or SKF acc. to DIN 635-1, with steel sheet cage or brass cage, greased for life; lubrication designed to customer specifications; bearings sealed
Self-aligning roller bearings sizes 21312 - 22318
Self-aligning roller bearings – ISO tolerance class 0 (P0) acc. to DIN 620-2
Radial internal clearance of the self-aligning roller bearings C3 acc. to DIN 620-4
Additional inner sealing made of high-quality materials
Patented QLR Hybrid Sealing, greased for life, especially effective against the intrusion of water and dust
Additional protection against extreme conditions by use of a solid protection cover
True running ≤ 0.2 mm/m (average of the total delivery)