Carrying Idlers 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; true running ≤ 0.2 mm/m (average of the total delivery)
Bearing housings forged from C15 acc. to EN 10267-2 or S235JR acc. to EN 10025-2
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 bearings 6306 – 6312
Bearings ISO tolerance class 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 or brass cage, lubrication designed to customer specifications
Self-aligning roller bearings 21312 - 22312
Self-aligning roller bearings ISO tolerance class 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 steel sheet dust cover and water protection cap
Sound-optimized through a vibration-insolating ring
Balance quality ≤ G14 acc. to ISO 1940